Window Motor

1980 Chevrolet Forward Control 5.7L Eng VIN M, Automatic Trans, Trans Mfr CD 400/M40SECTION Window Motor

Check Power feed to motor terminals, if power is available, check motor ground. Inspect window regulator and channels for possible binding. Connect a jumper wire to the other motor terminal. Motor should operate window up and down, if not, replace motor.

Fig 1: General Motors Light Truck Power Window Wiring Diagram
G09318312Courtesy of GENERAL MOTORS COMPANY
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.