How to Run Maintenance Charge From Tow Vehicle to Trailer Battery
Question:
Hello i would like to charge my trailer battery from my truck i have run a wire from the possitive on my truck battery, straight to the 7 pin, female plug at the back of my truck does that connect directly to the possitive end of the trailer side battery? possitve truck side -to- possitive trailer side or do i need something in the middle ? im not sure exactly where to go from here thanks so much nick 1982 camper trailer- deepcylce marine battery 1996 f250
asked by: Nick P
Expert Reply:
People run maintenance charges through the 7-ways of the vehicle and trailer all the time exactly like how you described. A 10 gauge wire basically like part # 10-1-1 run from the battery of the vehicle to the battery of the trailer will give you a maintenance charge as you are towing. This is the easiest and most effective way to do this and you don't need a charger anywhere on the line. This charge will only be whatever your alternator is putting out that isn't being used by your vehicle so it is basically just a maintenance charge.
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NOCO Genius Smart Battery Charger - AC to DC - 6V/12V - 5 Amp
- Battery Charger
- Battery Charger
- ATV
- Boat
- Car/Truck/SUV
- Generator
- Jet Ski
- Lawn Mower
- Motorcycle
- RV/Camper
- Snowmobile
- Trolling Motor
- 120 Ah
- Charges/Maintains
- 6V
- 12V
- Wall Outlet to Vehicle Battery
- NOCO
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