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 MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 89 (MEMORY SYSTEM)SYSTEM TESTSALL MEMORY & SEAT FUNCTIONS INOPERATIVE
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F
All Memory & Seat Functions Inoperative
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION All Memory & Seat Functions Inoperative
WARNING: This page is about a different car, the 1998 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After repair or component replacement is completed, perform appropriate MEMORY SYSTEM CHECK under TROUBLE SHOOTING
to verify system is functioning properly.
- Perform appropriate MEMORY SYSTEM CHECK under TROUBLE SHOOTING . Go to next step.
- Disconnect memory seat/mirror module Black, 2-pin connector C2. Using DVOM connected to ground, measure voltage at memory seat/mirror connector C2, terminal "A" (Orange wire). If 10-15 volts exists, go to next step. If 10-15 volts does not exist, go to step 5).
- Connect DVOM between memory seat/mirror module connector C2, terminals "A" (Orange wire) and "B" (Black wire). If 10-15 volts exists, go to next step. If 10-15 volts does not exist, go to step 6).
- Replace memory seat/mirror module.
- Repair open in Orange wire between memory seat/mirror module and splice S339.
- Repair open in Black wire and memory seat/mirror module and splice S290.
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.