The 2020 Ram 1500 has 127 electrical switch & relay parts with verified fitment on this page — 31 part types and 17 brands, covering all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8). Each part includes a manufacturer part number and application notes.
The switch and relay system on the 2020 Ram 1500 covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Power Window Switch (15 parts), Door Lock Switch (12 parts) and Oil Pressure Sender / Switch (12 parts). The other 28 part types cover the remaining 88 parts.
The 2020 Ram 1500 was sold with 3 engines. 115 parts fit every engine; the other 12 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2020 Ram 1500 electrical switch & relay parts are MOPAR (50 parts), WELLS (23 parts) and STANDARD MOTOR PRODUCTS (19 parts), plus 14 more brands. Quality grades include Standard Replacement and Economy.
20 parts on this 2020 Ram 1500 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including UAC SW10008C (A/C Refrigerant Pressure Switch) and MOPAR 56046826AE (Door Lock Switch). Click any part number to see every vehicle that part fits.
4WD Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2020 1500 engines | 68142281AE | 🇺🇸 US 🇨🇦 CA | Fits Electric Shift-On-The-Fly Part-Time Transfer CaseExc. Electronic Shift | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68142277AE | 🇺🇸 US 🇨🇦 CA | Fits Elec Shift On Demand Transfer CaseExc. Electronic Shift | View on Amazon |
This table covers the 4WD 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 4WD Switch parts for the 2020 Ram 1500 come from MOPAR. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
Listed part numbers: MOPAR 68142281AE and MOPAR 68142277AE.
A/C Compressor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 1500 engines | 933332581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5-Pin ConnectorColor: Black | View on Amazon |
This table covers the relays that control the A/C Compressor 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.
This group shows a single part: HELLA 933332581.
A/C Pressure Safety Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 2020 1500 engines | V33730052 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Big Horn or Laramie or Laramie Longhorn or Limited or Lone Star or Rebel or Tradesman | 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 2020 Ram 1500 — VEMO V33730052.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC Popular Fits: all 2020 1500 engines | SW10008C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Transducer | View on Amazon |
| DORMAN Fits: all 2020 1500 engines | 904620 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FACET Fits: all 2020 1500 engines | 250074 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FOUR SEASONS Fits: all 2020 1500 engines | 37368 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S15798 | 🇺🇸 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.
5 A/C Refrigerant Pressure Switch parts for the 2020 Ram 1500 come from 5 brands — UAC, DORMAN, FACET and 2 other brands. The "Popular" part is UAC SW10008C. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
This group includes UAC SW10008C, DORMAN 904620 and FACET 250074 and the remaining parts above.
A/C System Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC Fits: all 2020 1500 engines | RE1008C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the relays that control the A/C System 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.
This group shows a single part: UAC RE1008C.
Adjustable Pedal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2020 1500 engines | 6EM25TX7AB | 🇺🇸 US 🇨🇦 CA | Fits Power Adjustable Pedals with MemorySedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 6LM55TX7AC | 🇺🇸 US 🇨🇦 CA | Fits Power Adjustable PedalsSedan/Quad Cab Short Wheelbase | View on Amazon |
This table covers the Adjustable Pedal 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 Adjustable Pedal Switch parts for the 2020 Ram 1500 come from MOPAR. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
Listed part numbers: MOPAR 6EM25TX7AB and MOPAR 6LM55TX7AC.
Brake Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2020 1500 engines | 920626 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: all 2020 1500 engines | 1S17828 | 🇺🇸 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.
2 Brake Light Switch parts for the 2020 Ram 1500 come from 2 brands — DORMAN and WELLS. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
This group includes DORMAN 920626 and WELLS 1S17828.
Cruise Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | CCA1384 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
One part is listed for the 2020 Ram 1500 — STANDARD MOTOR PRODUCTS CCA1384.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2020 1500 engines | 640046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | CSP357 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Heated Steering Wheelwith Column Mounted | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S11313 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
3 Dimmer Switch parts are listed for the 2020 Ram 1500, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2020 1500.
This group includes ROSTRA 640046, STANDARD MOTOR PRODUCTS CSP357 and WELLS 1S11313.
Door Lock Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: all 2020 1500 engines | 56046826AE | 🇺🇸 US 🇨🇦 CA | Fits FrontPower Locks, Power Front Windows, 1-Touch,Up & Down, Power-Folding Mirrors | View on Amazon |
| MOPAR Popular Fits: all 2020 1500 engines | 68262252AC | 🇺🇸 US 🇨🇦 CA | Fits FrontPower Front Windows, 1-Touch,Up & Down, Power-Folding Mirrors | View on Amazon |
| MOPAR Popular Fits: all 2020 1500 engines | 56046823AE | 🇺🇸 US 🇨🇦 CA | Fits FrontPower Locks, Power Front Windows, 1-Touch, up & Down | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68148892AB | 🇺🇸 US 🇨🇦 CA | Fits FrontPower Locks, Power Windows, Front 1-Touch Down | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68275823AC | 🇺🇸 US 🇨🇦 CA | Fits FrontPower Locks, Power Front Windows, 1-Touch, up & Down | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68320751AA | 🇺🇸 US 🇨🇦 CA | Fits FrontSedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68148893AB | 🇺🇸 US 🇨🇦 CA | Fits FrontPower Locks, Power Windows, Front 1-Touch Down | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68262253AC | 🇺🇸 US 🇨🇦 CA | Fits FrontPower Front Windows, 1-Touch Up & Down | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S15515 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S15525 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftCrew Cab Pickup | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S14234 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftCrew Cab Pickup | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S14262 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftCrew Cab Pickup | View on Amazon |
This table covers the Door Lock 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.
12 Door Lock Switch parts for the 2020 Ram 1500 come from 2 brands — MOPAR and WELLS. The "Popular" part is MOPAR 56046826AE. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
Fog / Driving Lamp Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | RY1627 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the relays that control the Fog / Driving Lamp 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.
This group shows a single part: STANDARD MOTOR PRODUCTS RY1627.
Fuel Pump / Circuit Opening Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 1500 engines | 933332581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5-Pin ConnectorColor: Black | View on Amazon |
This table covers the relays that control the Fuel Pump / Circuit Opening 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.
This group shows a single part: HELLA 933332581.
Glove Box Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2020 1500 engines | 68312671AB | 🇺🇸 US 🇨🇦 CA | Fits Glove Box LampSedan/Quad Cab Short Wheelbase | View on Amazon |
| ROSTRA Fits: all 2020 1500 engines | 651381 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: all 2020 1500 engines | 1S2892 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Glove Box 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 Glove Box Lamp Switch parts are listed for the 2020 Ram 1500, from MOPAR, ROSTRA and WELLS. All of them fit every engine offered in the 2020 1500.
Part numbers include MOPAR 68312671AB, ROSTRA 651381 and WELLS 1S2892.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2020 1500 engines | HLS1774 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Fog Lightswith Automatic Headlights | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2020 1500 engines | HLS1772 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Except Rear Fog Lightswith Fog Lights | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68401933AB | 🇺🇸 US 🇨🇦 CA | Fits Automatic Headlamps, Overhead Ash Tray/Cupholder Lamp, Cargo LampExc. Front Fog Lamps | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68156061AD | 🇺🇸 US 🇨🇦 CA | Fits Front Fog Lamps | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68156065AC | 🇺🇸 US 🇨🇦 CA | Fits Front Fog Lamps | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68269910AA | 🇺🇸 US 🇨🇦 CA | Fits Automatic Headlamps, Cargo LampExc. Front Fog Lamps | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | HLS1773 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Rear Fog Lightwith 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.
7 Headlamp Switch parts are listed for the 2020 Ram 1500, from MOPAR and STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS HLS1774 carries the "Popular" badge. All of them fit every engine offered in the 2020 1500.
Listed part numbers: STANDARD MOTOR PRODUCTS HLS1774, STANDARD MOTOR PRODUCTS HLS1772 and MOPAR 68401933AB, plus the other parts above.
Hood Ajar Indicator Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2020 1500 engines | 68541273AA | 🇺🇸 US 🇨🇦 CA | Fits 48V Belt Starter GeneratorSedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 5026211AA | 🇺🇸 US 🇨🇦 CA | Fits 48V Belt Starter GeneratorSedan/Quad Cab Short Wheelbase | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | AW1094 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Alarm System | View on Amazon |
This table covers the Hood Ajar Indicator 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 Hood Ajar Indicator Switch parts for the 2020 Ram 1500 come from 2 brands — MOPAR and STANDARD MOTOR PRODUCTS. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
This group includes MOPAR 68541273AA, MOPAR 5026211AA and STANDARD MOTOR PRODUCTS AW1094.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 1500 engines | 933332581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5-Pin ConnectorColor: Black | 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.
One part is listed for the 2020 Ram 1500 — HELLA 933332581.
HVAC Control Switch / Panel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: all 2020 1500 engines | 68268190AA | 🇺🇸 US 🇨🇦 CA | Fits Air Conditioning, Exterior Mirrors with Heating Element | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68268191AA | 🇺🇸 US 🇨🇦 CA | Fits A/CExcept 8.4" Touchscreen Display or Exterior Mirrors with Heating Element | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 1UJ96DX9AK | 🇺🇸 US 🇨🇦 CA | Upper | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68340280AD | 🇺🇸 US 🇨🇦 CA | Lower | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68340281AD | 🇺🇸 US 🇨🇦 CA | Lower | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68340283AD | 🇺🇸 US 🇨🇦 CA | Lower | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68340284AD | 🇺🇸 US 🇨🇦 CA | Lower | View on Amazon |
This table covers the HVAC Control Switch panels.
MOPAR supplies the 7 HVAC Control Switch / Panel parts for the 2020 Ram 1500. MOPAR 68268190AA carries the "Popular" badge. All of them fit every engine offered in the 2020 1500.
Listed part numbers: MOPAR 68268190AA, MOPAR 68268191AA and MOPAR 1UJ96DX9AK, plus the other parts above.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: all 2020 1500 engines | 68271986AC | 🇺🇸 US 🇨🇦 CA | Fits Except Pushbutton StartRegular Cab, 6.5 Foot Bed | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68336255AC | 🇺🇸 US 🇨🇦 CA | PUSH BUTTON | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 6CK46DX9AC | 🇺🇸 US 🇨🇦 CA | PUSH BUTTON | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | US1292 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: all 2020 1500 engines | 1S16362 | 🇺🇸 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.
5 Ignition Starter Switch parts are listed for the 2020 Ram 1500, from MOPAR, STANDARD MOTOR PRODUCTS and WELLS. MOPAR 68271986AC carries the "Popular" badge. All of them fit every engine offered in the 2020 1500.
Listed part numbers: MOPAR 68271986AC, MOPAR 68336255AC and MOPAR 6CK46DX9AC, plus the other parts above.
Instrument Cluster Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: all 2020 1500 engines | 68309259AD | 🇺🇸 US 🇨🇦 CA | Fits Trailer Brake ControlSedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Popular Fits: all 2020 1500 engines | 68247636AA | 🇺🇸 US 🇨🇦 CA | Fits Electronic Stability Control, Heated Front Seats, Heated Steering Wheel, Ventilated Front Seats, Parksense Front/Rear Park Assist SystemExc. Parksense Rear Park Assist System | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68309262AD | 🇺🇸 US 🇨🇦 CA | Fits Parksense Front/Rear Park Assist with StopExc. Load Leveling and Height Control | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68247620AA | 🇺🇸 US 🇨🇦 CA | Fits Electronic Stability ControlExc. Parksense Rear Park Assist System or Parksense Front/Rear Park Assist System or Heated Front Seats or Heated Steering Wheel or Ventilated Front Seats | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68247621AA | 🇺🇸 US 🇨🇦 CA | Fits Electronic Stability Control, Parksense Rear Park Assist SystemExc. Parksense Front/Rear Park Assist System or Heated Front Seats or Heated Steering Wheel or Ventilated Front Seats | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68247625AA | 🇺🇸 US 🇨🇦 CA | Fits Electronic Stability Control, Heated Front Seats, Heated Steering WheelExc. Parksense Rear Park Assist System or Parksense Front/Rear Park Assist System or Ventilated Front Seats | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68247626AA | 🇺🇸 US 🇨🇦 CA | Fits Electronic Stability Control, Parksense Rear Park Assist System, Heated Front Seats, Heated Steering WheelExc. Parksense Front/Rear Park Assist System or Ventilated Front Seats | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68247629AA | 🇺🇸 US 🇨🇦 CA | Fits Electronic Stability Control, Heated Front Seats, Heated Steering Wheel, Ventilated Front SeatsExc. Parksense Rear Park Assist System or Parksense Front/Rear Park Assist System | View on Amazon |
This table covers the Instrument Cluster 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.
8 Instrument Cluster Switch parts for the 2020 Ram 1500 come from MOPAR. The "Popular" part is MOPAR 68309259AD. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
Part numbers include MOPAR 68309259AD, MOPAR 68247636AA and MOPAR 68309262AD, among others listed above.
Micro Plug Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2020 1500 engines | 68100734AA | 🇺🇸 US 🇨🇦 CA | MICRO RELAY | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 5269988AA | 🇺🇸 US 🇨🇦 CA | MICRO RELAY | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68383602AA | 🇺🇸 US 🇨🇦 CA | MICRO RELAY | View on Amazon |
This table covers the relays that control the Micro Plug 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.
3 Micro Plug Relay parts for the 2020 Ram 1500 come from MOPAR. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
Listed part numbers: MOPAR 68100734AA, MOPAR 5269988AA and MOPAR 68383602AA.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular Fits: all 2020 1500 engines | 0986AH0113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Purpose Relay | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1R3550 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Stamping # 104160102 or # 13748475 | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1R2407 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Hardware Included: No | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1R2491 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Stamping # 4671886AA | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1R3846 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Stamping # 13748474 | 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.
5 Multi-Function Relay parts for the 2020 Ram 1500 come from 2 brands — WELLS and BOSCH. The "Popular" part is BOSCH 0986AH0113. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
This group includes BOSCH 0986AH0113, WELLS 1R3550 and WELLS 1R2407 and the remaining parts above.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.6L V6, 5.7L V8 | 987010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HOLSTEIN Fits: 3.6L V6, 5.7L V8 | 2OPS0409 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER Fits: 3.0L V6 DIESEL Turbocharged | 1S12822 | 🇺🇸 US 🇨🇦 CA | Oil Pressure Sender or Switch | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Popular Fits: 3.0L V6 DIESEL Turbocharged | 501550 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.0L V6 DIESEL Turbocharged | PS769 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6, 5.7L V8 | PS1000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Type: Pins | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged | 68499061AA | 🇺🇸 US 🇨🇦 CA | Fits ENGINE GEN 350 State Emissions | View on Amazon |
| MOPAR Fits: 3.6L V6, 5.7L V8 | 68334877AA | 🇺🇸 US 🇨🇦 CA | Fits 24VEngine Oil Cooler | View on Amazon |
| WELLS Fits: 3.0L V6 DIESEL Turbocharged | 1S12822 | 🇺🇸 US 🇨🇦 CA | with 1 Terminal | View on Amazon |
| WELLS Fits: 3.0L V6 DIESEL Turbocharged | 1S16092 | 🇺🇸 US 🇨🇦 CA | with 4 Terminals | View on Amazon |
| WELLS Fits: 3.6L V6, 5.7L V8 | 1S16094 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 3.0L V6 DIESEL Turbocharged | 1816567 | 🇺🇸 US 🇨🇦 CA | 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 2020 Ram 1500 come from 8 brands — WELLS, STANDARD MOTOR PRODUCTS, MOPAR and 5 other brands. The "Popular" part is ROSTRA 501550.
The Economy section lists 3 options from DORMAN, HOLSTEIN and ULTRA-POWER — the catalog's value-priced group. DORMAN 987010 is listed in this group.
In the Standard Replacement grade, WELLS, STANDARD MOTOR PRODUCTS, MOPAR and 1 other brand supply 8 parts: built to original-equipment specification. A representative part number is ROSTRA 501550.
1 further part sits outside the graded sections, with the same engine-level match.
Parking Brake Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2020 1500 engines | 68313482AC | 🇺🇸 US 🇨🇦 CA | Brake SwitchElectric Park Brake | View on Amazon |
| VEMO Fits: all 2020 1500 engines | V33730152 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Big Horn or HFE Model or Laramie or Laramie Longhorn or Limited or Lone Star or Rebel or SLT Model or Tradesman | View on Amazon |
This table covers the Parking Brake 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 Parking Brake Switch parts for the 2020 Ram 1500 come from 2 brands — MOPAR and VEMO. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
Part numbers include MOPAR 68313482AC and VEMO V33730152.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2020 1500 engines | 901477 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left8 Way | View on Amazon |
| DORMAN Fits: all 2020 1500 engines | 920664 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left8 Way | 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.
DORMAN supplies both parts for the 2020 Ram 1500. All of them fit every engine offered in the 2020 1500.
Part numbers include DORMAN 901477 and DORMAN 920664.
Power Window Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: all 2020 1500 engines | 920542 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right3 Button | View on Amazon |
| DORMAN Popular Fits: all 2020 1500 engines | 901998 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Leftwithout Power Folding Mirrors | View on Amazon |
| DORMAN Fits: all 2020 1500 engines | 920507 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear Right | View on Amazon |
| DORMAN Fits: all 2020 1500 engines | 920502 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Leftwith Power Folding Mirrors | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular Fits: all 2020 1500 engines | 1S14262 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftCrew Cab Pickup | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 56046832AC | 🇺🇸 US 🇨🇦 CA | Fits Rear LeftPower Front Windows, 1-Touch Up and Down | View on Amazon |
| ROSTRA Fits: all 2020 1500 engines | 660306 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Leftwithout Power Folding Mirrors | View on Amazon |
| ROSTRA Fits: all 2020 1500 engines | 661072 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | DWS2064 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | DWS2266 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Bezel | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S14264 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S15515 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S15525 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftCrew Cab Pickup | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S14234 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftCrew Cab Pickup | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | DWS2340 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Attachment Method: Direct, Snap Fit | 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.
15 Power Window Switch parts for the 2020 Ram 1500 come from 5 brands — WELLS, DORMAN, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is DORMAN 920542. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
The Economy section: 4 options from DORMAN. DORMAN 920542 is listed in this group.
Standard Replacement: 10 parts, from WELLS, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. A representative part number is WELLS 1S14262.
1 further part sits outside the graded sections, with the same engine-level match.
Rear Window Wiper Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: all 2020 1500 engines | 2RSW0031 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | RY429T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-SeriesFunctions: Relay | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | RY429 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Amperage Rating: 25 A | View on Amazon |
This table covers the relays that control the Rear Window Wiper 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.
3 Rear Window Wiper Relay parts are listed for the 2020 Ram 1500, from STANDARD MOTOR PRODUCTS and HOLSTEIN. All of them fit every engine offered in the 2020 1500.
This group includes HOLSTEIN 2RSW0031, STANDARD MOTOR PRODUCTS RY429T and STANDARD MOTOR PRODUCTS RY429.
Seat Lumbar Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: all 2020 1500 engines | 68157564AA | 🇺🇸 US 🇨🇦 CA | Crew Cab5'7" Box | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 56046232AB | 🇺🇸 US 🇨🇦 CA | HighlineLowline | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 56046232AC | 🇺🇸 US 🇨🇦 CA | Fits Power 4-Way Driver Lumbar AdjustSedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68269185AA | 🇺🇸 US 🇨🇦 CA | Driver SideCrew Cab | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | PLW11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left and Right | View on Amazon |
This table covers the Seat Lumbar 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.
5 Seat Lumbar Switch parts are listed for the 2020 Ram 1500, from MOPAR and STANDARD MOTOR PRODUCTS. MOPAR 68157564AA carries the "Popular" badge. All of them fit every engine offered in the 2020 1500.
Part numbers include MOPAR 68157564AA, MOPAR 56046232AB and MOPAR 56046232AC, among others listed above.
Starter Motor Control Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 1500 engines | 933332581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5-Pin ConnectorColor: Black | View on Amazon |
This table covers the relays that control the Starter Motor Control 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.
One part is listed for the 2020 Ram 1500 — HELLA 933332581.
Trailer Brake Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: all 2020 1500 engines | 82215040AC | 🇺🇸 US 🇨🇦 CA | with RER | View on Amazon |
| SHEE-MAR Popular Fits: all 2020 1500 engines | SM1902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Trailer Tow RelayNOT for Add-On | View on Amazon |
| AUTOTECNICA Fits: all 2020 1500 engines | RM0222120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Body code DT | View on Amazon |
| DORMAN Fits: all 2020 1500 engines | 601233 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Fit ClassicModule and Switch | View on Amazon |
| MOPAR Fits: all 2020 1500 engines | 68277136AF | 🇺🇸 US 🇨🇦 CA | Trailer Tow Module | View on Amazon |
| SKP Fits: all 2020 1500 engines | SKS390 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Switch Only | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | TBM007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Trailer Brake 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 Trailer Brake Switch parts are listed for the 2020 Ram 1500, from MOPAR, SHEE-MAR, AUTOTECNICA and 3 other brands. MOPAR 82215040AC carries the "Popular" badge. All of them fit every engine offered in the 2020 1500.
This group includes MOPAR 82215040AC, SHEE-MAR SM1902 and AUTOTECNICA RM0222120 and the remaining parts above.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2020 1500 engines | 640046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | CSP357 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Column Mountedwithout Heated Steering Wheel | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S11313 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
3 Turn Signal Switch parts for the 2020 Ram 1500 come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).
Listed part numbers: ROSTRA 640046, STANDARD MOTOR PRODUCTS CSP357 and WELLS 1S11313.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2020 1500 engines | 640046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2020 1500 engines | CSP357 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Column Mountedwithout Heated Steering Wheel | View on Amazon |
| WELLS Fits: all 2020 1500 engines | 1S11313 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
3 Wiper / Washer Switch parts are listed for the 2020 Ram 1500, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2020 1500.
Part numbers include ROSTRA 640046, STANDARD MOTOR PRODUCTS CSP357 and WELLS 1S11313.
Buying Electrical Switch & Relay Parts for a 2020 Ram 1500
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: Power Window Switch and Door Lock Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2020 Ram 1500?
Our catalog currently lists 127 electrical switch & relay parts for the 2020 Ram 1500 across 31 subcategories and 17 brands, covering all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8). Each part is matched to the engine(s) it fits.
Do electrical switch & relay parts differ between 2020 Ram 1500 engines?
Some do. 115 parts fit every engine; the other 12 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 2020 Ram 1500?
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 2020 Ram 1500 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 2020 Ram 1500?
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 2020 Ram 1500
Electrical Switch & Relay Parts for Other Ram 1500 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.