Dec 8, 2016 · Due to electrical resistance in the way an old vehicle's headlights are wired, there's an easy relay mod you can do to improve light output.

Feb 10, 2016 · 1999 - 2003 7.3L Power Stroke Diesel - Headlight Harness & Relay "Upgrade" - Few years ago I replaced my headlights with some aftermarket lights and it was improvement over the …

Aug 17, 2012 · 1987 - 1996 F150 & Larger F-Series Trucks - The ultimate headlight relay upgrade / mod - Ok, maybe it's not THE ultimate, but I think it's pretty cool. I've had the relays for a while, but just …

Jul 29, 2012 · Head light relay mod write up with pics...WOW what a difference High everyone, I am going to attempt to document my method of the headlight mod using relays. This is my first write up …

Nov 20, 2018 · Relay Upgrade Bonus: Your headlight switch’s life will be greatly extended because the heavy current is now channeled through the relay — the headlight switch will now only trigger the …

Sep 19, 2012 · Fox chassis cars are known for having headlight issues…everything from flashing lights when the fogs are on, to blown headlight and multi-function (turn signal) switches. Basically because …

This list of instructions should help you in the making of the infamous "Headlight Relay Upgrade Harness" that a lot of people have ordered from Dave in Marysville Washington.

Feb 17, 2009 · Headlight Relay Upgrade 67-72