If you note the top of the teensy relay can that's behind the drivers seat in 
the battery well, you'll see a tiny diode mark between two of the terminals.

This is the wee gadget that keeps the relay open when the alternator is running.

Check it out.  It's not the ordinary 40A relay.

--
--
         ___  / __   __/   ____/         Al Knoll HP Performance Technology /
        /    /      /     /             Center    Roseville, CA, USA 95747 /
       _____/      /     /             916.785.9453    (Telnet 785-9453)  /
      /           /     /             email:  alf@hpptc38.rose.hp.com    /
   __/         __/   ______/         ___________________________________/