1989 Pontiac SafariFACTORY OEM SERVICE PROCEDURE

Description & Operation: Description

The power tailgate window is operated by both a dash panel switch and tailgate key switch. A self actuated bock-out switch prevents window operation when tailgate is open. Bock-out switch also actuates dash mounted warning light.

A reversible electric motor, with internal circuit breaker, operates the regulator which raises and lowers the window. A fuse panel circuit breaker provides added protection to the tailgate window circuit.

The tailgate window assembly consists of solid tempered safety plate glass, bolted to lower sash guide plate assemblies. These assemblies operate on dual vertical guide tubes located in the tailgate.

Factory Service Tools

Use the Manual With the Right Hardware

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

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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.

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