Lockout Function Inoperative (4-Door)

1997 Pontiac Grand Prix GTP, 4D SedanSECTION Lockout Function Inoperative (4-Door)

Disconnect master switch connector. Connect a test light between ground and Dark Blue wire at master switch wiring harness connector. See WIRING DIAGRAMSΒ  . If test light is off, replace master switch. Recheck system operation. If test light is on, repair short to battery between master switch connector and window switch. Recheck system operation.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.