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Old 04-28-2014, 02:11 PM   #1
bryce6horse
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Join Date: Mar 2013
Location: Alvarado, Texas
Posts: 148
Alternator upgrade question

I just had a complete new a/c system installed this past week and when I turned it on at idle I noticed the volt meter gauge showed charging at 10 but when I turned the a/c off it went back up to 13. I also just purchased a new 5th wheel camper I pull with the truck and when its plugged into the truck it is also charging the battery in the camper. I am thinking of upgrading to a 140 amp alternator. Is there anything I would need to do/add or upgrade after installing the larger amp alternator?
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1974 Chevy Big 10
1983 GMC Sierra Classic 1500
1986 Chevy K20
2013 Dodge Challenger
2014 GMC Sierra
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