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12-14-2010, 06:52 AM
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#1
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Junior Member
Join Date: Oct 2010
Posts: 8
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No DC power to motorhome
I have a 2006 Monaco Knight diesel motorhome and was justwondering if anyone could help locate a problem. I am getting no DC power to the home. A couple times the power went off and i touched the power cutoff switch and all DC power came back on. Yesterday the DC power went off again but the cutoff switch didn't work. just clicked. Any ideas would be helpful. It's cold in Florida today and no furnace...Thanks
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12-14-2010, 07:25 AM
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#2
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Senior Member
Join Date: Jan 2008
Location: Pensacola, FL
Posts: 413
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If you can find your house battery disconnect solonoid, you can bypass it with a heavy jumper wire to see if you get power back...Hopefully someone with your model coach will chime in to give you the location of the solonoid...
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12-14-2010, 07:26 AM
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#3
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Senior Member
Triple E Owners Club
Join Date: Aug 2010
Location: Pacific Northwest
Posts: 732
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Either your batteries are going bad, converter not working or the switch is bad. Try to jumper across the switch to see if your power comes back on.
__________________
1997 Triple E Empress, Freightliner Chassis, CAT 3126 w/ 275 horse's.
MD 3600 Tranny, 2011 Ford Escape Hybrid w/Blue Ox tow bar and Roadmaster Base Plate.
Amsoil Synthetic Oil only for my baby. 
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12-14-2010, 07:34 AM
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#4
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Senior Member
Monaco Owners Club
Join Date: Jan 2001
Location: Foley, AL
Posts: 1,247
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There is a large relay/solenoid in the front run bay under the driver's window. It will have a large battery cable on each side and two smaller wires. This relay is controlled by the switch by your front door to turn off the lights and is commonly called a Salesman's Switch. It is not needed except for convenience and can be eliminated. Disconnect and tape off the small wires, but not together. Then disconnect the two large wires and connect them together and tape them up real good. Use the battery disconnect switches in your battery bay to turn off the battery power to the coach.
The picture below will give you the idea but may not look exactly like what you have.
__________________
Rex
2001 Monaco Diplomat 40' PDQ - 08 Honda CR-V
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12-14-2010, 03:19 PM
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#5
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Senior Member
Join Date: Apr 2007
Posts: 470
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That relay is known to go bad but I've had no trouble with it....I have a cable ready to jump it god forbid it happens to me...because it also controls 12 volts to the AC/Fridge etc and if it goes, despite the fact you have shore power, you still need those 12 volts for the control boards.
__________________
Stuart and Stella Denning
2016 Entegra Aspire 42RBQ
3 Bullies and a Diesel Pusher
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12-17-2010, 02:11 PM
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#6
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Member
Join Date: Dec 2009
Location: Anywhere USA
Posts: 34
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I have a 2006 Camelot and have had the same problems. In the rear electrical compartment where the house and chassis battery cut-off switches are located is also a "breaker" switch. Its has a yellow arm and is either on or off. Mine flips sometimes. If I turn it off and then wait a minute and turn it back on power comes back. There's also a fuse right there by it - 20 amp I think. Check it.
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12-17-2010, 11:41 PM
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#7
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Member
Join Date: Dec 2010
Location: Huntington Beach, CA
Posts: 46
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Quote:
Originally Posted by glow4004
I have a 2006 Monaco Knight diesel motorhome and was justwondering if anyone could help locate a problem. I am getting no DC power to the home. A couple times the power went off and i touched the power cutoff switch and all DC power came back on. Yesterday the DC power went off again but the cutoff switch didn't work. just clicked. Any ideas would be helpful. It's cold in Florida today and no furnace...Thanks
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Just might be a loose connection at the switch. I would check that for sure! Be sure to post the conclusion.
Best of Luck 
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12-19-2010, 08:05 AM
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#8
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Junior Member
Join Date: Oct 2010
Posts: 8
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i did what REX advised and everything is working fine now. It must have been a defective solenoid. I think I will keep it bypassed but purchase a new one just in case. The only think that doesn't work now is the cutoff switch near the door
Glow4004/ ken
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12-19-2010, 09:48 AM
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#9
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Senior Member
Monaco Owners Club
Join Date: Apr 2008
Location: Carlsbad, NM
Posts: 116
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Quote:
Originally Posted by glow4004
i did what REX advised and everything is working fine now. It must have been a defective solenoid. I think I will keep it bypassed but purchase a new one just in case. The only think that doesn't work now is the cutoff switch near the door
Glow4004/ ken
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Your switch by the door won't work as you took it out of the circuit when you bypassed the solenoid.
__________________
Phil Carrell
Carlsbad, NM
2008 Monaco Executive, 2011 Chev Traverse
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12-20-2010, 03:52 PM
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#10
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Member
Join Date: Dec 2010
Location: Huntington Beach, CA
Posts: 46
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Quote:
Originally Posted by glow4004
i did what REX advised and everything is working fine now. It must have been a defective solenoid. I think I will keep it bypassed but purchase a new one just in case. The only think that doesn't work now is the cutoff switch near the door
Glow4004/ ken
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Congrats to you 
That's what these sites are all about!
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12-23-2010, 03:04 PM
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#11
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Senior Member
Monaco Owners Club
Join Date: Feb 2008
Posts: 2,175
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Please remember, especially if you leave the coach for a period of time with pets inside, that the "Salesman Switch" solenoid also controls the 12vdc power to the air-conditioner/heat thermostat(s)! You will lose control over cool/heat if the solenoid fails, even though you may still have 120vac available.
Happened to us. Happy ending, fortunately... We got home in time.
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11-30-2013, 03:16 PM
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#12
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Senior Member
iRV2 No Limits Club
Join Date: Sep 2013
Location: casa grande ariz.
Posts: 121
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same prblem with 2003 amer.tradition see fuses in batt.bay door bottons no work no lights fans water pump would like help
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12-02-2013, 09:22 AM
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#13
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Senior Member
Monaco Owners Club
Join Date: Apr 2011
Location: California
Posts: 788
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Rex,
Couldn't you simply move one of the heavy wires to the other side of the solenoid
and attach it on top of the other wire?
Wouldn't that bypass the bad solenoid and keep us from having to buy or build
a new jumper wire?
Thx
__________________
2006 Monaco Diplomat Atrium model, 41'
Cummins ISL-400HP CM850
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