I’ve got a long bed so I can get to the connector easily. It unplugs pretty easily. I’ve seen videos where you need to remove the spare tire on standard beds to reach the connector. Once unplugged the tailgate come off just like any truck (not a fancy power tailgate). I bought a camera setup to plug in and protect the plug and will mount to the back of the camper. Chevy should have supplied a dummy plug like I had in my Ram. I don’t think dummy plugs are even available to buy
Bob 3500HD replied to Flash23's topic in 6.6L Gas V8 & HD Transmission Powertrain (L8T/MYD)NY to SC and back going 70-80 got 15.8 according to the truck electronics. I didn't keep track of the actual gas input.
Surprised there is nobody complaining about the gooey frame coating. I installed torquelift camper tiedown brackets and ran some wiring and it is pretty messy. Have to wipe it off the tools and scrub off my hands and arms. Maybe mine is extra gooey? Hopefully this coating does a good job preventing rust. I picked up a can of the repair spray and hit some of the areas where it was scraped off when they assembled the truck.
If you’re not pulling from the truck battery you shouldn’t have to worry. If so, it draws from the secondary battery and leaves the primary fully charged
I'm just guessing now because the wiring harness is all a big bundle. But it would make sense that the 100A is the 100A at the other end at the secondary battery. Also, the 175A probably goes to the main fuse box. There's a heavy gauge line that hooks up there.
To confirm what George said I checked the power lead in the 7 pin with and without the 30 amp connection off the secondary battery being connected. Just like was described, the 30 amp lug off the secondary battery supplies the power to the camper with the battery isolated with the truck off. Thanks everybody. I think this is solved.
If the starter battery is drained by my camper with the truck off I don’t see how the secondary battery can start the truck through that 100 amp fuse
Here is the fuse layout on the starter battery. The 400 amp goes to the starter. The 250 is the alternator. The others disappear into the wire harness
Nothing in the owners manual and I've searched my ass off on the web. Seems like GM would have some sort of written explanation published somewhere
There is an isolator. But it looks like it’s on the secondary battery. I’d just like to understand how the whole thing functions. For example, which battery drains
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