I have a 1999 Fleetwood Bounder 36S . I have unwinterized it and was going to take it out last week. But the battery light on the dash is on and will not go off , The engine battery is fully charged. I assume the cabin batteries are as well as the jacks work fine. Not sure what to look for. Any advise is appreciated . Thanks

If you are talking about the Dash cluster display. That means the Alternator is either undercharging or overcharging. You need to get a 12 volt voltage reading at the chassis battery when the engine is ON. What Chassis do you have? Did you have the Genset ON also? Doug

I think you will find that the jacks run off the chassis batteries. If the house batteries are low they will pull a big load on the charge circuit. Get a meter and measure house and chassis batteries, with and without the engine running.

Ok checked the batteries , both showing 13 plus with engine off , With engine running show around 12.8 on both .

13+ with the engine off -- are you plugged into shore power? That sounds more like the converter output voltage than a battery resting voltage.It may be the light is on simply because the converter is supplying all the battery charge power needed and it's confusing the chassis systems into thinking the alternator is malfunctioning.

bill4103 wrote:I have a 1999 Fleetwood Bounder 36S . I have unwinterized it and was going to take it out last week. But the battery light on the dash is on and will not go off , The engine battery is fully charged. I assume the cabin batteries are as well as the jacks work fine. Not sure what to look for. Any advise is appreciated . ThanksNormal troubleshooting procedure entails disconnecting from shore power, running down both battery banks a bit, by a few engine starts, running some things in the house, like lights and the water pump, maybe a genset start and then checking the voltage at the banks, with and without the engine running or with and without shore power, to see what the difference might be. If you see charging going above 14 volts on the chassis battery, you can say that the alternator is OK. Coaches vary in what the alternator and converter charges, but with whatever, you should see an appreciable difference on a voltmeter, with the charging mechanisms that are in place.

battery light on dash | Good Sam Community

bill4103
Explorer
Apr 12, 2017
Ok checked the batteries , both showing 13 plus with engine off , With engine running show around 12.8 on both .
JaxDad
Explorer III
Apr 11, 2017
I think you will find that the jacks run off the chassis batteries. If the house batteries are low they will pull a big load on the charge circuit.

Get a meter and measure house and chassis batteries, with and without the engine running.
dougrainer
Nomad
Apr 10, 2017
If you are talking about the Dash cluster display. That means the Alternator is either undercharging or overcharging. You need to get a 12 volt voltage reading at the chassis battery when the engine is ON. What Chassis do you have? Did you have the Genset ON also? Doug

Forum Discussion

battery light on dash

About Motorhome Group

Related Content

Battery light on dash on

Dash Lights

Dash Lights

High Battery Light

Dash Cam