Why do I have no power at the trailer connector?

Why do I have no power at the trailer connector?

This should be hot when the truck key is in the ON position. If it is indeed hot, then you have a problem with the trailer, most likely a dead battery or a bad ground connection. It could also be that the trailer connector is wired for power on the center pin, which would actually be the reverse circuit on the truck.

Where is the 12 volt power feed on a 7 way trailer?

This process is outlined and illustrated in the linked article, in the section titled “Finalizing Connections for the Brake Controller”. The ring terminal for the 12-volt power lead for the 7-way trailer connector is located to the left of the power distribution box. It is taped to a wire harness under the power brake booster.

Do you need power feed for brake controller?

Some trucks do need an under-the-hood connection of wiring to activate the 12V trailer power feed and the trailer brake controller power input feed. This process is outlined and illustrated in the linked article, in the section titled “Finalizing Connections for the Brake Controller”.

Why is my Dodge Ram camper battery not charging?

There is no continuity from charging pin on back of truck and fuse.Camper battery not being charged.With truck running.Dodge ram and factory installed plug. I would use a circuit tester, like part # 40376, to check the 7-Way on your Dodge truck. As you look at the 7-Way on the truck, the pin in the 1:00 position is the 12V power supply.

Is it possible to charge a trailer battery?

You are more than welcome to try to charge your trailer battery straight off of the 12V power from your vehicle, but in our experience there is enough power lost that you’ll only get a trickle charge on the trailer battery.

Where is the trailer battery charge relay # 39?

You are the only person ON THE INTERNET that has accurately described where the Trailer Battery Charge relay #39 is located. Everyone else repeats what the owners manual says which is nothing. I was beginning to think this was some sort of secret. I checked where you described and found the relays missing, although the fuse is installed.

Is there a fuse for the trailer tow battery?

Fuse #16 (Trailer Tow Battery Charge) under in the engine bay fuse box was missing, so I swapped Fuse#18 (Power Seat, Adjustable Pedals) in for it and still nothing. I also pull a trailer with a runaway trailer brake, and I believe this wire provides the trailer battery to charge, and that would be a good thing to have!

Can a trailer battery be charged by a diode?

You should note that this won’t charge a dead battery, but it will keep the battery topped off when you are towing the trailer. A diode wouldn’t do that – they are just used to keep the trailer wiring from backfeeding to the tow vehicle wiring (as in if the trailer wiring shorts out it won’t damage the vehicle).