This page lists 75 electrical switch & relay parts for the 2012 Hyundai Equus, across 16 part types, covering the 5.0L V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
The switch and relay system on the 2012 Hyundai Equus covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Accessory Power Relay (16 parts), Oil Pressure Sender / Switch (13 parts) and Brake Light Switch (12 parts). The other 13 part types cover the remaining 34 parts.
Every part on this page is matched to the 5.0L V8 — the only engine offered in the 2012 Hyundai Equus.
The most listed brands for 2012 Hyundai Equus electrical switch & relay parts are WELLS (22 parts), ROSTRA (12 parts) and STANDARD MOTOR PRODUCTS (11 parts), plus 13 more brands. Quality grades include Standard Replacement and Economy.
14 parts on this 2012 Hyundai Equus page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FOUR SEASONS 37324 (A/C Refrigerant Pressure Switch) and HELLA 933332541 (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 | V52730034 | 🇺🇸 US 🇨🇦 CA | 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 2012 Hyundai Equus — VEMO V52730034.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular | 37324 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| UAC Popular | SW9969C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| FAMOUS BRAND | 1802492322 | 🇺🇸 US 🇨🇦 CA | Air Conditioning SwitchHVAC Pressure Transducer | View on Amazon |
| GPD | 1711756 | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| HYUNDAI | 977213K000 | 🇺🇸 US | Included with liquid line, suction hose, hose & tube assembly | View on Amazon |
| STANDARD MOTOR PRODUCTS | PCS195 | 🇺🇸 US 🇨🇦 CA | Low PressureCut-Off | View on Amazon |
| WELLS | 5S16579 | 🇺🇸 US 🇨🇦 CA | CUT-OFF | View on Amazon |
| WELLS | 1S9347 | 🇺🇸 US 🇨🇦 CA | 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.
8 A/C Refrigerant Pressure Switch parts for the 2012 Hyundai Equus come from 7 brands — WELLS, FOUR SEASONS, UAC and 4 other brands. The "Popular" part is FOUR SEASONS 37324.
This group includes FOUR SEASONS 37324, UAC SW9969C and FAMOUS BRAND 1802492322 and the remaining parts above.
A/C System Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC | RE8405C | 🇺🇸 US 🇨🇦 CA | 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 RE8405C.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 933332541 | 🇺🇸 US 🇨🇦 CA | 4-Pin ConnectorPlug: B | View on Amazon |
| ROSTRA Popular | 600003 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AmpereConnector Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | RY116T | 🇺🇸 US 🇨🇦 CA | T-SeriesConnector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | RY116 | 🇺🇸 US 🇨🇦 CA | Connector Quantity: 1Mounting Bracket Included: No | View on Amazon |
| ACKOJA | A52710002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA | 965400071 | 🇺🇸 US 🇨🇦 CA | 4-Pin ConnectorPlug: A | View on Amazon |
| HELLA | 933766801 | 🇺🇸 US 🇨🇦 CA | 4-pin connector | View on Amazon |
| ROSTRA | 600064 | 🇺🇸 US 🇨🇦 CA | Voltage: 12 Volts (Direct Current) | View on Amazon |
| ROSTRA | 600017 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereTerminal Quantity: 4 | View on Amazon |
| ROSTRA | 600275 | 🇺🇸 US 🇨🇦 CA | with 5 Blade TerminalsRectangular | View on Amazon |
| ROSTRA | 600324 | 🇺🇸 US 🇨🇦 CA | with 5 Blade TerminalsSquare | View on Amazon |
| WELLS | 1R3547 | 🇺🇸 US 🇨🇦 CA | with Stamping # 39160-3C200with 5 Terminal(s) | View on Amazon |
| WELLS | 1R2134 | 🇺🇸 US 🇨🇦 CA | with 5 TerminalsGray | View on Amazon |
| WELLS | 1R1486 | 🇺🇸 US 🇨🇦 CA | with 4 TerminalsBlue | View on Amazon |
| WELLS | 1R3545 | 🇺🇸 US 🇨🇦 CA | Connector Gender: MaleMounting Hardware Included: No | View on Amazon |
| WELLS | 1R3615 | 🇺🇸 US 🇨🇦 CA | with Stamping # 95230-3M100 | 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.
16 Accessory Power Relay parts are listed for the 2012 Hyundai Equus, from ROSTRA, WELLS, HELLA and 2 other brands. HELLA 933332541 carries the "Popular" badge.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND | SLA1013 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN | 2BLS0013 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS342T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| VEMO | V53730002 | 🇺🇸 US 🇨🇦 CA | Includes NutPlug (Connector): 4 Pins | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HYUNDAI Popular | 938103K000 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA Popular | 620001 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | SLS342 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY | 2011887 | 🇺🇸 US 🇨🇦 CA | Attachment Method: Screwithoutn | View on Amazon |
| FACET | 71125 | 🇺🇸 US 🇨🇦 CA | with Straight Connector | View on Amazon |
| FACET | 71294 | 🇺🇸 US 🇨🇦 CA | with Right Angle Connector | View on Amazon |
| UNITED MOTOR PRODUCTS | SW407 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S5749 | 🇺🇸 US 🇨🇦 CA | 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 2012 Hyundai Equus come from 10 brands — STANDARD MOTOR PRODUCTS, FACET, FAMOUS BRAND and 7 other brands. The "Popular" part is HYUNDAI 938103K000.
The Economy section lists 4 options from FAMOUS BRAND, HOLSTEIN, STANDARD MOTOR PRODUCTS and 1 other brand — the catalog's value-priced group. FAMOUS BRAND SLA1013 is listed in this group.
In the Standard Replacement grade, FACET, HYUNDAI, ROSTRA and 4 other brands supply 8 parts: built to original-equipment specification. A representative part number is HYUNDAI 938103K000.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 641164 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | CBS2212 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S11349 | 🇺🇸 US 🇨🇦 CA | 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 2012 Hyundai Equus, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: ROSTRA 641164, STANDARD MOTOR PRODUCTS CBS2212 and WELLS 1S11349.
Fuel Pump / Circuit Opening Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 933332641 | 🇺🇸 US 🇨🇦 CA | 5-Pin ConnectorColor: Black, Gray | 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 933332641.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 641164 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | CBS2212 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S11349 | 🇺🇸 US 🇨🇦 CA | 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.
3 Headlamp Switch parts are listed for the 2012 Hyundai Equus, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include ROSTRA 641164, STANDARD MOTOR PRODUCTS CBS2212 and WELLS 1S11349.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S12047 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2012 Hyundai Equus — WELLS 1S12047.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1R1061 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AConnector Gender: Male | 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.
This group shows a single part: WELLS 1R1061.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 670640 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S11383 | 🇺🇸 US 🇨🇦 CA | 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.
2 Neutral Safety Switch / Range Sensor parts for the 2012 Hyundai Equus come from 2 brands — ROSTRA and WELLS.
Listed part numbers: ROSTRA 670640 and WELLS 1S11383.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2OPS0001 | 🇺🇸 US 🇨🇦 CA | with Light | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS411T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| UNITED MOTOR PRODUCTS | OPS189 | 🇺🇸 US 🇨🇦 CA | with Light | View on Amazon |
| VEMO | V527300021 | 🇺🇸 US 🇨🇦 CA | Pressure [Bar]: 0.3 | View on Amazon |
| WALKER PRODUCTS | 2561059 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 2011771 | 🇺🇸 US 🇨🇦 CA | with Light | View on Amazon |
| HELLA Popular | 009600251 | 🇺🇸 US 🇨🇦 CA | 1-Pin Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | PS411 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 1Terminal Type: Blade | View on Amazon |
| FACET | 70195 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD | 1815237 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HYUNDAI | 9475037100 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 501242 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S6857 | 🇺🇸 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.
13 Oil Pressure Sender / Switch parts for the 2012 Hyundai Equus come from 12 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, UNITED MOTOR PRODUCTS and 9 other brands. The "Popular" part is BECK/ARNLEY 2011771.
The Economy section: 5 options from HOLSTEIN, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 2 other brands. HOLSTEIN 2OPS0001 is listed in this group.
Standard Replacement: 8 parts, from BECK/ARNLEY, HELLA, STANDARD MOTOR PRODUCTS and 5 other brands. A representative part number is BECK/ARNLEY 2011771.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1S13495 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| WELLS Popular | 1S16431 | 🇺🇸 US 🇨🇦 CA | Front Leftwith Manual Adjustable Headrest | View on Amazon |
| WELLS | 1S16538 | 🇺🇸 US 🇨🇦 CA | Rear Leftwith Manual Adjustable Headrest | View on Amazon |
| WELLS | 1S16432 | 🇺🇸 US 🇨🇦 CA | Front Leftwith Power Adjustable Headrest | View on Amazon |
| WELLS | 1S16565 | 🇺🇸 US 🇨🇦 CA | Rear Rightwith Power Adjustable Headrest | View on Amazon |
| WELLS | 1S17712 | 🇺🇸 US 🇨🇦 CA | Rear Leftwith Power Adjustable Headrest | 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.
6 Power Window Switch parts for the 2012 Hyundai Equus come from WELLS. The "Popular" part is WELLS 1S13495.
This group includes WELLS 1S13495, WELLS 1S16431 and WELLS 1S16538 and the remaining parts above.
Starter Motor Control Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 933332541 | 🇺🇸 US 🇨🇦 CA | 4-Pin ConnectorPlug: B | 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 2012 Hyundai Equus — HELLA 933332541.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 641164 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | CBS2212 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S11349 | 🇺🇸 US 🇨🇦 CA | 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 2012 Hyundai Equus come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include ROSTRA 641164, STANDARD MOTOR PRODUCTS CBS2212 and WELLS 1S11349.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 641164 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | CBS2212 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S11349 | 🇺🇸 US 🇨🇦 CA | 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 2012 Hyundai Equus, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
This group includes ROSTRA 641164, STANDARD MOTOR PRODUCTS CBS2212 and WELLS 1S11349.
Buying Electrical Switch & Relay Parts for a 2012 Hyundai Equus
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 5.0L V8 engine — every part on this page is matched to it.
- 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: Accessory Power Relay and Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2012 Hyundai Equus?
Our catalog currently lists 75 electrical switch & relay parts for the 2012 Hyundai Equus across 16 subcategories and 16 brands, covering the 5.0L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2012 Hyundai Equus?
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 2012 Hyundai Equus 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 2012 Hyundai Equus?
Every part on this page is matched to the 5.0L V8 engine. 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 2012 Hyundai Equus
Electrical Switch & Relay Parts for Other Hyundai Equus 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.