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post #1 of (permalink) Old 08-18-2004, 01:22 AM Thread Starter
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OT Trailer Wiring

I re wired a trailer today for a friend. I replaced the new wiring exactly as the orignal was. Well the end result is that when you turn on the turn signal regardless of which way, both tail lights flash.

There were two wires that were wired together at the pig tail, so I am betting they are the problem but the question is whear do they go? It is a 4 wire system. 1 wire (White) goes to ground.
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post #2 of (permalink) Old 08-18-2004, 10:45 AM
 
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Re: OT Trailer Wiring

4 wire system

white you say to ground wire #1
tail lights wire #2 These 2 should be wired together (the 2 lights)
brake/ left turn Wire #3 left light
brake/ right turn Wire #4 right light

There should be 2 or 3 wires from each light

only 2 wires the light grounds to frame one wire brake/turn one wire tail lights

3 wires the lights ground through wiring one wire ground one wire brake/turn one wire tail lights
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post #3 of (permalink) Old 08-18-2004, 06:42 PM Thread Starter
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Re: OT Trailer Wiring

Funny thing I re hooked it up this morning while it was still dark and they work right, I am thinking that when I checked them before the running lights were on and jeep not running, I bet the flash I saw in the opisite was just voltage draw from the other one flashing,,,, Or maybee not but it is wired like you recomend...
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post #4 of (permalink) Old 08-18-2004, 08:27 PM
 
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Re: OT Trailer Wiring

To stay within the proper color code etiquette let me ad to this. [img]images/graemlins/deal.gif[/img] [img]images/graemlins/wink.gif[/img]

white = ground-you say to ground wire #1
brown = tail lights wire #2 These 2 should be wired together (the 2 lights)
yellow=brake/ left turn Wire #3 left light
green = brake/ right turn Wire #4 right light

I always hate having to deal with trailers when the color code isn't followed. [img]images/graemlins/cussing.gif[/img]
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post #5 of (permalink) Old 08-18-2004, 09:09 PM
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Re: OT Trailer Wiring

I'd guess bad ground, possibly on the tow vehicle, possibly at the connector. If you have a poor ground, current will backfeed through the bulb filaments that are off and to ground through a bulb on the same circuit that has a good ground.
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