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> Fog lights not working, calling all electricians
malcolm2
post Sep 28 2014, 02:26 PM
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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?

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Posts in this topic
malcolm2   Fog lights not working   Sep 28 2014, 02:26 PM
messix   is there continuity on the ground of the socket [o...   Sep 28 2014, 02:39 PM
malcolm2   is there continuity on the ground of the socket [...   Sep 28 2014, 03:13 PM
messix   is this a sealed beam light?   Sep 28 2014, 02:45 PM
Tom   Sounds like you have a bad/dirty connection that ...   Sep 28 2014, 03:06 PM
Mike Bellis   If you read 12V on the ground lead, through the la...   Sep 28 2014, 03:07 PM
malcolm2   If you read 12V on the ground lead, through the l...   Sep 28 2014, 03:33 PM
malcolm2   If you read 12V on the ground lead, through the l...   Sep 28 2014, 03:42 PM
Dave_Darling   Strangely enough, I do NOT get continuity between...   Sep 28 2014, 03:47 PM
malcolm2   OK, must have been something in my rig from the ba...   Sep 28 2014, 04:51 PM
Mike Bellis   If you have 12V to the light, the problem is with ...   Sep 28 2014, 04:53 PM
malcolm2   If you have 12V to the light, the problem is with...   Sep 28 2014, 05:00 PM
76-914   Look at the bulb carefully to see if the tungsten ...   Sep 28 2014, 05:03 PM
malcolm2   Look at the bulb carefully to see if the tungsten...   Sep 28 2014, 05:13 PM
76-914   Look at the bulb carefully to see if the tungsten ...   Sep 28 2014, 05:07 PM
messix   check and clean contacts on fuse 10   Sep 28 2014, 05:09 PM
messix   do you have amp draw feature on you vom? if you d...   Sep 28 2014, 05:24 PM
malcolm2   do you have amp draw feature on you vom? if you ...   Sep 28 2014, 05:47 PM
malcolm2   J5 Is the one. Bowlsby had it.   Sep 28 2014, 05:53 PM
malcolm2   :bump: for more conversation and some results. I...   Sep 29 2014, 06:13 PM
malcolm2   My guess on operation: When turned on and on low b...   Sep 29 2014, 06:16 PM
malcolm2   One more bump... No action on electrical issues t...   Sep 29 2014, 08:40 PM
messix   corrosion on contacts make a high resistance and c...   Sep 29 2014, 09:11 PM
malcolm2   corrosion on contacts make a high resistance and ...   Sep 29 2014, 09:22 PM
messix   corrosion on contacts make a high resistance and...   Sep 29 2014, 10:22 PM
Mike Bellis   Most likely cause of the melting was a loose conne...   Sep 29 2014, 10:18 PM
914Mike   Check the pins on your relays. If you look closely...   Sep 29 2014, 10:48 PM
malcolm2   Check the pins on your relays. If you look closel...   Sep 30 2014, 05:49 AM
Tom   So it was a bad/dirty connection? Seem to remember...   Sep 30 2014, 06:51 AM
malcolm2   So it was a bad/dirty connection? Seem to remembe...   Sep 30 2014, 02:10 PM


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