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House Battery Charging Issue
- denpooch
- Commander
- Posts: 385
- Joined: April 9th, 2017, 8:03 pm
- Vessel Info: 2005 360 Mariner
Crusader 6.0 Captains Choice - Location: Long Island
- Has thanked: 85 times
- Been thanked: 86 times
House Battery Charging Issue
I have discovered that my house battery is not charging while underway. I checked and the alternators are working. The starting batteries are charging but for some reason the charge is not making its way to the house. The house battery does in fact charge when plugged in dockside electric. All wires seem tight.
One question is how is the battery wired so that only the house battery will discharge for d/c demand while the starting batteries do not discharge, yet is able to accept alternator charging.
I there some solenoid or switch that can be defective?
Any thoughts and insight are much appreciated. Thanks.
- g36
- Admiral
- Posts: 1944
- Joined: April 7th, 2014, 6:07 pm
- Vessel Info: 1997 Carver 405
- Location: Soddy Daisy TN.
- Has thanked: 7 times
- Been thanked: 587 times
Re: House Battery Charging Issue
Crusader xli
The Black Pearl
Soddy Daisy Tn.
-
- First Mate
- Posts: 123
- Joined: September 25th, 2018, 8:36 am
- Vessel Info: 2002 Carver 410 Sport Sedan
- Location: Peterborough, Ontario, Canada
- Has thanked: 69 times
- Been thanked: 36 times
Re: House Battery Charging Issue
- bud37
- Admiral
- Posts: 4683
- Joined: April 23rd, 2015, 10:22 pm
- Has thanked: 550 times
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Re: House Battery Charging Issue
The tell would be to disconnect your shore power, gen off then try DC house loads, put multimeter on the house battery then start an engine and see what registers, or disconnect the leads on the house battery and have it load tested.
Also like g36 states, ya never know what has happened before you..plus consider what darrenlife says...good luck with it...
- denpooch
- Commander
- Posts: 385
- Joined: April 9th, 2017, 8:03 pm
- Vessel Info: 2005 360 Mariner
Crusader 6.0 Captains Choice - Location: Long Island
- Has thanked: 85 times
- Been thanked: 86 times
Re: House Battery Charging Issue
I let the battery 'run down' yesterday and put a meter on the battery and started the engines. No movement. I do know the alternators are working from dash voltmeters. The battery is brand new this season and has been tested.
I am gonna check all circuit breakers and look for an isolator.
Thanks folks, I will keep you posted on progress.
- Midnightsun
- CYO Supporter
- Posts: 2848
- Joined: March 27th, 2016, 2:27 pm
- Vessel Info: The Midnight Sun
2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
- Has thanked: 257 times
- Been thanked: 1099 times
Re: House Battery Charging Issue
- denpooch
- Commander
- Posts: 385
- Joined: April 9th, 2017, 8:03 pm
- Vessel Info: 2005 360 Mariner
Crusader 6.0 Captains Choice - Location: Long Island
- Has thanked: 85 times
- Been thanked: 86 times
Re: House Battery Charging Issue
The battery has 3 red cables connected to positive terminal of the house battery. The largest seems to feed the system. Second seems to be the input from onboard charger. The last is inbound from the isolator. This cable went from the terminal to a breaker and that breaker needed to be reset.
I checked voltage before and after starting the engine. She is charging!
Thanks for your advice.
- Midnightsun
- CYO Supporter
- Posts: 2848
- Joined: March 27th, 2016, 2:27 pm
- Vessel Info: The Midnight Sun
2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
- Has thanked: 257 times
- Been thanked: 1099 times
Re: House Battery Charging Issue
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