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Old 05-02-2011, 01:50 PM   #1
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Tail Light Flasher not working

My Rear Tail Light Flasher stopped working a few weeks back, the brake light works, but the flasher light doesn't. I have put 2 new bulbs in it, and am still having the same problem. Any suggestions
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Old 05-02-2011, 02:57 PM   #2
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Hello sniperx4
Could you give some more info, does your tow vehicle function OK, the fact that the brake lights work would suggest the bulbs are OK, and could be a connection issue, or a flasher issue with your tow vehicle. One way to check the turn signal flasher is to try using your emergency flasher, on some vehicles this is a differnt flasher. So if it works with your '4 ways' but not your turn signal than I would suspect the turn signal flasher.
If not, start with checking your wiring at the tow vehicle plug and then work your way back. My Jayco has a wiring box on the outside front of the trailer, maybe a problem in there, it's easy to get to at least.
Hope this helps
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Old 05-02-2011, 03:45 PM   #3
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SniperX4, check the actual connection that the bulbs plug into. I had this problem and somebody here told me to check for corrosion in the plug recepticle. Was corroded, so got some emery cloth and needle files, cleaned it up, and working 5 x 5 now.
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Old 05-02-2011, 04:15 PM   #4
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Wires

I tested on another trailer and works great. It's not my vehicle. Onthe tail light there are 3 wires. White black and green. I assume white is ground. I cleaned corrosion. And still flasher doesn't work. Any more suggestions
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Old 05-02-2011, 07:17 PM   #5
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On one trailer I had, it gave me greef where the wire hooks onto the socket in the tail light. I don't know if this would apply to the Jayco, but it's worth checking. I found it by wiggling the wire at the socket while the signals were running.
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Old 05-02-2011, 08:56 PM   #6
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First of all sniperx4 - Welcome to the Forum! Lots of good folks here that can help you out! Be sure to come introduce yourself in the new member forum when you have a chance.

Couple of ideas on the lights. First off -- get the 7 pin wiring diagram off the internet. If you plug the 120 volt into the trailer and power the converter, you can actually test the lights without a TV. Make yourself a short jumper wire with a 5 amp fuse inline (must use fuse!!). Then jumper the (+12) pin with the light you want to test. Works great and isolates the TV from being the problem.

Other place to check is in the junction box where the 7 pin cable gets broken out.

Good luck!
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Old 05-04-2011, 06:51 AM   #7
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Wiring

Any idea where to find the wiring diagram for 2007 Jayco EXP 17h?? Looked all over and cant find it.
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Old 05-04-2011, 07:54 AM   #8
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Quote:
Originally Posted by sniperx4 View Post
Any idea where to find the wiring diagram for 2007 Jayco EXP 17h?? Looked all over and cant find it.
You wont ever find one... they make too many changes during the production run to ever print one.. you just have to trace wires...
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Old 05-05-2011, 08:35 AM   #9
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Quote:
My Rear Tail Light Flasher stopped working a few weeks back, the brake light works, but the flasher light doesn't.
If the Brake light works, the signal/flasher lamp should work. It is the same filament in the bulb and the same wiring path used all the way to the tow vehicle interconnect cable.

Does it have the standard 7-pin connector jack? Some vehicles have separate lamps and circuits for the brake and signals. Possibly dirt or oxidation on the connector?
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Old 05-05-2011, 09:49 AM   #10
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I was going to say check if you have a separate fuse for the trailer plug in the fuse panel on the TV. My 2006 Silverado has a fuse for this which blew on me and caused some grief before I found this out.


I see though where you say it worked on another trailer so that would rule this out.
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