I fitted a brand new heavy duty 12v to my s2 and have only driven the car for about 15 minute in the one month ive had it on and this evening went to the car and theres nothing not even a blinking l.e.d does this sound about rite or is my alternator fucked is there a way of telling with a multimeter if i can jump it with my starter pack.cheers me old sons

 

prob just cos its been sat for so long.......nine goes flat after bout a week...fine after bump or jump start.... get multimeter on it to check alternator and see if battery is holding charge..