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American Autowire 1974-1978 Pontiac Firebird Classic Update Series Wiring Harness Kit 510683

American Autowire 1974-1978 Pontiac Firebird Classic Update Series Wiring Harness Kit 510683
$1,900.99 ea
NEWOut of stock with our supplier as of 01/11/2024
Model: 3958763
IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Wiring Harnesses, Classic Update Series, Standard Length, Fuse Block Included, Pontiac, Kit

American Autowire Classic Update Series wiring systems power up your classic ride! Modifying your vintage muscle with modern amenities is beyond the capabilities of OE wiring. These harness kits let you keep the retro looks and enjoy power accessories like air conditioning, windows, and fuel injection. The assemblies are year/make/model-specific for a professional fit and are offered in over 60 different kits. Updating your classic has never been easier!

Classic Update Series details:

* Longer length wire allows for stock or custom routing
* ATO-style fuse panel and more circuits
* Full color schematics and instructions
* Ignition, headlight, and dimmer switches (most kits)
* Upgraded 8-gauge wire for alternator, fuse link protection, gauge cluster options, and disconnect
* Pre-wired fuse panel mounts in the stock location

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Fitment Notes
Pontiac Firebird Base 1976 L6, GM INLINE 6-CYLINDER, 4.1L/250
V8, OLDSMOBILE V8, 5.7L/350
V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Base 1975 L6, GM INLINE 6-CYLINDER, 4.1L/250
V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Base 1974 L6, GM INLINE 6-CYLINDER, 4.1L/250
V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
V8, PONTIAC V8, 7.5L/455
Pontiac Firebird Base 1978 V6, GM V6, 3.8L/231
V8, CHEVY SMALL BLOCK GEN I, 5.0L/305
V8, CHEVY SMALL BLOCK GEN I, 5.7L/350
Pontiac Firebird Base 1977 V6, GM V6, 3.8L/231
V8, CHEVY SMALL BLOCK GEN I, 5.0L/305
V8, OLDSMOBILE V8, 5.7L/350
V8, OLDSMOBILE V8, 6.6L/403
V8, PONTIAC V8, 4.9L/301
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Esprit 1976 L6, GM INLINE 6-CYLINDER, 4.1L/250
V8, OLDSMOBILE V8, 5.7L/350
V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Esprit 1975 L6, GM INLINE 6-CYLINDER, 4.1L/250
V8, PONTIAC V8, 5.7L/350
Pontiac Firebird Esprit 1974 L6, GM INLINE 6-CYLINDER, 4.1L/250
V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
V8, PONTIAC V8, 7.5L/455
Pontiac Firebird Esprit 1978 V6, GM V6, 3.8L/231
V8, CHEVY SMALL BLOCK GEN I, 5.0L/305
V8, CHEVY SMALL BLOCK GEN I, 5.7L/350
Pontiac Firebird Esprit 1977 V6, GM V6, 3.8L/231
V8, CHEVY SMALL BLOCK GEN I, 5.0L/305
V8, OLDSMOBILE V8, 5.7L/350
V8, PONTIAC V8, 4.9L/301
Pontiac Firebird Formula 1978 V8, CHEVY SMALL BLOCK GEN I, 5.0L/305
V8, CHEVY SMALL BLOCK GEN I, 5.7L/350
V8, OLDSMOBILE V8, 6.6L/403
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Formula 1977 V8, CHEVY SMALL BLOCK GEN I, 5.0L/305
V8, OLDSMOBILE V8, 5.7L/350
V8, OLDSMOBILE V8, 6.6L/403
V8, PONTIAC V8, 4.9L/301
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Formula 1976 V8, OLDSMOBILE V8, 5.7L/350
V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Formula 1975 V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Formula 1974 V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
V8, PONTIAC V8, 7.5L/455
Pontiac Firebird Trans Am 1977 - 1978 V8, OLDSMOBILE V8, 6.6L/403
V8, PONTIAC V8, 6.6L/400
Pontiac Firebird Trans Am 1974 - 1975 V8, PONTIAC V8, 5.7L/350
V8, PONTIAC V8, 6.6L/400
V8, PONTIAC V8, 7.5L/455
Pontiac Firebird Trans Am 1976 V8, PONTIAC V8, 6.6L/400
V8, PONTIAC V8, 7.5L/455

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