Update my mechanic hooked up his charger directly to my cables and the car started. When my new battery was hooked up to the cables the truck would not start. He advised I replace the battery start the car and to drive it to his shop. He claims their is a short but to get it to him before...
Mega fuse looks ok, I cleaned the cables in which were not in bad shape to begin with but got nothing. Fuse box does not seem to have any corrosion but have not checked underneath it. Ground cable from battery to engine unit does looks pretty clean and tight as well.
I cleaned the connections reconnected the cables but same thing happened. An electric mechanic told me that this is a problem with the TCM or neutral safety switch. He’s been doing this for 30 plus years. Not sure what to thing just trying not to spend hundreds maybe thousands on the vehicle. I...
Thank you , one mechanic noticed that the needle for the transmission shifter is not showing in the cluster when I turn the ignition on and there forth made a claim that the TCM or neutral safety switch is bad, any feedback on that?
The other day our Denali starting freaking out, dash lights came door locks opening and closing. We parked the vehicle and the next day it won’t start. Check lights are all on, most gadgets, radio, etc work but hatch won’t open and vehicle will not start. Is this a TCM or ECM or BCM problem or...
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