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#1 |
Registered User
Join Date: Mar 2008
Location: Sharpsburg GA
Posts: 136
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Clearance Lights
Does anyone know if they are making repoductions of the wiring harness going from the light switch up to the clearance/running light on top of the cab?
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#2 |
Old Skool Club
![]() Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Clearance Lights
Don't know, but try www.wiringharness.com. This is M&H Fabricators in CA. They make reproduction wiring harnesses for these trucks with correct colors, guages and connectors. They, in my opinion, are your best bet.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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#3 |
Registered User
Join Date: Mar 2008
Location: Sharpsburg GA
Posts: 136
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Re: Clearance Lights
Thanks for the response I will check them out. I may just pull the old harness out and make a new one myself.
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#4 |
Registered User
Join Date: Mar 2008
Location: Sharpsburg GA
Posts: 136
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Re: Clearance Lights
ChevLoRay, I just checked them out, according to their catalog they make make clearance/ marker/ running lights starting in 1973 and newer. I will give them a call tomorrow and see if they can make the harness for 72 and older trucks.
Thanks again. |
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#5 |
1967 Shortbed "Project Patina"
Join Date: Nov 2006
Location: Horneytown,North Carolina
Posts: 65
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Re: Clearance Lights
Crumley where does your wiring go thru the top of the cab on your truck. I think my truck had original clearance lights from the factory. When i bought my truck it had four or five on the cab( I cant remember it has been so long since I took them off) and one wire going up threw a small hole in the top left windshield portion of the cab. I hated to get rid of them but they had been leaking for years and rusted out the drivers side floorboard of the truck. As soon as i bought the truck i took them off. If where my wiring went threw the roof is correct I will look for another set and reinstall them.
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#6 |
Too many projects
Join Date: Mar 2004
Location: Fargo, ND land of the flat hills
Posts: 1,147
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Re: Clearance Lights
How do you get the wiring up to the lights? I'm trying to put a digital gauge above the mirror and can't find a route to put the wires. Thanks in advance.
EDIT: My bad, question answered as I asked. Good to go.
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Andrew 84 GMC C1500 SWB 6.2 Diesel/700R4/3.42 "Grandpa's odd duck" Last edited by lowrollin70gmc; 01-21-2009 at 09:33 PM. |
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#7 |
Registered User
Join Date: Mar 2008
Location: Sharpsburg GA
Posts: 136
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Re: Clearance Lights
lowrollinGMC and tgriffin27
The wiring to the 5 marker lights on top of the cab is routed thru the left side A pillar. Starting at the light switch it enters thru a hole just above the left foot well fresh air vent, up the center of the left A pillar. The way to access the wiring comming up the A pillar is thru the hole that the sun visor spring/pivot slids into (remove the left sun visor) and the hole in the top of the cab for the marker lights. This is going to be a bit of a pain getting this wiring out to repair or replace and pulled back in. I plan on tapeing a pull string onto the marker light wiring so while the wires are being pulled out there will be a string being pulled in the place of the wires. When the repairs are made I will tape the repaired wires to the pull string and hopefully pull the wires back into place. I hope that made since. |
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#8 |
1967 Shortbed "Project Patina"
Join Date: Nov 2006
Location: Horneytown,North Carolina
Posts: 65
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Re: Clearance Lights
It made alot of sense! Thanks for the info and when it gets warmer I am going to look and see if maybe I have some original wiring going up the A Pillar. The wiring I took out wasn't original at all but the holes in the cab seemed to be original and all where cut the same.
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#9 |
Registered User
![]() Join Date: Jan 2009
Location: highspire,pa
Posts: 423
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Re: Clearance Lights
I think Lmc makes a roof clearnce/marker light harness for the 67-72 chevy/gmc trucks.I rember looking at them for my truck,but i would like to see what they look like on the truck before i by a set. The trucks that came with clearance lights form factory didnt the roof have like pockets for the lights to set in
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#10 |
Registered User
![]() Join Date: Feb 2004
Location: Idaho
Posts: 4,034
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Re: Clearance Lights
It is extremely easy to reproduce the light harness yourself. If you have the old one to copy, only 2 wires, in a circuit.
Excellent info/idea for the string left behind to follow when you replace the new wiring harness.
__________________
"Remember, They can Kill You, but they can't eat You, That's against the law!!!!!!!!!" |
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#11 |
Registered User
Join Date: Mar 2008
Location: Sharpsburg GA
Posts: 136
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Re: Clearance Lights
10-4 LMC does have some clearance light repo parts but I didn't see a complete harness, so I ordered some light bulb ends and will repair my existing harness.
I am having to repair the wiring harness due to my stupidity while mechanically wire wheeling seamsealer out of the gutters..... The truck cabs that came factory with clearance/marker/running lights have pods stamped into the profile of the roof. I have attached some pictures hopfully the roof marker light pods can be seen. |
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