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08-20-2008, 03:12 PM
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#1
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Winnebago Owner
Join Date: Oct 2006
Location: Venice, FL
Posts: 109
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I have 12 volt power and I have disconnected the shore power. When I turn the switch off, nothing happens. I do not hear the solenoid click or the propane detector beep and I still have 12v power..
Could this happen if the switch that triggers when you change from gen power to shore power is stuck? I have had a problem before where I turned off the generator and connect to shore power but have no 110v power.
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08-20-2008, 03:12 PM
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#2
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Winnebago Owner
Join Date: Oct 2006
Location: Venice, FL
Posts: 109
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I have 12 volt power and I have disconnected the shore power. When I turn the switch off, nothing happens. I do not hear the solenoid click or the propane detector beep and I still have 12v power..
Could this happen if the switch that triggers when you change from gen power to shore power is stuck? I have had a problem before where I turned off the generator and connect to shore power but have no 110v power.
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08-20-2008, 03:27 PM
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#3
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Winnebago Master
Join Date: Jan 2005
Location: Back at the ranch
Posts: 2,041
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Clarification please...
Are you saying that with shore power disconnected, the genny is not running, and you turn off your 12V battery disconnect, there is still 12V power to the house?
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--John
2005 Horizon 40AD, 2005 Jeep Liberty CRD
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08-20-2008, 03:30 PM
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#4
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Winnebago Owner
Join Date: Oct 2006
Location: Venice, FL
Posts: 109
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Yes, exactly. The switch is not turning off the 12v system.
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08-20-2008, 04:53 PM
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#5
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Winnebago Master
Join Date: Dec 2003
Location: Motor City, Mich
Posts: 1,015
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Low battery voltage?
My old dead batteries would make the switch act funny....
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Tim.
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08-21-2008, 12:33 AM
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#6
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Winnebago Watcher
Join Date: Nov 2004
Posts: 2
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Some of the aux. battery relays have fuses for the actuating circuit built into the relay itself. They are standard automotive fuses and are mounted on the front of the relay itself
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08-21-2008, 04:51 AM
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#7
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Winnebago Master
Join Date: Jan 2005
Location: Back at the ranch
Posts: 2,041
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I -think- that relay (solenoid) is energized all the time 12V is supplied to the house. If it won't disconnect, then either the switch is not working or the contacts are stuck in the solenoid.
Give it a sharp rap with something insulated (electrical tape wrapped around a wrench) while an accomplice keeps the switch in the off position.
We have seen many cases of a bad battery bank bridging solenoid, but I don't think anybody has reported one of these causing trouble.
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--John
2005 Horizon 40AD, 2005 Jeep Liberty CRD
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08-21-2008, 05:03 AM
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#8
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Winnebago Owner
Join Date: Oct 2006
Location: Venice, FL
Posts: 109
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Stoney: I am not sure where the aux battery relay is located?
John: Also, I am not sure where you are suggesting I give it a "sharp rap"? Are you talking about the silver box in the electrical compartment where the shore power cable connects?
Thanks for your suggestions.
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08-21-2008, 06:15 AM
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#9
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Winnebago Master
Join Date: Jan 2005
Location: Back at the ranch
Posts: 2,041
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Not sure about where yours is located, but mine is in the electrical bay behind a metal 'box.' There are two solenoids in very close proximity - one is the battery bank bridging solenoid, the other is the house disconnect. They can be identified by operating the 'Battery Boost' switch - the one that clicks is the bridging solenoid.
If you aren't a 'hands on' guy, let a dealer or service business troubleshoot.
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--John
2005 Horizon 40AD, 2005 Jeep Liberty CRD
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08-21-2008, 09:49 AM
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#10
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Winnebago Master
Join Date: Aug 2002
Location: ...hopefully on the road!
Posts: 1,653
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Moneypaul
A sharp rap on "the silver box" (aka transfer switch) in the electrical compartment can help with your problem of not having power when you plug in the 120v shore cord. But that has nothing to do with your 12v problem. BTW -- when you plug into shore power when running on generator power (or vice versa) you should turn off high power loads like ac, etc. That will save lots of wear and tear on the contacts inside the transfer switch.
I believe John has you on the right track in looking for a small round solenoid that operates the 12v battery disconnect. It is possible the disconnect doesn't work due to low power, but more likely the switch or associated solenoid is bad. It shouldn't be an expensive fix even if you have to have a service tech do it.
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Paul (KE5LXU) ...was fulltimin', now parttimin'
'03 Winnebago UA 40e TRADED OFF JUL 2023 / '17 Jeep Grand Cherokee toad
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08-22-2008, 03:55 AM
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#11
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Winnie-Wise
Join Date: Aug 2004
Location: Zephyrhills, FL
Posts: 275
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Paul,
I would think my '05 38R and your '06 38J are virtually identical in chassis layout. My batteries are under the entrance steps (top step unlatches and removes). Inboard of the batteries is a panel that covers the solenoid. My "AUX BATT" on/off switch is next to the steps and when operated you can hear the clicking of the solenoid under the steps.
The "silver box" in the electrical compartment is the transfer switch.
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'14 Winnebago Vista 35F, '14 GMC Terrain BlueOx Towing Pkg, SMI Stay-n-Play 49 States & 7 Provinces visited in MH | WIT W112365
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09-02-2008, 06:12 PM
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#12
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Winnebago Master
Join Date: Dec 2003
Location: Motor City, Mich
Posts: 1,015
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Figure it out?
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Tim.
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09-03-2008, 09:19 AM
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#13
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Winnebago Owner
Join Date: Oct 2006
Location: Venice, FL
Posts: 109
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Not yet. I plugged in the shore power for a few days and the batteries are both showing over 13V. The switch still does not work. I do have a trikl start and I don't know if that could have anything to do with it. I guess I will have to take it in to the dealer.
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09-06-2008, 04:04 PM
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#14
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Winnebago Owner
Join Date: Oct 2006
Location: Venice, FL
Posts: 109
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I figured out one of the problems. The shore power was not coming on because the Progressive Industries EMS delays sending power for 2 minutes and 13 seconds (according to Progressive.
Does anyone know if I can get a solenoid for the battery disconnect other than from Winnebego? Any part numbers would be appreciated.
Thanks all for your help.
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09-07-2008, 04:25 AM
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#15
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Winnebago Master
Join Date: Jan 2005
Location: Back at the ranch
Posts: 2,041
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The battery bank bridging solenoid is made by Trombetta, they might make the disconnect one as well. Here is the link to Trombetta's contactors. Blue Sea has a suitable replacement candidate.
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--John
2005 Horizon 40AD, 2005 Jeep Liberty CRD
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09-28-2008, 04:50 AM
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#16
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Winnebago Owner
Join Date: Oct 2006
Location: Venice, FL
Posts: 109
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Well it was the solenoid. However, after installation by the dealer you could turn it off but not back on. Another trip discliosed that one of the wiring connections had not been done correctly. Thanks for your help guys.
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