Question regarding DC to DC Chargers
I am installing a Renogy 20-amp DC to DC charger. My question is regarding the negative cable connections. The instructions say to connect the input negative cable to the chassis battery and the outpu...
Forum Discussion
Son of Norway wrote:
My chassis battery is a good 15 feet away from where I'm mounting the charger and it would take some tricky cabling to get it there. Both the chassis battery and the house batteries are grounded to the frame. The charger will be right next to a negative post on the frame. What difference would it make if I just connected both of the negative cables of the charger to the same post? Can this cause a problem?
Ground is not ground, especially if you are going to use chassis at the rear of your vehicle. Don't ask me to explain it, I have CRS !
Does matter ? Not really ! As long the voltage at the "vehicle battery" wire going into the charger and the point you are goinG to use meet the minimum in the specifications. This is the beauty of a DC-DC charger !
