OBD gremlins ... need assistance please

[HSRACER]

Originally Posted by nsb29

I don’t see were you saying anything about a ground strap to the cab You need to try running a grounde from your engine to the cab

So the battery ground strap has two wires on it. The main heavy wire is attached to the engine block and at that connection the smaller wire is part of that ring loop connector and goes up to the front fender from the engine ground.

Is that not the same as going to the cab?