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 MANUALSCHEVROLET2013SUBURBAN 4WD V8-5.3LREPAIR AND DIAGNOSISBODY AND FRAMEFRAMETRAILER TOWING RELAYSERVICE AND REPAIRTRAILER BRAKE CONTROL RELAY REPLACEMENT (1500)
2013 Chevrolet Suburban 4WD V8-5.3L
Trailer Brake Control Relay Replacement (1500)
2013 Chevrolet Suburban 4WD V8-5.3LSECTION Trailer Brake Control Relay Replacement (1500)
Trailer Brake Control Relay Replacement (1500)
Removal Procedure
1. Turn the ignition switch to the OFF position.
Note:
Do not remove the spare wheel hoist.
2. Remove the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement Service and Repair.
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
4. Remove the fuel pump flow control module (1). Refer to Fuel Pump Flow Control Module Replacement Service and Repair.
5. Remove the trailer brake control relay bolts (1).
6. Disconnect the electrical connector and remove the trailer brake control relay (1).
Installation Procedure
1. Connect the electrical connector and install the trailer brake control relay (1).
Caution:
Refer to Fastener Caution Fastener Caution.
2. Install the trailer brake control relay bolts (1) and tighten to 6 Nm (53 lb in).
3. Install the fuel pump flow control module (1). Refer to Fuel Pump Flow Control Module Replacement Service and Repair.
4. Install the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement Service and Repair.
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.