Join Date: Jan 2002
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Re: electrical stuff on zuk
'750 warm and 630 cold crankin' -aww, thats just a baby: dual 1150 cca's w/ 185 min reserve ( each), plus a 90 amp alt. I dont even bother to plug the diesel in in the winter 8^D
-Shawn- is right though, its not likely to the batteries, or the alt size, but the ground connection. You take a look at any military, or hard-core agricultural setup, and they're built the way shawn described, with a dedicated ground lead system.
I'll add my own $3 quick trick, too: use a low resistance (ie welding) wire from the alt case to the - battery terminal. it 'cheats' the regultaor a bit by reducing the ground resistance, and you'll usually get 5-10 amps more out of the alternator, and better low-rpm output.