International 8600 headlight issue

Discussion in 'International Forum' started by BrianP, Jul 19, 2015.

Page 2 of 2

Jul 23, 2025 at 9:19 PM #11

truckerbangin Light Load Member

266

44

Jan 22, 2013

0

G

Heavyd said: ↑

If you have a 4 or 8000 series, the headlights are directly powered from the body controller. Low and hi beam power come from the body controller on a single feed each and then split for left and right side. If your left side is fine, and you have checked for no power at your bulb, then you have a bad wire between the "Y" butt splice connection and the right side. The bumper area is famous on these for rubbing wiring harness to cause issues like this. If you can't find a bad spot, then you can just run a new wire from the left side to repower the right head light.
Click to expand...

Will go through the harness and check it out. This truck has a few electrical gremlins I’ve been dealing with, next major issue it no parking lights and tail lights at the trailer pigtail

truckerbangin, Jul 23, 2025 at 9:19 PM

truckerbangin, Jul 23, 2025 at 9:19 PM

#11
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