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05-07-2014, 08:10 PM | #1 |
Another Day, Another Dollar
Join Date: Nov 2008
Location: North Vancouver, BC
Posts: 1,316
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Rear light wiring color codes
http://www.73-87chevytrucks.com/tech...s_rr_light.jpg
I'm re-wiring my tail lights and at the same time installing a 7 pin trailer plug on the back of my truck. There are 4 wires that come out of the fuse block: Light green Dark green Brown Yellow. From what I can tell in the avove diagram brown is running lights, from my cloudy memory light green is backup lights, and from what I can guess yellow and dark green are left and right signals / stop lights. Does this sound about right? I'm going to run a 7 wire bundle of 12 or 14 ga. Wire to where the spare would go, feed it through a weatherproof junction box and then straight to the tail lights. I'm also going to run fused wires out of the junction and into my 7 pin trailer plug. I'm also going to hook up a trailer brake and a switch controlled solenoid controlled ignition controlled off of the aux slot in the trailer plug for intermittently charging my camper's deep cell batteries I like wiring
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-78 K20 Cheyenne 454 long box, 4" lift, 35" MT's, '84 cab, '80 box "its hip to be square" Last edited by willett; 05-07-2014 at 08:15 PM. |
05-08-2014, 12:57 AM | #2 |
Registered User
Join Date: Jul 2011
Location: WV
Posts: 946
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Re: Rear light wiring color codes
As far as the charging on a 12 or 14 ga wire, I don't think that will do what you are looking for. IIRC the wire off the alternator should be 10ga. The run from the front of the truck to the back and then to the trailer should be a bit larger. Just like an extension cord. I might look at a 8ga or maybe 6ga.
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72 GMC C2500 402/Th400 first truck (still have) 77 GMC C3500 CC dually Sold 70 C50 dump truck "Rusty" 87 K10 Suburban Sold 93 K2500 xcab 6.5TD 96 GMC K2500 Suburban 6.5 TD |
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