porthole
Retired
FWIW, 5 yrs ago on our first attempt to boondock not really knowing the BH batteries’ capabilities, we drained them dead overnight!!!
Without returning to town for a generator or new batteries, my only option was the truck’s alternators to provide a charge.
I started the SD, plugged in the 3010, and let her idle for an hour or so several times a day for the duration. Was able to provide enough current to the lights and refrigerator so we didn’t lose any foodstuffs
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I think we may have seen that last weekend
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Ya I going to make a pig tail test cord to put in between the truck plug and the trailer cord . That's been on my tado list for a while now.
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While you are at it then:
Make a jumper (spare 7-way plug) and wire in an incandescent bulb, (cheap automotive bulb and socket, 1156 bulb) to the brake actuation circuit.
Mount it somewhere where you can see the bulb (mirror) and go for a ride.
You may be surprised at what you see with the brake activation. Compare how fast the bulb lights, delays, 'ramp up' speed etc.