trailer 7 pin plug how to test

http://rv-mobile-services.ca/ Testing 7 pin plug on a travel trailer the easy way. The seven pin plugs are often problematic, but here's an easy way to test the trailer end of the plug.

Category:

Autos & Vehicles

Tags:

• 7 pin trailer wiring
• 7 pin trailer plug
• trailer wiring
• 7 wire
• 7 wire trailer wiring
• 7 way RV plug
• seven pin
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• trailer lights
• travel trailer lights
• 7 pin plug

[sunfacts]

@RescuePits1 Glad you enjoyed it. Thanks for taking the time to comment.

[RescuePits1]

Cool video. Thanks for sharing.

[sunfacts]

@Viol3ntSolution .. Usually the power pin of the plug (the thin black wire) goes straight to the thick black wire at the battery and acts as a trickle charger wire when on the road and plugged into the tow vehicle. So yes, the thick black wire on the trailer and the thin black wire of the plug are connected together. That is where the power comes from. Does this answer your question????

[Viol3ntSolution]

how can the first phase of this work? where do you connect power from the battery to the trailer to get power from the power pin of the connector? am i missing something?