Quote:
Originally Posted by Ann-Marie
Cool, thanks Craig, I'll go hunt it down.
I've sold over 100,000 bi-directional battery charging/isolating switches over the last 30 years, mainly for marine but about 5% for RVs. I'll finally get to use one .
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I didn't mention it as the best solution is one that is automatic. However I keep a small jumper wire with two alligator clips and connect one side to the right relay's large terminal (goes to the coach battery) and the other to the right small terminal which engages the relay (the relay type is a continuous duty relay). That way when on shore power both the chassis and coach batteries are tied together and that keeps the chassis battery charged. I think somewhere in the forums here is a few pictures of what I am talking about. Basically it is similar to holding down the aux (emergency) start switch on the lower left side of the dash. I don't necessarily recommend this approach but it does serve my needs until I have time to do something different.
Another option, is just turn the ignition key on which will also tie the batteries together (engages the isolation relay), I have done that prior to using the jumper wire, but I prefer not to do that as doing so turns on more than just the relay, but something you could do every now and then and you should see the chassis battery voltage start climbing when the key is in the on position and you are plugged into shore power. ~CA
What year make\model greyhawk do you have?