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Ok, I hooked up the battery the wrong way (Red is always positive I was taught and the negative cable was red). The car starts now but the radio doesnt turn on, esc and abs lights are on and the car does not shift into gears. Is the ESU bad?
 

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DVOM across all you fuses looking for those that may be open circuit..

Should be 1 or 2 fuse in a yellow plastic carrier in the I/P junction block, first guess is you took out 1 of them.. and maybe a few more somewhere..

Reverse polarity usually pops a handfull of fuses depending of if key was on or off
 
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