1974 - 1976 Firebird and Trans Am Classic Update Power Window and Door Lock Add-on Harness

Got Power Windows and or Power Door Locks?? If yes, then this kit is for you if you have used our WIR-2503 Classic Update Complete Wiring Harness Kit for 74 - 76 Firebird and Trans Am models. This new kit includes all necessary Power Window and Door Lock wiring and relays to add to your Classic Update Wiring Kit. Designed just for 74, 75, & 76 Firebird models.

1. This kit is designed to work with our WIR-2503 Firebird Classic Update Kit. It is NOT intended to be used by itself or with any other aftermarket electrical system.

2. This kit requires that you use the factory door harnesses. American Autowire does offer factory door harnesses for most applications, most require that you reuse your original door boot.

Click for: Detailed American Autowire Instructions for the 74-76 Classic Update Power Window and Lock Add-on Harness

Be sure to have the correct Crimping Tools, if you do not have one try our 2 Piece Crimper Tool Set, PART# WIR-686
Also see our Wire Cutter / Stripper Tool PART# WIR-685

***Only to be used with our part# WIR-2503 Classic Update Harness if you have Power Windows and or Power Door Locks.

Part Number: WIR-2505