debating and questioning headlights

[mikey2409]

Originally Posted by RexDodge

X 1000 on the relay mod. I'll also toss into the mix to upgrade to an internally regulated alternator while you're at it. That really cleans up the wiring mess these trucks come with. When I did mine I also installed a remote starter solenoid. I think could have filled a 30 gallon trash can with the wire and crap I removed. Here are a couple of wiring diagrams I used. The head light diagram is for a gmc 4 headlight set up but still applies to high beam/low beam. Be sure to use circuit breakers and not a fuse on your head lights. The other schematic is what I came up with when I did my alternator swap (from this site and edited a little). I grabbed my power at that first junction off the back of the alternator instead of running (another) wire from the battery. The last pic is of a bracket I made with relays and circuit breakers. Head lights, electric fan and wipers. Just take your time, think it through and ask lots of questions if needed. It's actually an easy mod and pays off with reliability and bright headlights. Have fun!
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Great info and wiring diagram but my problem with the diagram is I have a single headlight and not a dual set up like the gmc
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