MJ Jeep Tech

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Posts : 38
Join date : 2018-04-07

Headlight Harness Upgrade

on Sat Apr 07, 2018 5:20 pm
Headlight Harness Upgrade

It’s an easy to install supplemental headlight harness.

From the factory, the voltage to the headlight bulbs travels from the battery, through connectors, inside the cabin, to the headlamp switch, and then back out to the lamps via undersized wire and more connectors. It’s not uncommon to find only 10.5 volts at the lamps.

The supplemental harness is installed so that it provides battery voltage to the lamps and is just triggered by the factory wiring. The result is about 35% brighter headlamps and headlight switches that don’t melt and burn out.

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