House Batteries

[Goldwinger]

House Batteries
HB on my Winnebago 2007 does not charge while driving.
The switch wire (LR) to the solenoid does not have 12 v.
If I apply 12 v to the (LR) wire then the house batteries will
charges.
I have check all fuses and breakers all are good.
Where does this (LR) get it’s 12 v from?
If I could find that I think my problem would be fixed.

[enblethen]

MrWizard, that came through.
Does your rig have a battery control center?
My rig has one that requires chassis battery to be at a given level prior to energizing the charge relay.

[MrWizard]

maybe this will work


this is the jpg img link

the other link was the webpage with the image

[enblethen]

Image did not come through for me!

[Clay_L]

LR gets its voltage from a wire connected to the RUN terminal on the ignition switch. I have the Workhorse chassis and the dash that raises up. There is a fuse panel in the far back drivers side under the dash. The top row far right fuse is labeled "Step Alarm" - LR and several other wires connect to that fuse. The back up camera and the signal lead that causes the step to retract are a couple of the other wires connected to that point.

[1995brave]

I traced it back to your battery boost switch. You should have 12 volts when the engine is started and the key is in the run position. If you don't have it check for a chassis fuse blown(could be in-line).

[MrWizard]

On almost all mh
That comes from ingition #2 terminal on the key switch
So it only engages after you start the engine and release the key
Or if you turn to the on position

Check from the key switch circuit

[Goldwinger]

enblethen wrote:
go Winnebago site and down load the drawings. It should be coming out of the battery control center.
Does the relay energize when you push the aux start?(if equipped)

Yes the relay close when I press the Aux/start switch.
I have the wiring drawing that where the picture came from.

Thanks

[enblethen]

go Winnebago site and down load the drawings. It should be coming out of the battery control center.
Does the relay energize when you push the aux start?(if equipped)