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Old 05-26-2015, 05:19 PM   #1
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Master Tow wiring

the connector on my Master Tow dollie came unplugged and drug on the pavement destroying it. My Dollie has electric brakes. I have replaced the connector but have a question. The dollie has three ground wires that are connected together within the original molded plug making them all three "Common". The tow vehicle has only one ground wire.
When I cut the damaged connector off of the dollie it left me with three seperate white ground wires on the dolly.
Should I tie all of these ground wires together? Or should I tie only one of the tow dollie grounds to the single ground on the tow vehicle?

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Old 05-26-2015, 05:54 PM   #2
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Either way will work, what's easiest for you?

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Old 05-26-2015, 05:57 PM   #3
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You could tie all three into one and run that wire into the plug.
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Old 05-26-2015, 07:11 PM   #4
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Old 05-26-2015, 07:46 PM   #5
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Thanks to all who responded. You confirmed what I had figured. Evidently Master Tow ran separate ground wires for the tail light, turn lights and the electric brakes then tied them altogether inside the original molded plug.
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Old 05-27-2015, 08:05 AM   #6
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tow, wiring

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