[W126 Coupe] Clay's Nightmare 3

[benzman3]

Well, Guys 
I just got feed up and left car sit for a few days waiting to hear from someone about any ideas. Just went and put a tester on battery and there is something going on becuase I put tester to battery neg. and it lite up, which would mean a power draw or short I assume. so for the hell of it I put gound cable on tried the car and it started instantly, idled perfect and took for ride to see how it ran. Car blew out a little light black smoke at first, but ran like it should and fast thru all the gears. Came back and put in garage and tried staring again and perfect. Now the question is what could cause short ? I pulled covers off fuel pumps and didn't see any thing there but didn't take cover off. Any ideas more than welcome. I do remenber when I connected the new battery I put the ground on first and then the positive OOPS. I did hesr a couple of clicks but checked all fuses and they were ok.
PLEASE RESPOND GUYS.
Clay Moizo
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