Pete1122 Posted March 27, 2014 Share Posted March 27, 2014 I have my alternator connected to my battery and not to my isolator, is that correct? My setup goes.... 1. Alternator to truck battery..... truck battery to isolator..... isolator to house battery. So my isolator has one connection to the truck battery, another to the coach battery and the third to a ignition wire. Is this correct? Quote Link to comment Share on other sites More sharing options...
fred heath Posted March 27, 2014 Share Posted March 27, 2014 Depends on your isolater. If you have the solenoid style with 2 large posts on top, it would go alternator to one post.Using same post run to engine battery. Remaining post to coach battery. Small screw post for ignition supply wire. You could also have a fourth screw post for ground. If you have a transistorized unit with 3 top posts, middle post would be alternator attachment, other two to engine battery and house battery . Quote Link to comment Share on other sites More sharing options...
waiter Posted March 27, 2014 Share Posted March 27, 2014 Pete, sounds right. john Mc 88 Dolphin 4 Auto (SOLD) Quote Link to comment Share on other sites More sharing options...
Maineah Posted March 27, 2014 Share Posted March 27, 2014 I have my alternator connected to my battery and not to my isolator, is that correct? My setup goes.... 1. Alternator to truck battery..... truck battery to isolator..... isolator to house battery. So my isolator has one connection to the truck battery, another to the coach battery and the third to a ignition wire. Is this correct? That's the normal setup for a relay type system. Quote Link to comment Share on other sites More sharing options...
Pete1122 Posted March 27, 2014 Author Share Posted March 27, 2014 Thanks guys, I'm troubleshooting mine right now and wanted to make sure it was wired up correctly. Due to the age I opted to buy a replacement and upgrade my wiring to 4awg. Quote Link to comment Share on other sites More sharing options...
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