Test 1: All Windows Inoperative

1999 Chevrolet Camaro Base, 2D Coupe, AutomaticSECTION Test 1: All Windows Inoperative
  1. Ensure no Body Control Module (BCM) Diagnostic Trouble Codes (DTCs) are stored. See appropriate BODY CONTROL MODULES article. Repair as necessary. If no DTCs exist, go to next step.
  2. Turn ignition switch to RUN position. Using a test light, backprobe between ground and master switch assembly connector terminal "F" (Brown wire). If test light illuminates, go to step Β 4 . If test light does not illuminate, go to next step.
  3. If connection is okay, repair open in Brown wire between power window circuit breaker (30-amp) and master switch assembly connector terminal "F". See WIRING DIAGRAMSΒ  .
  4. Connect a test light between master switch assembly connector terminals "F" (Brown wire) and "A" (Black wire). If test light illuminates, go to next step. If test light does not illuminate, go to step Β 6 .
  5. Check for poor connection at master switch assembly. If connection is okay, replace master switch assembly. See WINDOW SWITCHΒ  under REMOVAL & INSTALLATION.
  6. Repair open in Black wire between master switch assembly and ground. See WIRING DIAGRAMSΒ  .
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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.