Heavy Duty Headlight Conversion Harness w/Relays ● Easy Installation with Plug-and-Play ● Hassle-Free Maintenance ▶ Order Your Automotive Alarm Systems Now!
Heavy Duty Headlight Conversion Harness – 1966–77 Bronco, 1961–86 Ford Truck & 1978–86 Bronco
Upgrade your classic Ford with this Weighty Duty Headlight Conversion Harness designed for 1966–77 Ford Broncos, 1961–86 Ford F-Series Trucks, and 1978–86 Full-Size Broncos. This harness improves lighting performance by replacing the weak stock wiring with heavy-duty wiring and relays, providing stronger, more stable power — especially when running high-output bulbs.
Enhanced Visibility with Dual Beam Function
The innovative design contains a pre-installed diode that allows both low and high beams to stay illuminated when the brights are on, delivering superior visibility in dark or low-visibility conditions. This feature ensures you have maximum lighting output whether you’re on the highway or the trail.
Built for Reliability & Easy Installation
Constructed from high-quality materials and manufactured for
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