Access the 1989 Pontiac Grand Prix service & repair manual . Procedures, specs, wiring diagrams, trims & engines covered.. Detailed repair manual for the 1989 Pontiac Grand Prix V6-191 3.1L.
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Our Pontiac Automotive repair manuals are split into five broad categories; Pontiac Workshop Manuals, Pontiac Owners Manuals, Pontiac Wiring Diagrams, Pontiac Sales Brochures and general Miscellaneous Pontiac downloads. The vehicles with the most documents are the Other Model, Firebird and Bonneville.. Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1989-1993 Pontiac Grand Prix . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle.