Foretravel Owners' Forum For owners and Fans of Foretravel Motorcoaches September 09, 2025 ...

CHASSIS BATTERY DESD OR OTHER PROBLEM

February 08, 2021, 07:35:25 pm

To all
Have 2009 Nimbus
Had new chassis batteries (3) installed last week by truck shop mobile service. Have used them in shop for other repairs.
Started fine over weekend and again this morning.
Went to start later and totally dead—no dash lights or anything.
Will only start with boost switch but flipping that off coach dies like turning off key.
Also computer reads code 251 2 1 which was same before previous 6 year old batteries died.
After install of new batteries,tech cleared code and was OK until today.
Have no idea what to look for.  Tech is to come back Wednesday.
Any ideas.?
Thanks
Craig Knight

Quote Selected

Re: CHASSIS BATTERY DESD OR OTHER PROBLEM

Reply #1 – February 08, 2021, 09:55:59 pm

First up is to check your battery cable connections to make sure they are all clean and tight, then check voltage at the start batteries.

Quote Selected

Re: CHASSIS BATTERY DESD OR OTHER PROBLEM

Reply #2 – February 09, 2021, 10:20:21 am

I would disconnect the cables, then check each battery, then clean and reconnect the cables if the batteries show 12.8 volts.

Quote Selected