NEED HELP 03 4.2 led conversion no high

TheLureWasher

Original poster
Member
Aug 10, 2017
8
CT
Just did my Led conversion on my 03 EXT. Headlights, tail lights, interior, load resistors. Problem is when the head lights and you try to put the high beams on the low beams go off and no high beams. Checked relay at 43 and fuse 14 both good. Any ideas?
 

Blckshdw

Moderator
Nov 20, 2011
10,665
Tampa Bay Area, FL
You can confirm power at the high beam relay and fuses, when engaged? What happens if you put the stock bulbs back in?
 

Matt

Member
Dec 2, 2011
4,019
Sounds light a problem with the high beams, just don't know what yet.

When you hit the high beams, the lows, from factory, will turn off. Unless, of course, you've done the quad highbeam mod, which keeps the lows on when you hit the highs.
 

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