Fleetwood Motorhome Association, Inc. - Chassis Batteries on 2006 Discovery

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Chassis Batteries on 2006 Discovery

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01/31/2023 7:50 PM

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Message # 13080142

Anonymous

Coach sat for 4 weeks without running but plugged whole time to 50Amp shore power. Tried to start and batteries not strong enough to start 330 Cat. Depressed Aux Start button while turning key and no help.

Do I have a fuse problem with Aux Start? Any charging for chassis batteries other than alternator? TIA

02/03/2023 11:57 AM

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Reply # 13083766 on 13080142

Greg Fitzpatrick

Al, I had a similar problem on my 2020 Pace Arow. It turned out that the starting batteries were too dead to start the coach or utilize the recovery switch. I had to replace the batteries. I continued to have problems with battery drain when inactive, some electronics must continue to place a draw on the batteries. I installed a heavy-duty exclusion switch like they use on race cars to switch off the positive lead from the batteries. This solved the battery going dead problem.

02/21/2023 1:40 PM

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Reply # 13105929 on 13080142

Anonymous

Thank you for your response. I replaced the trombetta solenoid and this seems to have solved the issue because the old one would not allow continuity between the high voltage posts. You Tube to the rescue. I will also like to install a master battery shut-off to stop parasitic draw. Thanks again