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Old 07-30-2019, 11:11 PM   #41
Rivet Master

2007 22' International CCD
Corona , California
Join Date: Jul 2013
Posts: 8,524
Connectors to charge TT from TV battery

To solve the shunt bypass problem, Consider putting the negative jumper lead on a clean steel part of the trailer frame instead of direct to the battery post.

Be aware that this depends on the ground lead from the trailer side of the shunt being big enough to handle the current.

If you have a wimpy 10 gauge DC bare copper ground lead like I currently do, donít try it.

I plan to ground the heck out of the trailer side of my shunt with a chinky big cable when I crawl under the front bed to hook it up...
Rich, KE4GNK/AE, Overkill Engineering Dept.
'The Silver HamShack' ('07 International 22FB CCD 75th Anniversary)
Multiple Yaesu Ham Radios inside and many antennae sprouting from roof, ProPride hitch, Prodigy P2 controller.
2012 shortbed CrewMax 4x4 Toyota Tacoma TV with more antennae on it.
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Old 07-31-2019, 07:23 AM   #42
3 Rivet Member
Springtown , Texas
Join Date: Aug 2016
Posts: 125
Originally Posted by tvoneicken View Post
One downside that occurred to me about the jumper cable is that the current will not go through the shut used by the Trimetric battery monitor, so its info about the battery state will be a bit off.

If you are as much a geek as I am charging around the shunt will drive you crazy!

On my initial solar install I wired my inverter around the shunt (shunt capacity wasn't big enough) and every time I had the inverter on it was like i was driving in a car at 80 mph with the windshield painted black...

Why not just run a cable from the load side of the shunt out to temporarily clamp the jumper cable to? You could convert it to a Anderson connector later or if you want to keep the jumper cable method put a post on it. They come in +/- sets so you could install them on both with breakers to limit accidents.
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