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Matthew Wright

An Easier Way to Troubleshoot Trailer Wiring and Lights

By November 9, 2010

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Troubleshooting wiring problems is never fun. Troubleshooting trailer wiring is the worst. Trailer wiring may be simple, but most of the time the troubleshooting is happening on the side of the road. If you're having problems with your trailer lights, or you anticipate some trailer wiring issues, you might want to check out this helpful troubleshooting tool. We tested it to see if it could make your towing life easier.

November 9, 2010 at 8:50 am
(1) mike says:

great tool to have. the last round to 4flat adaptor i bought had one built in. but you also need to take 2 9vbatteries in series and two small alligator clips, to use during the trailer check. this way you don’t need the tow vehicle hooked up, and can check individual litghts or circuits. [DON'T forget the ground]

November 10, 2010 at 2:53 am
(2) Discount New Cars says:

Really helpful and interesting stuff !
Added to my bookmarks straight away !
Discount New Cars

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