The 2016 Ford Fiesta has 141 electrical switch & relay parts with verified fitment on this page — 27 part types and 18 brands, covering all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged). Each part includes a manufacturer part number and application notes.
The switch and relay system on the 2016 Ford Fiesta covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Ignition Starter Switch (14 parts), Headlamp Switch (13 parts) and Brake Light Switch (12 parts). The other 24 part types cover the remaining 102 parts.
The 2016 Ford Fiesta was sold with 3 engines. 103 parts fit every engine; the other 38 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2016 Ford Fiesta electrical switch & relay parts are WELLS (37 parts), STANDARD MOTOR PRODUCTS (36 parts) and MOTORCRAFT (29 parts), plus 15 more brands. Quality grades include Standard Replacement and Economy.
31 parts on this 2016 Ford Fiesta page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FOUR SEASONS 37340 (A/C Refrigerant Pressure Switch) and STANDARD MOTOR PRODUCTS RY302T (Accessory Power Relay). Click any part number to see every vehicle that part fits.
A/C Pressure Safety Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 2016 Fiesta engines | V25730143 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MFI | View on Amazon |
This table covers the A/C Pressure Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2016 Ford Fiesta — VEMO V25730143.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular Fits: all 2016 Fiesta engines | 37340 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | YH2034 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Cut Off SwitchM10 X 1.25 - 6H Thread | View on Amazon |
| DORMAN Fits: all 2016 Fiesta engines | 904612 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GPD Fits: all 2016 Fiesta engines | 1711937 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transducer | View on Amazon |
| UAC Fits: all 2016 Fiesta engines | SW10101C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Transducer | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S16870 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CUT-OFF | View on Amazon |
This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
6 A/C Refrigerant Pressure Switch parts for the 2016 Ford Fiesta come from 6 brands — FOUR SEASONS, MOTORCRAFT, DORMAN and 3 other brands. The "Popular" part is FOUR SEASONS 37340. Every part fits all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged).
Part numbers include FOUR SEASONS 37340, MOTORCRAFT YH2034 and DORMAN 904612, among others listed above.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Fiesta engines | RY302T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-SeriesFunctions: Relay | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Fiesta engines | RY302 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Functions: Multi-Function RelayTerminal Quantity: 4 | View on Amazon |
| HELLA Fits: all 2016 Fiesta engines | 933332541 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4-Pin ConnectorPlug: B | View on Amazon |
| ROSTRA Fits: all 2016 Fiesta engines | 600313 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 20 Amps | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | RY961 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Functions: Multi-Function Relay | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | RY1740 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 70 Ampswith 5 Blade Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | RY1743 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: FlatFunctions: Relay | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | RY1744 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 70 Ampswith 4 Blade Terminals | View on Amazon |
This table covers the relays that control the Accessory Power circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
8 Accessory Power Relay parts are listed for the 2016 Ford Fiesta, from STANDARD MOTOR PRODUCTS, HELLA and ROSTRA. STANDARD MOTOR PRODUCTS RY302T carries the "Popular" badge. All of them fit every engine offered in the 2016 Fiesta.
Part numbers include STANDARD MOTOR PRODUCTS RY302T, STANDARD MOTOR PRODUCTS RY302 and HELLA 933332541, among others listed above.
Back Up / Reverse Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 1.6L L4, 999cc L3 Turbocharged | SW6812 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 speed trans. | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 1.6L L4 | LS419 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 speed trans. | View on Amazon |
| ROSTRA Fits: 1.6L L4, 1.6L L4 Turbocharged | 670504 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 6 speed trans. | View on Amazon |
| ROSTRA Fits: 1.6L L4, 999cc L3 Turbocharged | 670113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 speed trans. | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | LS418 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: 1.6L L4, 999cc L3 Turbocharged | 1S12729 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 speed Trans | View on Amazon |
| WELLS Fits: 1.6L L4, 1.6L L4 Turbocharged | 1S12723 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 6 speed Trans | View on Amazon |
This table covers the Back Up / Reverse Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
7 Back Up / Reverse Lamp Switch parts for the 2016 Ford Fiesta come from 4 brands — STANDARD MOTOR PRODUCTS, ROSTRA, WELLS and 1 other brand. The "Popular" part is MOTORCRAFT SW6812.
Part numbers include MOTORCRAFT SW6812, STANDARD MOTOR PRODUCTS LS419 and ROSTRA 670504, among others listed above.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BWD/NIEHOFF Fits: 1.6L L4, 999cc L3 Turbocharged | SL2068 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 1.6L L4, 999cc L3 Turbocharged | SW6545 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: 1.6L L4, 999cc L3 Turbocharged | SLS328 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Finish: Plastic, Metal | View on Amazon |
| ROSTRA Fits: 1.6L L4, 999cc L3 Turbocharged | 620041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VNE Fits: 1.6L L4, 999cc L3 Turbocharged | 4015007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MFIStop Light Switch | View on Amazon |
| WELLS Fits: 1.6L L4, 999cc L3 Turbocharged | 1S10918 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Hardware Included: No | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: 1.6L L4 Turbocharged | SW6545 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: 1.6L L4 Turbocharged | SLS328 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Finish: Plastic, Metal | View on Amazon |
| AUTOTECNICA Fits: all 2016 Fiesta engines | FD1317169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ROSTRA Fits: 1.6L L4 Turbocharged | 620041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VNE Fits: 1.6L L4 Turbocharged | 4015007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Stop Light Switch | View on Amazon |
| WELLS Fits: 1.6L L4 Turbocharged | 1S10918 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Hardware Included: No | View on Amazon |
This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
12 Brake Light Switch parts for the 2016 Ford Fiesta come from 7 brands — MOTORCRAFT, STANDARD MOTOR PRODUCTS, ROSTRA and 4 other brands. The "Popular" part is MOTORCRAFT SW6545. 1 part fits every engine; the other 11 are engine-specific.
The Economy section lists 1 option from BWD/NIEHOFF — the catalog's value-priced group. BWD/NIEHOFF SL2068 is listed in this group.
In the Standard Replacement grade, MOTORCRAFT, STANDARD MOTOR PRODUCTS, ROSTRA and 2 other brands supply 5 parts: built to original-equipment specification. A representative part number is MOTORCRAFT SW6545.
6 further parts sit outside the graded sections, with the same engine-level match.
Clutch Pedal Position / Starter Safety Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW6490 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Clutch Pedal Position | View on Amazon |
| MOTORCRAFT Fits: 1.6L L4, 999cc L3 Turbocharged | SW6359 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 speed trans.Clutch Pedal Interlock | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | NS479 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: all 2016 Fiesta engines | 1S8944 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Clutch Pedal Position / Starter Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
4 Clutch Pedal Position / Starter Safety Switch parts are listed for the 2016 Ford Fiesta, from MOTORCRAFT, STANDARD MOTOR PRODUCTS and WELLS. 3 parts fit every engine; the other 1 is engine-specific.
Listed part numbers: MOTORCRAFT SW6490, MOTORCRAFT SW6359 and STANDARD MOTOR PRODUCTS NS479, plus the other parts above.
Cruise Control Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | CCA1395 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Cruise Control Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: STANDARD MOTOR PRODUCTS CCA1395.
Cruise Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW7020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Inhibitor | View on Amazon |
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW7015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left | View on Amazon |
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW7019 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right | View on Amazon |
This table covers the Cruise Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
MOTORCRAFT supplies the 3 Cruise Control Switch parts for the 2016 Ford Fiesta. All of them fit every engine offered in the 2016 Fiesta.
Listed part numbers: MOTORCRAFT SW7020, MOTORCRAFT SW7015 and MOTORCRAFT SW7019.
Deck Lid / Liftgate Ajar Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2016 Fiesta engines | 650089 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: all 2016 Fiesta engines | 1S3680 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Deck Lid / Liftgate Ajar switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Deck Lid / Liftgate Ajar Switch parts for the 2016 Ford Fiesta come from 2 brands — ROSTRA and WELLS. Every part fits all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged).
This group includes ROSTRA 650089 and WELLS 1S3680.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Popular Fits: all 2016 Fiesta engines | 640322 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with TRIP COMPUTER | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Fiesta engines | CBS2184 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without SYNC Media Interfacewith Trip Odometer Switch | View on Amazon |
| ROSTRA Fits: all 2016 Fiesta engines | 640422 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without TRIP COMPUTER | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | CBS2144 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without SYNC Media Interfacewithout Trip Odometer Switch | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11269 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Tripminder | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11270 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Tripminder | View on Amazon |
This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
6 Dimmer Switch parts are listed for the 2016 Ford Fiesta, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. ROSTRA 640322 carries the "Popular" badge. All of them fit every engine offered in the 2016 Fiesta.
This group includes ROSTRA 640322, STANDARD MOTOR PRODUCTS CBS2184 and ROSTRA 640422 and the remaining parts above.
Door Jamb Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW5855 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4 And 5 Door Sedan | View on Amazon |
This table covers the Door Jamb switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2016 Ford Fiesta — MOTORCRAFT SW5855.
Fog / Driving Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2016 Fiesta engines | 651331 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Fog Lightswithout Automatic Headlights | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S15128 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with automatic headlights | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S15129 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Automatic Headlights | View on Amazon |
This table covers the Fog / Driving Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
3 Fog / Driving Lamp Switch parts are listed for the 2016 Ford Fiesta, from WELLS and ROSTRA. All of them fit every engine offered in the 2016 Fiesta.
This group includes ROSTRA 651331, WELLS 1S15128 and WELLS 1S15129.
Headlamp Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 Fiesta engines | 920655 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Auto Headlightswith Fog Lights | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW7025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Front Fog Lightswith Conventional Headlamp Control | View on Amazon |
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW7024 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Front Fog Lightswith Auto Headlamp Plus Wiper | View on Amazon |
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW6833 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blackwithout Front Fog Lamps | View on Amazon |
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW6645 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blackwithout Fog Lamps | View on Amazon |
| ROSTRA Fits: all 2016 Fiesta engines | 651331 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Fog Lightswithout Automatic Headlights | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | HLS1587 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Fog Lightswith Automatic Headlights | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | HLS1585 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Fog Lightswith Automatic Headlights | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | HLS1511 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Fog Lightswithout Automatic Headlights | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S15128 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Automatic Headlightswith Fog Lights | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S15129 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Fog Lightswithout Automatic Headlights | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11209 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Automatic Headlightswithout Fog Lights | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11206 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Automatic Headlightswithout Fog Lights | View on Amazon |
This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
13 Headlamp Switch parts are listed for the 2016 Ford Fiesta, from MOTORCRAFT, WELLS, STANDARD MOTOR PRODUCTS and 2 other brands. MOTORCRAFT SW7025 carries the "Popular" badge. All of them fit every engine offered in the 2016 Fiesta.
Economy: 1 part, from DORMAN. A representative part number is DORMAN 920655.
The Standard Replacement section: 12 options from MOTORCRAFT, WELLS, STANDARD MOTOR PRODUCTS and 1 other brand. MOTORCRAFT SW7025 is listed in this group.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Fiesta engines | RY612 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Bracket Included: NoTerminal Quantity: 5 | View on Amazon |
| WELLS Popular Fits: all 2016 Fiesta engines | 1R1066 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 5 Terminals | View on Amazon |
| ACDELCO Fits: all 2016 Fiesta engines | F1757 | 🇺🇸 US 🇨🇦 CA | GoldVoltage: 12 VDC | View on Amazon |
| HOLSTEIN Fits: all 2016 Fiesta engines | 2RSW1003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ROSTRA Fits: all 2016 Fiesta engines | 600005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Gender: MaleConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | RY612T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-SeriesConnector Shape: Rectangular | View on Amazon |
This table covers the relays that control the Horn circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
6 Horn Relay parts are listed for the 2016 Ford Fiesta, from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 2 other brands. STANDARD MOTOR PRODUCTS RY612 carries the "Popular" badge. All of them fit every engine offered in the 2016 Fiesta.
Part numbers include STANDARD MOTOR PRODUCTS RY612, WELLS 1R1066 and ACDELCO F1757, among others listed above.
HVAC Control Switch / Panel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Fiesta engines | CCM143 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Frontwith Manual Temperature Control | View on Amazon |
This table covers the HVAC Control Switch panels.
One part is listed for the 2016 Ford Fiesta — MOTORCRAFT CCM143.
Ignition Starter Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4, 999cc L3 Turbocharged | US431T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 1.6L L4, 999cc L3 Turbocharged | US431 | 🇺🇸 US 🇨🇦 CA | Automatic Dual Clutch trans. | View on Amazon |
| UNITED MOTOR PRODUCTS Popular Fits: 1.6L L4, 999cc L3 Turbocharged | SW705 | 🇺🇸 US 🇨🇦 CA | Automatic Dual Clutch trans.Alternate Design | View on Amazon |
| MOTORCRAFT Fits: 1.6L L4, 999cc L3 Turbocharged | SW7035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans.without Keyless Entry System | View on Amazon |
| MOTORCRAFT Fits: 1.6L L4, 999cc L3 Turbocharged | SW7034 | 🇺🇸 US 🇨🇦 CA | Automatic Dual Clutch trans.without Keyless Entry System | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4, 999cc L3 Turbocharged | US1289 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans. | View on Amazon |
| WELLS Fits: 1.6L L4, 999cc L3 Turbocharged | 1S13005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans.Located on Column | View on Amazon |
| WELLS Fits: 1.6L L4, 999cc L3 Turbocharged | 1S15365 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Push Button Switch | View on Amazon |
| WELLS Fits: 1.6L L4, 999cc L3 Turbocharged | 1S13001 | 🇺🇸 US 🇨🇦 CA | Automatic Dual Clutch trans.Located on Column | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 1.6L L4 Turbocharged | SW7035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Keyless Entry System | View on Amazon |
| ROSTRA Fits: 1.6L L4, 999cc L3 Turbocharged | 630396 | 🇺🇸 US 🇨🇦 CA | Automatic Dual Clutch trans.Located on Column | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4 Turbocharged | US1289 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: 1.6L L4 Turbocharged | 1S13005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located on Column | View on Amazon |
| WELLS Fits: 1.6L L4 Turbocharged | 1S15365 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Push Button Switch | View on Amazon |
This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
14 Ignition Starter Switch parts are listed for the 2016 Ford Fiesta, from WELLS, STANDARD MOTOR PRODUCTS, MOTORCRAFT and 2 other brands. STANDARD MOTOR PRODUCTS US431 carries the "Popular" badge.
Economy: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS US431T.
The Standard Replacement section: 8 options from WELLS, STANDARD MOTOR PRODUCTS, MOTORCRAFT and 1 other brand. STANDARD MOTOR PRODUCTS US431 is listed in this group.
5 ungrouped parts are not assigned to a grade, with the same engine-level match.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular Fits: all 2016 Fiesta engines | 0986AH0300 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Purpose Relay | View on Amazon |
| WELLS Popular Fits: all 2016 Fiesta engines | 1R2093 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Hardware Included: No | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1R2099 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 4 Terminal(s)40/70 Amps | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1R3610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 4 Terminal(s)30 Amps | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1R3393 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 4 Terminals40 Amp | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1R3394 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 4 Terminal(s)70 Amps | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1R3391 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 4 Terminal(s)20 Amps | View on Amazon |
This table covers the relays that control the Multi-Function circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
7 Multi-Function Relay parts for the 2016 Ford Fiesta come from 2 brands — WELLS and BOSCH. The "Popular" part is BOSCH 0986AH0300. Every part fits all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged).
Listed part numbers: BOSCH 0986AH0300, WELLS 1R2093 and WELLS 1R2099, plus the other parts above.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW6817 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | NS651 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: all 2016 Fiesta engines | 5S13394 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Quantity: 4Terminal Type: Blade | View on Amazon |
This table covers the Neutral Safety Switch / Range sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
3 Neutral Safety Switch / Range Sensor parts for the 2016 Ford Fiesta come from 3 brands — MOTORCRAFT, STANDARD MOTOR PRODUCTS and WELLS. Every part fits all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged).
This group includes MOTORCRAFT SW6817, STANDARD MOTOR PRODUCTS NS651 and WELLS 5S13394.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Fiesta engines | PS427T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| ULTRA-POWER Popular Fits: 1.6L L4, 999cc L3 Turbocharged | PS427 | 🇺🇸 US 🇨🇦 CA | Oil Pressure Sender or Switchwith Gauge | View on Amazon |
| HOLSTEIN Fits: all 2016 Fiesta engines | 2OPS0069 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | PS423T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2016 Fiesta engines | OPS303 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Light | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW6900 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Fiesta engines | PS423 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Square, Circle | View on Amazon |
| HELLA Fits: all 2016 Fiesta engines | 009600081 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1-Pin ConnectorColor: Green | View on Amazon |
| ROSTRA Fits: all 2016 Fiesta engines | 501548 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MFI | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | PS605 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Rectangular | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | PS427 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Oval, Rectangle | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11836 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MFI | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
12 Oil Pressure Sender / Switch parts for the 2016 Ford Fiesta come from 8 brands — STANDARD MOTOR PRODUCTS, ULTRA-POWER, HOLSTEIN and 5 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS PS427T. 11 parts fit every engine; the other 1 is engine-specific.
The Economy section: 5 options from STANDARD MOTOR PRODUCTS, ULTRA-POWER, HOLSTEIN and 1 other brand. STANDARD MOTOR PRODUCTS PS427T is listed in this group.
Standard Replacement: 7 parts, from STANDARD MOTOR PRODUCTS, MOTORCRAFT, HELLA and 2 other brands. A representative part number is MOTORCRAFT SW6900.
Outside Mirror Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 Fiesta engines | 920597 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
This table covers the Outside Mirror switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2016 Ford Fiesta — DORMAN 920597.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW7294 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Seat SwitchHeated | View on Amazon |
| MOTORCRAFT Fits: 1.6L L4, 999cc L3 Turbocharged | SW7296 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Seat SwitchHeated | View on Amazon |
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW7328 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Seat SwitchHeated | View on Amazon |
| MOTORCRAFT Fits: 1.6L L4 Turbocharged | SW7329 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Seat SwitchHeated | View on Amazon |
This table covers the Power Seat switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
MOTORCRAFT supplies the 4 Power Seat Switch parts for the 2016 Ford Fiesta. 2 parts fit every engine; the other 2 are engine-specific.
This group includes MOTORCRAFT SW7294, MOTORCRAFT SW7296 and MOTORCRAFT SW7328 and the remaining parts above.
Power Window Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 Fiesta engines | 920563 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front Right | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW7325 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear Right | View on Amazon |
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW7326 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftOne Touch up/Down | View on Amazon |
| ROSTRA Fits: all 2016 Fiesta engines | 660615 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear | View on Amazon |
| ROSTRA Fits: all 2016 Fiesta engines | 660522 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | DWS1908 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S13534 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S14149 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
8 Power Window Switch parts for the 2016 Ford Fiesta come from 5 brands — MOTORCRAFT, ROSTRA, WELLS and 2 other brands. The "Popular" part is MOTORCRAFT SW7325. Every part fits all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged).
The Economy section: 1 option from DORMAN. DORMAN 920563 is listed in this group.
Standard Replacement: 7 parts, from MOTORCRAFT, ROSTRA, WELLS and 1 other brand. A representative part number is MOTORCRAFT SW7325.
Part numbers include MOTORCRAFT SW7325, DORMAN 920563 and MOTORCRAFT SW7326, among others listed above.
Steering Wheel Audio Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 Fiesta engines | 1S16357 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Steering Wheel Audio Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: WELLS 1S16357.
Step / Courtesy Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Fiesta engines | SW7022 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Temperature Control Passenger Seat | View on Amazon |
This table covers the Step / Courtesy Light switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: MOTORCRAFT SW7022.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2016 Fiesta engines | 690295 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | DS2437 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color/Finish: Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | DS1502 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color/Finish: Black, White | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Trunk Lid / Tailgate Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
4 Trunk Lid / Tailgate Release Switch parts are listed for the 2016 Ford Fiesta, from STANDARD MOTOR PRODUCTS, ROSTRA and WELLS. All of them fit every engine offered in the 2016 Fiesta.
This group includes ROSTRA 690295, STANDARD MOTOR PRODUCTS DS2437 and STANDARD MOTOR PRODUCTS DS1502 and the remaining parts above.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Popular Fits: all 2016 Fiesta engines | 640322 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with TRIP COMPUTER | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 Fiesta engines | CBS2184 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without SYNC Media Interfacewith Trip Odometer Switch | View on Amazon |
| ROSTRA Fits: all 2016 Fiesta engines | 640422 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without TRIP COMPUTER | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | CBS2144 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without SYNC Media Interfacewithout Trip Odometer Switch | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11269 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Tripminder | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11270 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Tripminder | View on Amazon |
This table covers the combination / turn-signal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
6 Turn Signal Switch parts for the 2016 Ford Fiesta come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. The "Popular" part is ROSTRA 640322. Every part fits all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged).
Listed part numbers: ROSTRA 640322, STANDARD MOTOR PRODUCTS CBS2184 and ROSTRA 640422, plus the other parts above.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW6799 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 Doorwith Transmission Linked Rear Washer/Wiper | View on Amazon |
| MOTORCRAFT Popular Fits: all 2016 Fiesta engines | SW6800 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Rear Window Wiper/Washer | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.6L L4, 999cc L3 Turbocharged | WP488 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sedan | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 Fiesta engines | WP487 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Hatchback | View on Amazon |
| WELLS Fits: 1.6L L4, 999cc L3 Turbocharged | 1S11277 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sedan | View on Amazon |
| WELLS Fits: all 2016 Fiesta engines | 1S11276 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Hatchback | View on Amazon |
This table covers the Wiper / Washer switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
6 Wiper / Washer Switch parts are listed for the 2016 Ford Fiesta, from MOTORCRAFT, STANDARD MOTOR PRODUCTS and WELLS. MOTORCRAFT SW6799 carries the "Popular" badge. 4 parts fit every engine; the other 2 are engine-specific.
This group includes MOTORCRAFT SW6799, MOTORCRAFT SW6800 and STANDARD MOTOR PRODUCTS WP488 and the remaining parts above.
Buying Electrical Switch & Relay Parts for a 2016 Ford Fiesta
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Match the engine first. Some electrical switch & relay parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Starter Switch and Headlamp Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2016 Ford Fiesta?
Our catalog currently lists 141 electrical switch & relay parts for the 2016 Ford Fiesta across 27 subcategories and 18 brands, covering all 3 engine options (1.6L L4, 1.6L L4 Turbocharged and 999cc L3 Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical switch & relay parts differ between 2016 Ford Fiesta engines?
Some do. 103 parts fit every engine; the other 38 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical switch & relay problems on a 2016 Ford Fiesta?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2016 Ford Fiesta was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2016 Ford Fiesta?
First match the engine — each row shows which engine(s) the part fits. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2016 Ford Fiesta
Electrical Switch & Relay Parts for Other Ford Fiesta Years
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