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Old 04-09-2019, 04:16 PM   #2
Ski in NC
Technical Guru
 
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City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
If you are cruising with main engines and no gennie, and alts are being over run by load, they will get HOT trying to pick up the load. Go in ER and see how hot they are with engines on. If any are cold, sounds like a pooped alt or ACR is somehow not combining.

Redneck troubleshooting!

Can also put a voltmeter on alt output lugs and see what it reads, should be about 28V. If alt is cold and only reading 25 or less, it is not working.
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