Forum Discussion
nimblewill
Jul 04, 2013Explorer
Dr Quick wrote:
Try this with your trailer battery connected. When you look at the connector from the trailer and the "index" it up, the 11 o'clock position is the hot or 12 volt to your trailer battery. Use a small jumper wire from 11 to 1 and the running lights will come on and also the tail lights. Go to the 9 or 3 position and the brake/turn lights should come on one at a time. It lights come on, the problem is in the truck, if not, the problem is in the trailer wiring. If tail lights or turn/stop lights do not work, it could be a bad ground to the rear lights.
Two other vehicles have been hooked up to it and the trailer lights have worked properly. The only thing left to check is the fuses. I have checked them before.
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