Dual Battery/Isolator question!

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Author Message   Edward Bibb (Heirless) New Member Username: Heirless Post Number: 28 Registered: 04-2003 Posted on Sunday, October 05, 2003 - 10:55 am:    Have installed dual battery with isolator, but curious as to what wiring is required from the alternator to the isolator. Attempted just a positive lead, but no tach, and of course battery finally went dead. (no power off alternator)   Steve Cooper (Scrover) Senior Member Username: Scrover Post Number: 534 Registered: 09-2002 Posted on Sunday, October 05, 2003 - 11:28 am:    What model isolator?   Edward Bibb (Heirless) New Member Username: Heirless Post Number: 29 Registered: 04-2003 Posted on Sunday, October 05, 2003 - 03:41 pm:    its a WARN28022. My primary question is which alternator description the Land Rover falls under (bosch,motorola, ect..) I checked the Warn website to no avail.   Steve Cooper (Scrover) Senior Member Username: Scrover Post Number: 535 Registered: 09-2002 Posted on Sunday, October 05, 2003 - 04:10 pm:    Looks like a re-branded Sure Power. It's getting power from the alternator, it's just not getting out to the batteries. The isolator needs to be energized. There's a fourth terminal on the isolator - the smaller 'e' post. It needs a switched 12v+. I used the + side of the coil with an in-line fuse just to be sure. That should light up your tach and turn on the isolator. Usual disclaimer applies SC