Q: Retired gem, now truck will not start Unless it is in neutral, speedometer, airconditioner, and radio doesn't work. No codes

asked by on June 07, 2017

Rewired the gem module. Now the truck will not start unless in neutral, radio, speedometer, and air conditioner not blowing. I had it checked and there are no codes. I had the alternator checked and it too is good.
My car has an automatic transmission.

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