reversed polarity on car battery

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italia490

Member - Posts: 1

Joined: February 10, 2006

Location: United States

Posted: March 06, 2007 at 3:43 PM / IP Logged

This is kind of a silly question, but I wanted to find out the full ramifications of what I did. I wasn't paying and put the car battery in wrong and hooked up the ground cable to the positive terminal on the battery and the positive cable to the ground terminal on the battery. Some smoke came from behind the dash and I wanted to find out if I fried anything. The car is a 2000 Ford Mustang. Any help or suggestions is appreciated.

DIY'er

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Phreak480

Copper - Posts: 84

Joined: June 12, 2003

Location: United States

Posted: March 06, 2007 at 4:40 PM / IP Logged

Damn good chance you could have done major damage to the electronics of your vehicle. Sensitive electronics don't take kindly to reverse polarity, it tends to let the magic smoke come out.

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theredstealth

Member - Posts: 2

Joined: February 27, 2007

Location: United States

Posted: March 10, 2007 at 6:42 AM / IP Logged

about all you can do is hook it up and see if it works

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KarTuneMan

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Joined: December 14, 2004

Location: Isle Of Man

Posted: March 23, 2007 at 1:00 PM / IP Logged

Any luck gettin the smoke back in behind the dash? On a serious note. Hook it up and see what "doesn't" work. Typically where there is smoke, there is damage. reversed polarity on car battery - Last Post -- posted image.

reversed polarity on car battery - Last Post -- posted image.

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snowman78

Member - Posts: 10

Joined: March 25, 2007

Location: United States

Posted: March 30, 2007 at 7:19 PM / IP Logged

The last time i saw something like this, it happened in an 01 eclipse. the only thing is, it wasn't the battery that was hooked up wrong, it was the dimmer switch on the head unit. the car was turned on...and...SMOKE! The entire wiring harness from the fuse box under the dash all the way to the stereo and further was burnt. The shop had to pay and replace the harness...$780 (at the time). Just pray this didn't happen.

Basic installer looking to learn more.

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reversed polarity on car battery

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