Jeep wiring; eight wires, four smaller gauge all white each having a yellow, green, blue or brown stripe, four larger, two black, one green, one red with white stripe. Trailer harness; four wires, yellow (turn signal/brake), white (ground), green (opposite turn signal/brake), brown (tail/running/license plate lights).
SOURCE: no tail lights
check to make sure you have park light power coming out of truck connector, if you do then check power at trailer lamp,may have bad bulbs, there two filaments in a bulb one for brake/signal and thr other for park lights.
SOURCE: Here's my problem...My truck has four wires for my
Well you have what is called a BUGGER.5 dont go into 4 so the problem is either the trailer is OLD and never had stop lights OR the white wire is your stop lights and it earths through the towball (but it shouldent ) so either someone has cut out the stop light wire .so check rear lights What colour is stoplight wire. As all DC wiring for trailers are 5or 7 core wires 5 for trailers and 7 for caravans..
Let me know how you get on Ron
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