If you still have the POS cable attached when you do that then it's going to read 12 volts reverse polarity.
The regulator is in the power module next to the battery.
First start the car with your volt meter on the bat terminals and then take a jumper wire (even battery jumper cables) and ground the alternator to the NEG terminal of the battery...did it start to charge? No? Then replace the power module or have it repaired. If you want it repaired and even possibly reprogrammed to run the car and the turbo better, contact Cindy at fwdperformance.com
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