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Old 10-25-2011, 04:05 PM   #1
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Back up lights stay on constantly

I have a 1977 Tradewind and my back up lights are constantly on when hooked up to my truck with 7-way connector. Does anyone know why this happens or experience the same problem? Thanks for you help.
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Old 10-25-2011, 04:10 PM   #2
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Modern 7-pin connectors aren't mapped the same way that Airstream set the pinout on the umbilical. You'll just need to swap some wires around on the trailer side of the connection. The standard pin-out pattern is available all over the place (e-trailer, etc.)
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Old 10-25-2011, 05:43 PM   #3
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I revamped the seven way until the running lights were the lights to remain on. No back up lights working, but when I brake they work and the brake lights work. I can live with this unless there are better options.
Thanks so much! Steve
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Old 10-25-2011, 06:25 PM   #4
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I revamped the seven way until the running lights were the lights to remain on. No back up lights working, but when I brake they work and the brake lights work. I can live with this unless there are better options.
Thanks so much! Steve
Ahhh. That's what happened to mine when I had someone update my umbilical. I ended up removing the bulbs from the back-up lights because I figured it would scare the crap out of someone behind me when at a stop light. "Oh no, that woman driver is going to back-up over us!"

Laura
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Old 10-25-2011, 07:06 PM   #5
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I had that problem when I bought a 78 years ago! Power feed was to back up lights, brakes were hooked up to back up lights. discovered when we tried to back the trailer. Change trailer end to conform with new standard!
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Old 10-25-2011, 08:24 PM   #6
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I revamped the seven way until the running lights were the lights to remain on. No back up lights working, but when I brake they work and the brake lights work. I can live with this unless there are better options.
Thanks so much! Steve

Now I imagine you have the charge wire crossed with the running lights. Do the running lights only come on with the tow vehicle ignition switch turned on? Or are they on all the time the 7-way is plugged in? Does your breakaway switch work? Power jack have power?

It's easy to get everything right and it's a one time effort. For me it's worth a little time to get everything right . . . especially with towing lights. My .02
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