So just today as I was getting ready to leave to the gym, I remote start my truck and it doesn’t start up. I hop in the truck and try starting it, and all power is fine until I turn the key into on position (not running) then all of a sudden all of the power cuts out. I did this a few times then unhooked my batteries, cleaned the terminals, and replaced them. Only made things weirder. I’m not even sure how to explain it after that but when I turned the key in the ignition the dash and other electronics kept flickering on and off, tuner kept beeping and turning on and off, all of this happened for a few seconds until it just completely lost power again. I had a friend tell me it’s probably a grounding issue somewhere, but any and all help would be appreciated as I don’t want to take it into the shop just to have them work on it for a week and charge me out the ***. Here’s a video link to show what’s going on
daniel6.7
Check the batteries. Not just the terminals. It sounds like the batteries are weak or one could be dead. When you get weird voltages on a CAN BUS system like in these trucks things get weird quick.
I had a similar issue happen to me, I am waiting for a backordered wiring harness that has caused all sorts of issues with my dash, traction control, hill descent, even the heater fan. Fist issue happened three years ago, Service took the harness apart and "tightened"everything up and it seemed to work for a while. Then it would start up again and go through same process. Finally having Service replace the whole wiring harness, luckily still under warranty. Saw another post that had similar issue and it was a frayed wire within the harness was causing all the issues.
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