Believe me, the LAST thing I want to do is modify any wiring, mainly because *I* will be the poor schmuck who has to go back and fix it again. It...
Just like you, I am unqualified and we don't have any of the special tools and testers needed. And, like you, miracles were/are expected.
HI. This is my first post in this forum so please forgive any screw ups on my part. Full disclosure: I am not a qualified Cummins diesel mechanic...
