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Power drain

Alternator?

Power drain

Postby Sturgeonhunter [OP] » Oct 01 2019, 3:25am

Ok guys i have a 2011 chevy silverado with dual optima batteries with an isolator. led light bars, winch, 750watt amp, with 2 12's, 3 farad cap running off the slave battery. With only the radio on the lights will dim when the bass gets rough. first what is the stock alternator output. 2nd if i get a higher output alternator will it hurt the charging system/computer? Thanks for the help!
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Sturgeonhunter
Firing on 1 cylinder [L1]
Firing on 1 cylinder [L1]
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Year: 2011
Make/Model: Chevrolet Silverado
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Re: Power drain

Postby Walkers » Oct 01 2019, 2:21pm

You might have either a 145 or a 160 amp, chevk the rock auto site and match up the picture to tell. Just swap in the highest amp unit you can get (160 i think) you will need to change belt length. Computer is fine with it.
Walkers
4x4 High Mode [L3]
4x4 High Mode [L3]
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Re: Power drain

Postby Sturgeonhunter [OP] » Oct 01 2019, 6:35pm

thank you, i am looking into a 225 just didnt know if it would be compatible
Original Poster
Sturgeonhunter
Firing on 1 cylinder [L1]
Firing on 1 cylinder [L1]
Posts: 18
Topics: 5
Joined: Sep 08 2019, 4:49pm
Location: MT
Year: 2011
Make/Model: Chevrolet Silverado
Extra Info: 1500 4.8
Group Membership:
Registered users

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