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.
Rear Wiper Operation
During rear wiper operation, the wiper switch portion of the rear wiper/washer switch provides a ground signal to the rear wiper motor indicating the rear wipers are requested. At this point the rear will motor will activate. The wiper motor is supplied B+ through the I/P fuse block and accessory voltage from the BCM.
Rear wiper operation will be suspended when the liftgate is open. The rear wiper motor monitors the liftgate ajar switch to determine when the liftgate is open.
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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.