by eamarquardt » Sun Dec 13, 2009 4:59 pm
Here is what I would do:
1. Disconnect trailer
2. Make sure all relays and fuses are intact
3. Check Jeep to see if everything works on jeep w/o trailer being hooked up. Check lt, rt (these usually use the same filiment as the brake lights), and tail lights .
4. Then check trailer connector with a real bulb. Bulbs draw more current than leds and make high resistance connections easier to identify. Perhaps use a spare connector with a bulb wired to it for each test. Check rt, lt, and tail lights.
if no: require dealer to fix jeep for no charge!
if yes:
1) pull all bulbs from trailer lights
2) check rt, lt, and tail light wires to make sure no continuity to ground. If there is, fix short, and retest
3) replace bulbs and use 12 volt battery and jumper wires (maybe with a ten amp fuse in line) to test rt, lt, and tail lights wtihout being hooked up to jeep.
4) if all tests good, the jeep and trailer should work when hooked together.
My Ford van has a special set up and the the "big computer in the sky" turns on a warning light on the dash when it detects a burned out bulb. Had to buy an $80 interface to hook up a trailer so it wouldn't damage the van's electrical system because the bulbs are always "hot" (have 12 volts to them) and they are turned on by grounding the downstream lead as opposed to turning on the voltage to the bulb. If the computer doesn't see 12 volts on the downstream side of the bulb all the time the bulb is burned out and the "computer" figures this out and turns on the warning light. I doubt this is your problem as you have one side that work's ok but you might ask the dealer to be sure.
Re the post above. I cleaned my wife's car and her radio stopped working. Display read: TEL, and the radio wouldn't respond to any buttons. I figured the radio needed a "boot" so I disconnected the battery and reconnected it. Radio then worked fine. THEN I "yelled" at #1 wife for blaming me for breaking her radio as its locking up probably had nothing to do with my cleaning her car. She did say her car looked nice.
Hope this helps.
Cheers,
Gus
The opinions in this post are my own. My comments are directed to those that might like an alternative approach to those already espoused.There is the right way,the wrong way,the USMC way, your way, my way, and the highway.
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