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 MANUALSCHEVROLET1971CHEVELLE BASE, NOT AVAILABLE, 5.0L ENG, ENG CD CCA, AUTOMATIC TRANS, TRANS MFR CD THM350REPAIR AND DIAGNOSISBODY & FRAMEWINDOWSELECTRIC WINDOW CONTROLSTESTINGPOWER WINDOW CIRCUITSBLOCKOUT SWITCH (CADILLAC ONLY)
1971 Chevrolet Chevelle Base, Not Available, 5.0L Eng, Eng CD CCA, Automatic Trans, Trans Mfr CD THM350
Blockout Switch (Cadillac Only)
1971 Chevrolet Chevelle Base, Not Available, 5.0L Eng, Eng CD CCA, Automatic Trans, Trans Mfr CD THM350SECTION Blockout Switch (Cadillac Only)
With ignition "ON", test blockout switch using a jumper wire between the RED-WHITE wire and PINK-BLACK wire terminals. Operate control switches, if windows operate with jumper, but not with blockout switch, the switch is defective.
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.