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 MANUALSBUICK1995REGAL GRAN SPORTREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEPOWER WINDOWSTESTINGTEST 5
1995 Buick Regal Gran Sport
Test 5
1995 Buick Regal Gran SportSECTION Test 5
- Disconnect right rear window switch connector. With ignition switch in RUN position, connect a test light between right rear window switch Light Green wire connector terminal and Purple wire connector terminal. Press right rear window switch (on master switch) up then down.
- If light comes on in both directions, go to step 3). If light does not come on in both directions, check for open in Light Green and Purple wires between master switch and right rear window switch. If wires are okay, replace master switch.
- Connect a jumper wire between right rear window switch connector Light Green wire and Dark Blue wire (going to right rear window motor). Connect a jumper wire between right rear window switch connector Purple wire and Brown wire.
- Press right rear window switch (on master switch) up and down. If window motor operates, replace right rear window switch. If window motor does not operate, check for open in Dark Blue and Brown wires between right rear window switch and right rear window motor. If wires are okay, replace motor.
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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.