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Enhance your Ford Mustang with our premium chassis wiring kits tailored for LS swaps and vintage restorations. Designed to accommodate 1964-89 models, these Classic Update Kits offer reliable wiring solutions for modern engine setups and additional accessories. Whether you’re upgrading to support an LS engine or refreshing your stock wiring, these kits provide the durability and functionality needed to handle high-performance builds and daily drivers alike.
Each kit includes clearly labeled wires, connectors, and instructions to ensure a seamless installation while maintaining the original look and feel of your Mustang.
Each kit includes pre-labeled wiring, connectors, and components necessary to rewire your vehicle from headlights to taillights.
The kits are available for 1964-66, 1967-68, 1969, 1970, 1971-73, and 1987-89 Ford Mustang models.
Yes, they are designed to handle modern accessories like aftermarket gauges, EFI systems, and upgraded lighting.
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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!
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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
Post sale tech support:
techsupport@psiconversion.com