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09-03-2012, 11:53 AM
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#1
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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12v not reaching coach
2003 itasca sunova... 12v not communicating with the coach. All batteries fully charged, all fuses are good, all circuits on...when plugged in, coach lights up, when unplugged... Nothing! Problem occurred when running generator... With a/c running, tv running and turned on microwave. Can't trace where the problem is.... Any suggestions? Btw in 106 degree temps... Any quick help would be much appreciated!!!!!!
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09-03-2012, 12:34 PM
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#2
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Winnebago Owner
Join Date: May 2012
Location: NC
Posts: 68
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Have you checked your coach disconnects it will cut all battery power if it's off
__________________
Mark Anderson - Nebo NC - western NC - RV Restoration tech - 9 Doggies - Outdoors person
1990 33ft Wilderness Cimarron 33X
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09-03-2012, 12:48 PM
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#3
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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Quote:
Originally Posted by nightriderrv
Have you checked your coach disconnects it will cut all battery power if it's off
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I am assuming you mean the on/off switch for the batteries... And if that is so, yes... It is in the on position.
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09-03-2012, 01:16 PM
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#4
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Winnebago Watcher
Join Date: Dec 2009
Location: Easton, Ks
Posts: 4
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Check the circuit breakers on the gen set.
__________________
Bill
1995 COACHMEN Santara 350FL on a 1994 Ford F53
[email protected]
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09-03-2012, 01:20 PM
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#5
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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Quote:
Originally Posted by subford
Check the circuit breakers on the gen set.
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Excuse my ignorance... Would that be on the generator itself? If so, will it look like a normal breaker?
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09-03-2012, 01:26 PM
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#6
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Winnie-Wise
Join Date: Jan 2012
Location: Cincinnati
Posts: 486
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Since it worked while plugged in to shore power, then nothing when disconnected, it sounds like your batteries are not connected, your 12 v power was coming from inverter/charger only. Check battery cables and connections, including ground cable.
__________________
Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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09-03-2012, 01:35 PM
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#7
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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Quote:
Originally Posted by BFlinn181
Since it worked while plugged in to shore power, then nothing when disconnected, it sounds like your batteries are not connected, your 12 v power was coming from inverter/charger only. Check battery cables and connections, including ground cable.
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The generator will not start either now, would this be a symptom of the inverter as well?
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09-03-2012, 01:44 PM
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#8
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Winnebago Watcher
Join Date: Dec 2009
Location: Easton, Ks
Posts: 4
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Quote:
Originally Posted by Kaylinsgigi
The generator will not start either now, would this be a symptom of the inverter as well?
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It means that there is an open in the 12 volt line from the batteries to the starting motor or windings in in the gen if it does not have a starting motor.
Check you battery connections to the frame and to the disconnect. You have a bad connection somewhere if your batteries are OK. Have them load tested.
__________________
Bill
1995 COACHMEN Santara 350FL on a 1994 Ford F53
[email protected]
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09-03-2012, 01:45 PM
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#9
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Winnebago Owner
Join Date: Jun 2009
Posts: 107
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Sounds like a symptom of dead house batteries.
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09-03-2012, 01:46 PM
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#10
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Winnie-Wise
Join Date: Jan 2012
Location: Cincinnati
Posts: 486
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Yes, the generator works off the the coach batteries, so it sounds like your batteries are not connecting to the coach. Check cables and battery disconnect solenoid. Sometimes a gentle tap on it can help it connect.
__________________
Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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09-03-2012, 01:53 PM
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#11
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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Quote:
Originally Posted by Triker56
Sounds like a symptom of dead house batteries.
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House batteries are fully charged.
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09-03-2012, 01:54 PM
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#12
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Winnebago Owner
Join Date: May 2012
Location: NC
Posts: 68
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Jump the solenoid with a jumper cable to see if the coach comes back on also when the switch is turned off and on you should hear it click or pop when solenoid is pulled in
__________________
Mark Anderson - Nebo NC - western NC - RV Restoration tech - 9 Doggies - Outdoors person
1990 33ft Wilderness Cimarron 33X
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09-03-2012, 01:58 PM
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#13
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Winnebago Watcher
Join Date: Dec 2009
Location: Easton, Ks
Posts: 4
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Quote:
Originally Posted by Kaylinsgigi
House batteries are fully charged.
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Maybe.
Two months ago my chassis battery had 12.8 Volts but as soon as I put the smallest light bulb on it it would go to about 2 volts. The engine would not start either and it had been running just minutes before.
Replaced battery and she started right up.
__________________
Bill
1995 COACHMEN Santara 350FL on a 1994 Ford F53
[email protected]
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09-03-2012, 02:03 PM
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#14
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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Quote:
Originally Posted by subford
Maybe.
Two months ago my chassis battery had 12.8 Volts but as soon as I put the smallest light bulb on it it would go to about 2 volts. The engine would not start either and it had been running just minutes before.
Replaced battery and she started right up.
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Engine starts with no problem. The coach is only experiencing the issues.
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09-03-2012, 02:12 PM
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#15
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Winnebago Watcher
Join Date: Dec 2009
Location: Easton, Ks
Posts: 4
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Quote:
Originally Posted by Kaylinsgigi
Engine starts with no problem. The coach is only experiencing the issues.
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That was an example about batteries. It had nothing to do with your engine starting.
__________________
Bill
1995 COACHMEN Santara 350FL on a 1994 Ford F53
[email protected]
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09-03-2012, 02:20 PM
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#16
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Winnebago Owner
Join Date: May 2012
Location: NC
Posts: 68
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Sounds like batterys are not connected need to find solenoid and test for volts on the side from battery if it's there jump it and see if power comes on
__________________
Mark Anderson - Nebo NC - western NC - RV Restoration tech - 9 Doggies - Outdoors person
1990 33ft Wilderness Cimarron 33X
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09-03-2012, 04:22 PM
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#17
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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Quote:
Originally Posted by subford
That was an example about batteries. It had nothing to do with your engine starting.
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Ah, got it... Thanks!
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09-03-2012, 08:18 PM
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#18
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Winnebago Owner
Join Date: May 2012
Location: NC
Posts: 68
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Let us know what happens
__________________
Mark Anderson - Nebo NC - western NC - RV Restoration tech - 9 Doggies - Outdoors person
1990 33ft Wilderness Cimarron 33X
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11-22-2012, 01:54 AM
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#19
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Winnebago Camper
Join Date: May 2012
Location: Norco, CA
Posts: 19
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Quote:
Originally Posted by nightriderrv
Let us know what happens
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Finally broke down and took her in. Turns out there was a faulty line in the panel under the coach, the technician said we would have never found it on our own.
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