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Old 02-02-2016, 07:09 PM   #1
Join Date: Jan 2016
Location: Portland, OR
Posts: 16
Year: 1993
Engine: 5.9
Rated Cap: 78 Pax
Battery Disconnect

I have one. When is it important to use?
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Old 02-02-2016, 07:47 PM   #2
Bus Geek
EastCoastCB's Avatar
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 22,914
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
When the starter batteries aren't going to be used for an appreciable amount of time.
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Old 02-02-2016, 10:15 PM   #3
Bus Nut
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Join Date: Nov 2003
Location: Twin Falls, Idaho
Posts: 809
Battery disconnects have no value..

Some folks use a disconnect to prevent theft of the bus. Most disconnects are not rated for the intended load. I can not think of any reason for a disconnect.
If the batteries need to be disconnected , take off a cable. Taking off a cable presents an opportunity to check all the connections. The first reason for alternator failure is poor battery connections, poor starter connection, or lastly poor altenator connections. Adding some wheel bearing grease to the battery connections prevents most corrosion..... A fully charged battery measures 12.6 volts with a multimeter.. Frank
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