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Old 01-20-2018, 11:05 AM   #1
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Toad wiring help

I bought a toad with the tail lights wiring already installed. If I hook my coach R turn to the toad toad R turn, the coach R turn doesn't work. Unplug the toad R turn, and the coach R turn works. The toad has the diod's connected to the tail lights. Any thoughts? Stan
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Old 01-20-2018, 01:01 PM   #2
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I would use a tester and check the harness from the coach to rule out a problem from there, test R,L,Brake, etc. If all is good then its the toad wiring that you will have to go through to locate the problem.
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Old 01-20-2018, 01:30 PM   #3
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Might have the ground and voltage wires swapped on the toad. Also make sure your grounds are true ground wires and not relying on the hitch.
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Old 01-20-2018, 03:48 PM   #4
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Any possibility that one diode on the right was installed backwards?
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Old 01-21-2018, 05:40 PM   #5
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Took me most of Saturday, but I found the problem. Finally I had blinker current to the bulb, but the bulb didn't light up. I see all bulbs have the same ground wire, I used a jumper to put a ground to that wire, and both side lights worked. I don't work good on my back anymore, so I just added another ground wire. Thanks the reply's. Stan
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Old 01-24-2018, 06:49 AM   #6
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Congratulations!

90% of the electrical problems I have had in autos and RV's have been caused by a bad ground wire/connection.
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