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Old 02-09-2008, 10:39 AM   #1
cj66c10
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Question GM Column help

Does anyone know where I can find a wiring diagram of the harness coming out of a GM Tilt column? I have no idea what year the column is, it was in the truck when I bought it.
thanks,
CJ
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Old 02-09-2008, 10:56 AM   #2
89 crew
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Re: GM Column help

With pictures someone can probably identify the column. from there you should be able to find the diagram you need.
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Old 02-09-2008, 11:45 AM   #3
cj66c10
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Re: GM Column help

I will try and get some pics. It is a flat rectangular plug with 10 wires in it.
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Old 02-09-2008, 12:25 PM   #4
slepysal
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Re: GM Column help

try this http://www.ididitinc.com/instructions.htm
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Old 02-09-2008, 02:27 PM   #5
kdrodworks316
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Re: GM Column help

color function
black horn
light blue left fr signal
blue right fr signal
brown hazzard
purple flasher
yellow left rear signal
green right rear signal
white brake switch

there are 2 sizes of connector: 3 7/8 and 4 1/4
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Old 02-11-2008, 05:54 AM   #6
cj66c10
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Re: GM Column help

Thanks for the info. I was able to get the turn signals working earlier today. Now the only problem is they won't flash when the headlights are on. It had a new wiring harness "installed" by the previous owner.
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Old 02-14-2008, 10:25 AM   #7
cj66c10
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Re: GM Column help

any ideas why the turn signals stop flashing when the headlights are on or the brake lights come on?
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Old 02-14-2008, 12:02 PM   #8
89 crew
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Re: GM Column help

I would guess a bad ground. I would start looking for it at the tail lights. Take a long piece of wire. I use an old extension cord with the ends cut off. tie one end to the neg terminal of battery then the other to the rear grounds. then test to see if the problem is still there. Does all the lights work? do they all seem to be bright and even?
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Old 02-14-2008, 12:57 PM   #9
cj66c10
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Re: GM Column help

they all look pretty bright, right rear may be a little dim. thanks for the info, I'll try checking the grounds
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