I’ve searched this forum, another and tried YouTube, but still at odds.
My truck 2015 Sierra 1500 4x4. Went to start it last year and acted dead. But charger on it and it started. Went to store and got new battery. Problems went away. Fast forward to now, 1 year later, truck doing the same thing. Acts dead, but all lights, etc work, no crank just a click.
I went to auto zone and asked if they can test battery under load, they said it was good and fully charged. But I don’t have much faith in them as we did the same with my buddy truck and he needed new batteries!
Today took off tire and under wheel well. Cleaned all grounds. Tried my best to clean the terminals on the started while it is still attached.
Put all connections back and it started. Pulled the key out to try and again and no start. So wiggled the Neg cables and bam, started.
Is it possible the cables are no good? Cables look good. I cut the boot off the end and looks good. I’m at odds?