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Headlight electrical issue

Old Oct 31, 2011 | 11:52 PM
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Default Headlight electrical issue

Ok i did some searching but havent found what i was looking for. I went for a drive tonight and the trucks headlights will cut out when I tilt my wheel down. The fog lights will sometimes be the only ones on and sometimes they wont stay on. With the wheel the whole way up everything works fine. I didnt see any pinched wires anywhere so could it be a bad ground somewhere or a switch?
 
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Old Nov 1, 2011 | 04:03 AM
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That could be a faulty ground, but I would get the battery & alternator tested too. Low voltage can cause that stuff to go wonky in order to keep power to the plugs for basic operation. I would check all the major connections at the pos/neg cables at both ends because that can cause all this too. Baring that, I would say it is time to start tracing wires for shorts in the column. If it comes to that & you are not really into wiring, I would say go to an auto electric specialist for definitive answers. Let us know what you find!
 
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Old Nov 1, 2011 | 09:57 AM
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Pull the covers off of the steering column, and have a close look at all the wires there. Move the column up and down with the covers off, might just be pulling some wires loose as it moves.
 
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Old Nov 1, 2011 | 11:24 AM
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I gotta say....what a crap thing to happen while driving in the dark...on Halloween? LOL

I'd like to know how this works out given we got same year rigs.
 
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Old Nov 1, 2011 | 11:55 AM
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Yea it was a little weird. I was going down the road and went to adjust my wheel and BAM no lights.. I didnt seem to mind as much as the old lady did but o well.. Im gonna head out now and see what i can find. The battery terminals are brand new. Did them when it was gettin the transfer case changed along with a full tune up.
 
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Old Nov 1, 2011 | 12:42 PM
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You should start checking the continuity between all the terminals on the switches, grounds, power, headlight relays, etc. You'll need a manual with electrical diagrams and an ohmmeter and some patience. Test everything with the wheel in the position causing the problem.

Edit: You'll want to disconnect the battery and have the headlight switch in the "on" position.

Edit 2: Testing the relays will require driving power to their appropriate terminals then checking continuity to see if they are functioning properly (so I would check those last)
 

Last edited by grox; Nov 1, 2011 at 01:05 PM.
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Old Nov 1, 2011 | 02:06 PM
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Well I got it all figured out. I hate doing anything electrical but this was pretty easy. First i pulled all the covers off for the column and and removed all the electrical tape to check the wires. Didnt find anything there so I moved onto the plugs. Narrowed it down to the plug behind the highbeam/wiper/turn signal arm. Pulled that plug and found this.

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I pulled the connector out of the plug to be able to have some room to work.

Connector out.
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I put the wire back into the connector and put a little bit of solder on to help keep it in then put some electrical tape around the connection for some extra insurance.




With all that done I put the connector back into the plug and with the tape on there I used a small set of needle nose pliers and shoved it into the plug so it stayed nice and tight. Put everything back together and its all fixed now. I did discover that I had a 5 amp mini fuse blown for my illumination but thats not as much of a big deal as the headlights not working.

Hope this helps for anyone who could have the same kind of issue as I did.
 
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Old Nov 1, 2011 | 09:59 PM
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Thanks for sharing the fix man, glad it was a cheap one!
 
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Old Nov 1, 2011 | 10:47 PM
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Awesome! Glad it was an easy one.
 
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Old Nov 1, 2011 | 11:07 PM
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Yea it was simple besides needing 3 hands to put all the column pieces back together
 
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