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ESV
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361 Posts
Discussion Starter #1 (Edited)
Has anyone ever installed a bigger alternator to keep up with everything.

I have 2 batteries in my ESV. I also pull an enclosed trailer with a battery in it and it is charged off the trailer plug.
 

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2012 Escalade, 2014 SRX
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13,353 Posts
I have been thinking about it. Not sure if you need one with the 2 battery set up tho...
I have been pulling my large trailer through the snow for several years without any issues, that was the main reason I put the dual batteries in, and I have a lot of lights on my trailer. I will look into what options there are when I get in the shop later in the week
 

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Caddy EXT
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646 Posts
I have two batteries and a third in my snowmobile trailer also . The stock alternator seems to keep up no problem . My new trailer has all led lights and really keeps juice use to a minimum I switched all the lights in the EXT to led also . 270amp would be good if you have a big system like my kids(why so much bass?):banghead:
 
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