TC Battery infomation over load
I have just spent the past 3 hours researching wiring info to charge the TC battery from alternator. I have already wired the truck a Dodge 3500 using #8 wire which some info suggest is 'good enoug...
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enblethen wrote:
Wire would come off relay to the input side of the diode then to camper.
The light would be connected to the output side of the relay, same location as wire going to diode. Then other side of lamp would go to ground.
There should be no power then on the output side of the relay.
Oh... I was also confused, as connection at output of solenoid is also where aux batt connection is. But it sounds though as suggestion is a diode Inline on the feed wire to aux batt from solenoid? Then anything (light) hooked between diode and solenoid would only see power from truck when solenoid engaged.
Likely need a heat sink for a 40 amp diode and an isolated place to mount.
Actually not a bad idea-seems a bit of effort just to 'see' charge functioning, though thats all my amp gauge does.
But inline diode would also solve any backfeed from camper to truck battery when solenoid engaged. Which in my case because I have a manual switch, is when I stall truck or something, solenoid is on, truck batteries lower than camper that camper will send power-but its only for a minute at most until alt gets up to 14+.
40 amp diode
diode w/heat sink
Unless Im also still misunderstanding and muddying the waters further.
