Forum Discussion
BFL13
Jan 14, 2021Explorer II
Our 5er had about 45 ft (one way) of #6 between battery and DC fuse panel and everything worked no problem. They went up and down via the ceiling, crazy way to do it :)
You might have 20 ft one way from right front of bed to say back of camper left side and up some, so you could use #8 wire for your amps (20ft red and 20 ft black)
You have to forgo proper balancing and use the OEM battery to take the load/charging wires and have the one in the truck bed as a "downstream battery" in parallel, but this is not a big deal with low amp draws.
The wiring can just go along the truck bed and the camper can sit on it, won't hurt anything.
You can toss the 27 in the front right and put in a pair of 6s if they will fit, and get some good AH.
The inverter wiring to the 27 up front might be too far to reach the OEM battery box with the other loads. I have "tapped" into a single 12v in a parallel set with the main loads on another of the 12s and it all worked. "They" say put all the load wires on the same battery posts but I am not sure why that is necessary. So you could leave the inverter on the pair of 6s IMO (others can comment on that if it is a bad thing-if they say why it is bad--)
You might have 20 ft one way from right front of bed to say back of camper left side and up some, so you could use #8 wire for your amps (20ft red and 20 ft black)
You have to forgo proper balancing and use the OEM battery to take the load/charging wires and have the one in the truck bed as a "downstream battery" in parallel, but this is not a big deal with low amp draws.
The wiring can just go along the truck bed and the camper can sit on it, won't hurt anything.
You can toss the 27 in the front right and put in a pair of 6s if they will fit, and get some good AH.
The inverter wiring to the 27 up front might be too far to reach the OEM battery box with the other loads. I have "tapped" into a single 12v in a parallel set with the main loads on another of the 12s and it all worked. "They" say put all the load wires on the same battery posts but I am not sure why that is necessary. So you could leave the inverter on the pair of 6s IMO (others can comment on that if it is a bad thing-if they say why it is bad--)
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