Hello, I have the same problem today with my 2007 Volvo d12. I checked starter relay I put screw on n the relay cable no crank. But when I touch...
I got the same problem today, and I tried the relay no sting or sparks. The ground black cable is stinging. I put the hammer at between red cable...
This is some good information, I learned a lot from guys replied with honest and good advice. Thank you so much truckers