Wiring battery combiner into 7 pin harness
Hey everyone. I've got my truck camper permanently on my 1998 GMC K3500 and unfortunately cannot easily access the 7pin harness to unplug when it is off the truck. I quickly realized that with it full...
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Yeah that works. Pulling the right fuse. Although a battery combiner (voltage sensing relay) would work too, automatically.
Idk which one you have as apparently it’s censored on here , lol , but the ones I’m familiar with are heavier duty than the little charge wire and current going to your trailer plug.
Have had a Blue Seas combiner in our boat for years. It’s great. Automatic charging when engine running and almost instant disconnect once engine is off.
What you are planning is literally hands off if you are frequently driving and want to take advantage of the bit of charging you get from the truck.
If you’re just doing it to keep from killing truck batteries and not relying on any charging while driving the easier thing is just keep the 12V wire or fuse disconnected from the camper.
There’s other options too like put an ignition triggered relay in line to the trailer plug. (Low tech version of the combiner.
Idk which one you have as apparently it’s censored on here , lol , but the ones I’m familiar with are heavier duty than the little charge wire and current going to your trailer plug.
Have had a Blue Seas combiner in our boat for years. It’s great. Automatic charging when engine running and almost instant disconnect once engine is off.
What you are planning is literally hands off if you are frequently driving and want to take advantage of the bit of charging you get from the truck.
If you’re just doing it to keep from killing truck batteries and not relying on any charging while driving the easier thing is just keep the 12V wire or fuse disconnected from the camper.
There’s other options too like put an ignition triggered relay in line to the trailer plug. (Low tech version of the combiner.
