Brilliant, thanks Jules. Will try that tomorrow.

Marcus97 wrote:

gasman wrote:

Have you checked to see if it's getting the correct amperage. You can get 12 volts on a single strand of wire but it won't carry the required amps. I can't remember what it should be but that is why I changed the main cables. Internal damage causing lack of amps.

Gasmam, I'm thinking this is exactly what my problem is. The new starter and extra ground cable (4 AWG) help (I've gone from no crank to crank+slow start), but I probably have damage inside the positive cable. I'm thinking of replacing it with a 2 AWG or even 1/0 AWG cable...do you remember which you used? I'm seeing wildly different current capacities for each gauge.