Fog lights not working, calling all electricians |
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Fog lights not working, calling all electricians |
malcolm2 |
Sep 28 2014, 02:26 PM
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#1
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Advanced Member Group: Members Posts: 2,747 Joined: 31-May 11 From: Nashville Member No.: 13,139 Region Association: South East States |
OK, I know enough about elec. to test a few things so here is what I found once home from Okteenerfest.
Fog lights, driving lights, whatever you want to call them just quit working. The pull knob lights up I get 12v in the front trunk at the connection from the main harness. (that is with the connection separated) {with all wire connected, I get no reading} Grounds have continuity there too. I did not get 12 volts once I took the light apart, not the bulb holder, just the light was apart and I used an alligator clip to ground it. No volts. If I remove the alligator clip from the hanging light in the picture below and put the red lead of the VM on the white/ylw wire at the bulb holder THEN the black lead of the VM to a bolt on the car..... I get 12 volts. So with the bulb holder or the complete fixture assembled and grounded I get nothing. What is going wrong here? |
malcolm2 |
Sep 29 2014, 06:13 PM
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#2
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Advanced Member Group: Members Posts: 2,747 Joined: 31-May 11 From: Nashville Member No.: 13,139 Region Association: South East States |
(IMG:style_emoticons/default/icon_bump.gif) for more conversation and some results.
I have 2 spare relays. I tested them per the picture below: WHile checking continuity between 30 and 87 you put a 12volt power source on either 86 or 85, then you ground or put a batt- on the other. When you touch the relay with the last wire, listen for the relay to click and watch your meter for continuity. my spare relays and the one I just took out of the fog light spot on the panel under the dash are operating. So I took a flashlight under and found that 87 could not be doing it's job. So what would make this melt? Yes heat, but how did it get hot. I don't want to just get a new relay seat, or rewire and have this happen again. |
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