1997 Oldsmobile Cutlass BaseFACTORY OEM SERVICE PROCEDURE

Left Rear Window Does Not Operate: 4-Door

  1. Disconnect left rear window switch connector. Turn ignition switch to RUN position. Press rear lock-out switch to off position (if equipped). Connect test light between Dark Green wire and Purple wire terminals at left rear window switch connector. Press left rear window switch at master switch to up and down positions. If test light is on, go to next step. If test light is off, repair open in Dark Green wire or Purple wire between left rear window switch and master switch. If wires are okay, replace master switch.
  2. Connect jumper wire between Purple wire and Brown wire terminals, and between Dark Green wire and Dark Blue wire terminals at left rear window switch connector. Press left rear window switch at master switch to up and down positions. If left rear window operates, replace left rear window switch. If left rear window does not operate, repair open in Dark Blue wire or Brown wire between left rear window switch and motor. If wires are okay, replace left rear window motor.
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.