Truck remote start and TC battery charging
When I got my TC, I had the dealership install the wiring for TC hookup under the bed. I added remote start as a feature to the truck when I bought it specifically so I could charge the batteries with...
Forum Discussion
The bottom line is, the alternator on any vehicle is designed to charge the starting battery. Period. END OF DISCUSSION. Heavy gauge wire will not help much to fully charge a house battery.
If you want to charge a house battery you need a special device called a DC-DC Boost Converter that will bump the voltage up to over 15V (regardless of the input voltage) and then a multi-stage solar charge controller connected to the house battery. Both of those devices have limited current capability so recharging a depleted house battery will take many hours.
Not entirely true. On my GM trucks back to 2009, the owners manual says driving in towhaul or turning on headlights will send full charge to trailer plug regardless of truck battery fully charged regulator issue.
