Charging the camper battery when driving
I'm trying to wrap my head around this one. We just finished up a weekend at a campground about 3 1/2 hours away. When we're pulling out, I switch the fridge over to 12v to keep it cold. I had the hit...
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All my RV/TTs have a trickle charger wire - from TV's Battery to RV's Battery. For this circuit, I use a thick 10 gauge wire (battery to battery) and use 40 Amp breaker near the TV's battery as well. Its a "trickle charger" and only works when its 7-pin connector is connected to the RV.
For some TVs, they install an isolator unit. This module is installed within the TV's engine area and is active only when the TV's ignition key is turned ON. This isolator unit stops the TV's battery from over draining - if one parks the TV/RV combo (turns the key off) and forgets to pull the large 7-pin connector.
If your TV to RV's "trickle charge" wire isn't working properly, suggest using a 12 Volt test probe and test is from end to end - with the TV's key turned ON (in case an isolator is used within your TV).
As others suggested, run fridge on LP when traveling. If this sounds too scary, simply pack your fridge items in coolers. Then, load with block ice. This worked for me - when I towed < 3 hours.
Hope this helps.
All my RV/TTs have a trickle charger wire - from TV's Battery to RV's Battery. For this circuit, I use a thick 10 gauge wire (battery to battery) and use 40 Amp breaker near the TV's battery as well. Its a "trickle charger" and only works when its 7-pin connector is connected to the RV.
For some TVs, they install an isolator unit. This module is installed within the TV's engine area and is active only when the TV's ignition key is turned ON. This isolator unit stops the TV's battery from over draining - if one parks the TV/RV combo (turns the key off) and forgets to pull the large 7-pin connector.
If your TV to RV's "trickle charge" wire isn't working properly, suggest using a 12 Volt test probe and test is from end to end - with the TV's key turned ON (in case an isolator is used within your TV).
As others suggested, run fridge on LP when traveling. If this sounds too scary, simply pack your fridge items in coolers. Then, load with block ice. This worked for me - when I towed < 3 hours.
Hope this helps.
