Our comprehensive 1988 Pontiac Firebird radio wiring diagram shows you all the radio wire harness colors, car speaker wiring colors and car speaker sizes. Use our 1988 Pontiac Firebird head unit pin-out guide to help you with your car radio troubleshooting and installation needs.. Stereo Wiring Diagram Menu. Menu. Request Stereo Diagrams; Stereo Wiring Diagrams; 1988 Pontiac Firebird. April 11, 2012 April 11, 2012 by Mr Stereo. 1988 Pontiac Firebird Stereo Wiring Information. Radio Battery Constant 12v+ Wire: Orange Radio Accessory Switched 12v+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Wire: Gray
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Here is a list of our 3rd Gen Tech Articles, How to's, electrical diagrams, troubleshooting, and more. Find a broken link? Please report all broken links to Formula71. General: 1. 1988 GM Service Manual 2. 1983 Wiring Diagrams 3. 1987 Wiring Diagrams 4. 82-91 Parts & Illustration Catalog - Submitted by sea dog 5.. 1988-89 Pontiac Firebird car stereo wire colors, functions, and locations. 1988-89 Pontiac Firebird Stereo Wiring: Constant 12V+ Orange : Switched 12V+ Yellow : Ground: Black : Illumination: Gray : Dimmer: Brown :. Please verify all wire colors and diagrams before applying any information. Top.
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