what does it read when the car is cranking? it could very well be 12V at 40 amps or whatever your car is using when the key is on the run position… but cranking a car takes a shitload more…
what does it read when the car is cranking? it could very well be 12V at 40 amps or whatever your car is using when the key is on the run position… but cranking a car takes a shitload more…