firebird wiring diagram | eBay www›Search›firebird wiring diagramFind great deals on eBay for firebird wiring diagram. Shop with confidence. Skip to main content. eBay Logo: Shop by category. 1970 70 1971 71 Pontiac Firebird Full Color Laminated Wiring Diagram 11" X 17" Brand New. $17. Guaranteed by Tue, Feb. 19. Buy It Now +$5 shipping. Camaro Wiring & Electrical Information - NastyZ28 Second Generation Camaro Owners Group - Camaro Wiring and Electrical Information. The electrical system is critical to your cars operation. It might seem like a complex and confusing mess, but if you approach this logically and use the sites wiring diagrams you'll be able to understand what's going on. FIREBIRD AC HEATER HARNESS - Firebird Central 1970 - 1972 Firebird & Trans Am Air Conditioning Wiring Harness, Engine Side New air conditioning wiring harness for your bird. This one is the engine side, under hood, and is for cars without the heated rear window defroster option. Works for all 70 - 72 Firebird and Trans Am models.