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Battery problem

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Old 04-28-2011, 05:29 PM
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Car: 1987 Trans Am
Engine: 383 Stroker
Transmission: 700r4...sort of
Battery problem

Hey,
I recently pulled apart the dashboard in my car to get at the heater core. So, naturally i had to unplug the battery to work safely. Well, I was an idiot and unplugged the positive terminal first. Realized my mistake soon after and unplugged negative/put back positive. I finished putting it all back together yesterday and when i went to plug the negative back in, sparks flew and i think the headlight motors went apeshit.
Now, this is where my issue lies. I put the ground onto the positive because i was fairly sure that's where it used to be, but when i used to work on the truck, the ground was at the negative terminal. is this why it's sparking?

long story short: positive has ground, negative is unplugged. plugging back in headlights go crazy and sparks fly. please help.
Old 04-28-2011, 05:52 PM
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Battery problem

The car is negative-grounded.
Old 04-28-2011, 10:36 PM
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Re: Battery problem

and it doesn't matter which cable you remove
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