battery power and control panel switch

sehsteve@gmail.com

Advanced Member
Joined
May 25, 2019
Messages
46
Location
southern california
I have a 2002 Dodge Roadtrek 190P, no generator. On the control panel the lower right switch is "battery." It turns on the battery power to run lights, water pump, etc. when not on shore power. I turned it off the other day and it didn't feel right nor did power go off. I thought it was the switch so I bought a mini "MOM-ON/OFF/ON" switch at Camping world and put it in. Now nothing comes on! If I start the van, then the interior lights, water pump, etc. work just like it should. I have checked all fuses and breakers and now am at an impasse. I have not idea what to check next. I did take pictures of the wiring and think I have it wired back as it was (hope so).
Any and all help appreciated. Electrical problems baffle me.
Oh, also it seems to me we used to hear a click when we would turn house power on/off, IDK.
Thanks,
Steve
 
I have a 2002 Dodge Roadtrek 190P, no generator. On the control panel the lower right switch is "battery." It turns on the battery power to run lights, water pump, etc. when not on shore power. I turned it off the other day and it didn't feel right nor did power go off. I thought it was the switch so I bought a mini "MOM-ON/OFF/ON" switch at Camping world and put it in. Now nothing comes on! If I start the van, then the interior lights, water pump, etc. work just like it should. I have checked all fuses and breakers and now am at an impasse. I have not idea what to check next. I did take pictures of the wiring and think I have it wired back as it was (hope so).
Any and all help appreciated. Electrical problems baffle me.
Oh, also it seems to me we used to hear a click when we would turn house power on/off, IDK.
Thanks,
Steve


The switch should be a momentary on switch both ways with spring load to center off as it runs a bistable relay that uses two circuits, one to turn on and one to turn off.


The switch going bad probably blew a fuse or both fuses on the bistable relay. The relay is a round cylinder with two large connections and two fuses visible easily, probably black and near the shore charger/converter. The bistable relay is what you used to hear clunk.


The switch is on as a pulse only on both sides as relay moves both ways under power to turn on and off so both get power turned on to activate them one at a time.


You definitely need to find the right switch if that is not what you have, and then also find the relay to check the fuses.


If that doesn't fix it, you will need to dig deeper but do those easy things first.


Here is a link to the owner's manual, if you don't have one.


https://roadtrek.com/owners/#section-manuals


Here is a link to the 2002 Chevy 190 which is very likely wired similarly for the bistable relay and switch. See page E9 for the switch and other 12v wiring.



https://roadtrek.com/wp-content/uploads/2014/08/2002-Roadtrek_Owners_Manual_190_Chevrolet_model.pdf
 
Last edited:
Thank you so much for your quick reply. I think I have the correct switch as it does go back to center. I will have to figure out where the bistable relay that you mention is at. I guess that is separate from the inverter panel? I'll work on this next week.
 

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