![]() ![]() It makes me think though "how many people set their fridge to 12V while they are travelling thinking the fridge is being run on 12V and it is not happening because their tow vehicle has not been modified? So given it comes from the reversing pin on the trailer plug this would also mean that the tow vehicle would have to be modified from "the norm" such that this pin supplies the charging voltage from the tow vehicle - but maybe this is "normal" if towing a caravan with a 7 pin plug. ![]() The way it is wired if this is the case would also mean it cannot be run from the house battery as the diode blocks that from happening. I am a novice at this but of course the only time you would run the fridge on 12V would be while travelling and I have probably read that when I think about it - imost fridges would not run off the house battery for very long would they unless you had serious house battery capacity. I wondered if that would possibly be the case and that would make sense now that you have made me think harder about it. Saturday, at 22:36Thanks Bob - you have given me something to track down tomorrow. I would like to know where the mystery cabls goes before I start changing things. I am seeing why Collyn Rivers and other forum articles refer to inadequate wiring in vans. I am not looking to change much but want to improve the house battery charging system. My project is starting to come together and now I am playing with the 12V system on a Jayco 2001 Westport - and before we start "yes I am qualified to do what I am doing". It comes from pin 2 on the trailer plug (reverse light) but there are no reversing lights on the van. I am hoping someone might be able to tell me where the 2nd cable might disappear to within the van. In the wiring coming from the trailer plug there is a heavier black wire that connects under the van to 2 of the same gauge wires that both disappear into the van but only one appears in the wiring loom above this point that goes via a diode to apply positive voltage from the tow vehicle to the house battery/CS2000 converter system that is still factory standard it would appear. With its easy-to-follow instructions and high-quality construction, this diagram is sure to make any trailer wiring project a success.Hi all - hope someone has some info for me.īefore the explanation that follows the question is this: Overall, the Jayco 12 Pin Trailer Plug Wiring Diagram is one of the most comprehensive diagrams available, making it a must-have for anyone looking to install or repair trailer wiring. The color-coded wires make it easy to follow the diagram, while the included hardware makes installation a breeze. The Jayco 12 Pin Trailer Plug Wiring Diagram is robust and durable enough to withstand any weather conditions, so it's perfect for use in any environment. This makes the diagram an invaluable tool for any trailer installer or owner. The Jayco 12 Pin Trailer Plug Wiring Diagram also includes helpful diagrams and instructions for common trailer wiring tasks such as connecting the trailer brakes, lights, and turn signals. This makes it easier for both novice and experienced installers to properly install the wiring. Each pin is clearly labeled with its purpose, so it's easy to identify the correct wire for each connection. It clearly shows the wiring for all 12 pins and the associated components. ![]() The Jayco 12 Pin Trailer Plug Wiring Diagram is one of the most comprehensive diagrams available for both commercial and residential trailer applications. Whether you're a professional or just a weekend DIYer, having a reliable and easy-to-read diagram can make all the difference when it comes to getting the job done right the first time. When it comes to trailer wiring, the Jayco 12 Pin Trailer Plug Wiring Diagram is an essential tool to have on hand. ![]()
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