1989 toyota 4runner
#4
Registered User
#5
Contacts die or get defective prematurely because of the poor design of the headlight wiring that causes lots of power loss on wiring and subjects dimmer-combo-switch to high current.
Fix the contacts, then to fix the above problem and help extend life of your stalk switch contacts, use H4 conversion harness. NOTE: Commonly-available H4 conversion harness converts wiring to switched-positive and will not work with Truck-Lites LED headlights.
#7
Just to echo RAD4Runner: Clean the contacts and order a conversion harness. I got mine from Headlight Services: http://headlightservices.com/4runner3.html. It was less than $100, plug-and-play, totally easy, everything feels quality, and my brights indicator continued to work. I had considered making my own and I purchased a cheap harness from eBay (which did not illuminate my bright indicator). I highly recommend ordering a quality harness. There are others, in addition to Headlight Services, that make these harnesses.
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