when ya have put a battery in the boot what size cca do u put in I have a 550sae=cca, im pritty sure but ever so often it just does not have the guts to start on me it has happend 3 times to me now. that battery I have I have tested it and it comes out with good and pass, I dont no what the go is but it had 12.2 volts and it wouldnt start I hooked jumper leads up and a nother battery, and a away it goes, si what size do you have in ya boot?