Alternator

John22008 Unregistered guest	Posted on Sunday, September 25, 2005 - 21:25 GMT I have a 1969 mustang coupe and i want to put in an audio system in it eventually, i need a new alternator what size should i get? It is a stock one in it now im sure its really small...
MuddyWaters Gold Member Username: Basshead86 Ocala, FL USA Post Number: 1525 Registered: Aug-05	Posted on Sunday, September 25, 2005 - 21:40 GMT it depends on how many amps of current your system will be pulling. the rule of thumb is 10A of current for every 100watts RMS of power.