1982 Cadillac Cimarron Automatic TransFACTORY OEM SERVICE PROCEDURE

All Other Models

When the window switch is depressed, current flows through the switch, through one feed wire, the motor, and back to the master switch, where it is led to ground through a common ground wire. When the switch is pressed in the other direction, current flows through the other feed wire, through the motor, back to the master switch, and to ground.

Fig 1: GM Power Window Wiring Diagram 2-Door Models
G09358778Courtesy of GENERAL MOTORS COMPANY
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:

  • 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.