8 Gauge Wire
Got 25' of red and black 8 gauge copper wire, a 40 amp breaker and some lugs. I plan on wiring this truck correctly for the 12v frig. I hate to admit I never wired the three previous trucks correctl...
Forum Discussion
Optimistic Paranoid wrote:
As to whether you can successfully charge house batteries from the alternator with heavier wires, I see different results posted in forums....
Different results for different use.
I run fridge on propane and drive long distance.
Truck system keeps my camper batteries topped up all the time.
But I don't boon-dock for more than 1 night and my batteries are never deeply discharged.
The 10 ga factory wire is limiting the current and gives voltage drop at higher amps. When it slows full recharge of camper batteries, it makes self-protection.
As I wrote above, I was considering running 2 ga cables to the camper, but vision of camper batteries discharged to 10V level and shooting 200 amp from dual alternators via heavy gauges is not passing my smart test.
