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.
1996 Chevrolet Lumina APV Van PassengerFACTORY OEM SERVICE PROCEDURE
Front Height Will Not Go Up Or Down; Forward Or Back Functions Operate Normally
- Using test light, backprobe between front height motor connector terminal "F" (Dark Blue wire) and ground. Move power seat front height switch lever to down position. If test light glows, go to next step. If test light does not glow, check for poor connection or open in Dark Blue wire between power seat switch and front height motor. If circuit is okay, replace power seat switch.
- Backprobe between front height motor connector terminal "E" (Dark Green wire) to ground. Move power seat front height switch lever to up position. If test light glows, go to next step. If test light does not glow, check for poor connection or open in Dark Green wire between power seat switch and front height motor. If circuit is okay, replace power seat switch.
- Backprobe between front height motor connector terminals "E" (Dark Green wire) and "F" (Dark Blue wire). Move power seat front height switch to down, then up position. If test light glows in both positions, check for poor connections at front height motor. If connections are okay, replace front height motor. If test light does not glow in both positions, replace power seat switch.
Factory Service Tools
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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.
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