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04-13-2009, 04:38

I can tell you I went thru a lot of grief until I got this down correctly in my BB. This is how mine works in any case

The aux switch needs to be ON if you want to charge the batteres house and chassis. I must also turn the DC Main switch on at the door. There will be no charging of anything other than my blood pressure if I do not do this.

If you leave the coach sitting and not plugged in for any length of time you should switch off the DC switch at the door and the AUX or the batteries will go do quickly. I have left the coach in this set up for four weeks with no ill effect.

Been there done that, but then again I havetalked to people that do not have the same wiring that I have.

Scooter 2000LX Ocqueoc, MI

To: WanderlodgeForum@yahoogroups.com
From: aeonix1@...
Date: Sat, 11 Apr 2009 19:46:09 -0700
Subject: Re: [WanderlodgeForum] Re: Auxilliary Battery Switch

I leave the switch "on" while the coach is parked. The engine batteries are kept charged. If I turn it off, the engine batteries eventually run down.

I think this is how it's designed to work.

Pete Masterson

'95 Blue Bird Wanderlodge WBDA 42

El Sobrante CA

"aeonix1@mac.com"

On Apr 11, 2009, at 7:43 AM, luckyron1 wrote:

Randy, I think that is the way the system is designed. 'On' to charge both banks, 'Off' to charge only the house batteries. A caution though, and I don't know if this is just unique to our coach; there is a diode on the battery isolator that controls the current between the 2 banks of batteries. We had 3 of them fail after prolonged periods in the 'On' position. Finally, we got tired of replacing the diodes, and one time even the isolator, but it didn't help. Now, we leave the switch in the off position and use a portable charger and trickle charge the engine batteries while parked. In retrospect, and I'm no electrician, it might be that the diodes that they were putting weren't strong enough to handle it. Someone once told me that an 85 amp diode would probably handle it.

Ron & Ruth in 2000 lxi in Branson

W> Hi Everyone,

On my 2003 LX I have found if I leave the auxilliary battery switch in the off position when the coach is parked the engine batteries lose charge or go dead. Does anyone leave their auxilliary battery switch in the on position at all times when parked? Is there any harm in doing it? Is there any chance of overcharging the batteries? I travel alot and am not home everyday to check on the coach so don't want to leave the switch on if it may harm the batteries. The manual gives no indication whether to leave the switch on or off. I just wondered what everyone else was doing.

Thanks,

Randy Merrill

2003 LX

Ocala, FL

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