Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2013ESCALADE ESV PLATINUM, RWDREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - MEMORY SEAT MODULE X5 (AN3) TO YAW SENSORCOMPONENT CONNECTOR END VIEWSTRAILER BRAKE CONTROL RELAY (JL1)
2013 Cadillac Escalade ESV Platinum, RWD
Trailer Brake Control Relay (JL1)
2013 Cadillac Escalade ESV Platinum, RWDSECTION Trailer Brake Control Relay (JL1)
Connector Part Information
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Terminal Part Information
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Trailer Brake Control Relay (JL1)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A | 3 D-BU | 47 | Trailer Brake Output Supply Voltage |
| B | 3 BK | 2150 | Ground |
| C | 0.5 TN | 945 | Integrated Trailer Brake Relay Control Active Low |
| D | 0.5 L-GN | 944 | Relay Feedback |
| E | 0.5 YE/BK | 7521 | Solid State Relay Enable |
| F | 3 RD/BK | 242 | Battery Positive Voltage |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.