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 > 02 Southwind not charging chassis battery on 120V

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JMichael

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Posted: 07/06/09 06:54pm Link  |  Print  |  Notify Moderator

The owner's manual for my 2002 Fleetwood Southwind clearly states
"the DC power converter will charge the chassis and house batteries
when plugged into 120-volt AC service or by the generator."

My 2002 Southwind on a F53 chassis would not start after being
in covered storage for 2 months. The coach was plugged into 120V
and the house and chassis batteries were not disconnected. The chassis
battery showed about 11.8V. The house batteries showed about 13.3V.
The engine would not start with the auxiliary start switch.

The chassis battery disconnect switch seems to work; when switched off, the entry steps do not work. When on the steps struggled but worked.

I charged the chassis battery for 6 hours and the reading was about 12.4V.

The house batteries are being charged by the convertor (Intelipower
9000 with a Charge Wizard) but the chassis battery is not. The
chassis battery shows about 12.4 volts with the generator running or
with the coach plugged into 120V. The chassis battery shows about 14+ volts with the engine running.

Any body have any ideas where I should begin?

J Michael

wolfe10

Texas

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Posted: 07/06/09 07:06pm Link  |  Print  |  Notify Moderator

What type isolator do you have between converter and the batteries-- diode-based isolator or solenoid-based isolator? Trace wires from converter OR from batteries.

That would be where I would start. Check voltage in and out.

* This post was edited 07/07/09 06:20am by wolfe10 *


Brett Wolfe
1997 Safari Sahara 3540
EX: 1993 Foretravel 36' U-240


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OnaQuest

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Posted: 07/06/09 10:29pm Link  |  Print  |  Notify Moderator

Your converter should charge both the chassis and house batteries.

The fact that your aux start switch also does not work points directly to the aux start/charge solenoid contacts in the Battery Control Center box under the hood.

The contacts are probably burnt and not making contact. It is easy to repair or replace.

If your BCC is made by Intellitec, go to their web site and download your trouble shooting guide and wiring diagrams.

If your BCC is made by RV Custom Products, PM me and I can send you the guide and diagrams.

* This post was edited 07/06/09 10:35pm by OnaQuest *

Kanata

Ottawa, Ontario

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Posted: 07/06/09 08:17pm Link  |  Print  |  Notify Moderator

That is why I added a Trikle charger to my Southwind

eisleyr

Milton, Pa, USA

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Posted: 07/06/09 08:23pm Link  |  Print  |  Notify Moderator

Let's not loss sight of what Bill stated:
The owner's manual for my 2002 Fleetwood Southwind clearly states
"the DC power converter will charge the chassis and house batteries
when plugged into 120-volt AC service or by the generator."
Either his manual is wrong or the solenoid is bad or not switched on.


Rob & Kathy
1997 F53 Southwind 34Ft
2004 Honda CR-V
Good Sam Member since 1992

eisleyr

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Posted: 07/06/09 08:06pm Link  |  Print  |  Notify Moderator

Can't speak for a 2002 but my 1997 does not charge the chassis battery. If your manual states it does, may want to contact a Fleetwood repair center. I would 'guess' if it should charge the chassis battery there is another connect / disconnect solenoid like the chassis and coach disconnects that either is not switched on or went bad. Sorry, I'm not much more help.

OnaQuest

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Posted: 07/07/09 10:16am Link  |  Print  |  Notify Moderator

GSF wrote:

In fact, many converters do not charge the chassis battery. That's why this particular item sells well: Link


Many people buy the trickle charge (or similar) product instead of fixing a coach that should charge both batteries. Sometimes that's the cheapest thing to do......

tomousecap

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Posted: 07/07/09 10:53am Link  |  Print  |  Notify Moderator

JMichael wrote:

The owner's manual for my 2002 Fleetwood Southwind clearly states
"the DC power converter will charge the chassis and house batteries
when plugged into 120-volt AC service or by the generator."

My 2002 Southwind on a F53 chassis would not start after being
in covered storage for 2 months. The coach was plugged into 120V
and the house and chassis batteries were not disconnected. The chassis
battery showed about 11.8V. The house batteries showed about 13.3V.
The engine would not start with the auxiliary start switch.

The chassis battery disconnect switch seems to work; when switched off, the entry steps do not work. When on the steps struggled but worked.

I charged the chassis battery for 6 hours and the reading was about 12.4V.

The house batteries are being charged by the convertor (Intelipower
9000 with a Charge Wizard) but the chassis battery is not. The
chassis battery shows about 12.4 volts with the generator running or
with the coach plugged into 120V. The chassis battery shows about 14+ volts with the engine running.

Any body have any ideas where I should begin?

J Michael


Fleetwoods "RV Custom Products" system interface box (BCC) charges the chassis battery when you are hooked to 110 or generator. It is designed well except that sometimes the battery inter-connect solenoid in the box gets dirty contacts and when it pulls in to connect the two battery systems it fails to make the connection. This is why lots of folks don't think there is a chassis charge circuit there. I have replaced the battery interconnect soleniod switch in several coaches with an upgraded one that has silver Plated contacts instead of copper common in the cheaper one. They then have never failed for me again. The system is really pretty good and does charge the house when engine is running or it will charge the chassis if you are connected to 110 or genny. It you listen very carefully when you plug in the coach to 110, you can hear the solenoid kick in. You can also hear it drop out when you disconnect the 110, both activities are a bit time delayed, so listen for a few moments. The upgraded solenoid is "BWD S-603" from O"Reilly auto parts. Do not attempt to dis-assemble the system for replacement of the solenoid unless you have both battery systems and the 110 source disconnected!!


Bob
2007 Fleetwood Bounder - Full Paint 35E
Workhorse 6 Speed 496 Cubic Inch V8 - W22
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GSF

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Posted: 07/07/09 07:16am Link  |  Print  |  Notify Moderator

In fact, many converters do not charge the chassis battery. That's why this particular item sells well: Link


George
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BillArf

NY and Florida

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Posted: 07/07/09 03:42am Link  |  Print  |  Notify Moderator

I just sold an '02 Fleetwood Southwind 32VS I hade for a few years and lived in almost fulltime. The DC power converter did in fact charge the chassis and house batteries when plugged into 120-volt AC service or when the genset was running,. Also, the small solar panel on the roof did charge both chassis and house batteries although the output of the solar panel was very minimal.





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