My Cart
Enhance the electrical system of your classic Pontiac with our premium American Autowire body and chassis wiring harnesses. Designed specifically for various Pontiac models from the 1960s to the 1980s, these harnesses provide durability and precision, ensuring all electrical components function flawlessly and integrate seamlessly with our LS & LT wiring harness offerings. Our classic update kits offer modern wiring solutions, making installation straightforward and improving the overall reliability and performance of your vehicle.
Whether you're restoring a 1964-67 Pontiac GTO or enhancing a 1970-80 Firebird, our harnesses are the perfect solution for your electrical needs.
These American Autowire harnesses are designed with high-quality materials and modern wiring techniques, ensuring reliable electrical performance and easy installation, while maintaining the original look and feel of classic Pontiacs.
A new wiring harness reduces the risk of electrical failures, shorts, and fire hazards by replacing old, brittle wires with modern, high-quality materials. This ensures safer and more reliable electrical connections.
Yes, our wiring harnesses are designed to be compatible with both OEM and aftermarket electrical components, providing flexibility for various upgrades and modifications to your classic Pontiac.
About
Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!
My Account
Contacts
2029 Route 88
Brick, NJ 08724
ph. 732-276-8589 Mon-Fri: 8:00am to 6:00pm ET
customerservice@psiconversion.com
sales@psiconversion.com
techsupport@psiconversion.com