How much amperage do i need fo rmy alternator?


Can somebody please help me. I have a Rockford fosgate bd1000 mono channel amp at 1000rms @ 1ohm. And i have 2 12" Premier subwoofers that handle 1000 rms. the question is how much amperage do i need on my alternator in order to run my 91 buick century safely without blowin it out my alternator?

Silver Member
Username: Kd7nfr

Montpelier, ID United States

Post Number: 762
Registered: Apr-05
I'd run around 120 to 160 amp alternator.

Silver Member
Username: Big_oso

Post Number: 443
Registered: Jun-05
Be safe and buy the biggest alt they make for your car. You never know you might need it someday
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