Icehouse Posted July 2, 2007 Report Share Posted July 2, 2007 Over the weekend I was working on a 69 4 door. It was a wiring nightmare! Not one thing worked! I got the wipers, running lights alt. And oil presure light working. I was having problems with the headlights, the low beems worked but the brights didn't.... we after doing a few continuity test I found that someone had cut the wires to the brights! I butt connected them. Then I was not getting the switched ground from the column. It turns out there is a little tab that hits a grounding plate when the brights are applied. It was completely burned off. I replaced it. So I figured the brights had to work.... nope..... and it blowed out a fuse everytime I hit the hi's. I could not find a wiring diagram that said it was for 69. I relized the hi beam circuit is much different than the 70 models. On the 70 models the hi beams get there ground through 2 ground wires (black). On the 69 they get grounded through the switch (red with yellow strip). So I rate myself about an 8 in the wiring department. Even though I burned the dash harness out of my moms car one.... wupps... I was a junker anyways. Okay.... I thought to myself I will just redo the relay since its not the right one and all them ones we have are for a 70's and up.... at least that's my theroy. I only swapped 2 wires and they work perfect! I just want to know what is going on with the different headlight relays? Has anyone had the same problem? Quote Link to comment
71-521 Posted July 3, 2007 Report Share Posted July 3, 2007 it sounds like somewhere in that circuit, it is shorting directly out...are the wires in the column all good? just a thought as I had my Chevelle burn up in the column and took forever to find it... Quote Link to comment
Duke Posted July 3, 2007 Report Share Posted July 3, 2007 I have heard the the stock 68 wiring is total crap and that alot of guys just replace it with a later harness to avoid the problems. Quote Link to comment
Icehouse Posted July 3, 2007 Author Report Share Posted July 3, 2007 I have heard the the stock 68 wiring is total crap and that alot of guys just replace it with a later harness to avoid the problems. this one is a 69 though Quote Link to comment
mklotz70 Posted July 3, 2007 Report Share Posted July 3, 2007 Connect a test light between the pos cable and the batt post...it'll light up if there's a short. Start disconnecting stuff in the light circuit until it goes out. Saves blowing fuses trying to figure it out. Quote Link to comment
banzai510(hainz) Posted July 3, 2007 Report Share Posted July 3, 2007 the 510 realm has the diagram I have from last night I told you about, the 4 wire one. Quote Link to comment
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