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Old 07-27-2011, 12:09 AM   #1
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No house power after returning from trip.

2003 Itaska Spirit. No DC power to the house. Batteries at 13.7v. I checked the AUX BATT switch, and it is passing DC when actuated, but no relay click as usual. I just returned from a camping trip and went to check the test panel to make sure the tanks were empty, but there wasn't any DC power to the house. If I turn the ignition switch to ON, everything works fine including the familiar click of the AUX relay. As soon as I turn the ignition off, the house goes dead. I know electronics, but without a schematic I'm lost. All the fuses and resetable breakers appear okay.

Any ideas would be appreciated!
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Old 07-27-2011, 12:27 AM   #2
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That happened to me once before and I had accidently hit the 12V kill switch which on my coach is by the front door on the way out. I looked everywhere before I noticed that. Just a thought. Steve
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Old 07-27-2011, 12:40 AM   #3
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You might search for the wiring diagram here. At least it will give you a start on tracing the possible source of the problem. Sorry I don't much about your model.
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Old 07-27-2011, 03:10 AM   #4
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Quote:
Originally Posted by dunlapml View Post
You might search for the wiring diagram here. At least it will give you a start on tracing the possible source of the problem. Sorry I don't much about your model.
Thanks, I've already found my model. Looks like I have some tracing to do...
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Old 07-27-2011, 12:05 PM   #5
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Originally Posted by Caltrader View Post
2003 Itaska Spirit. No DC power to the house. Batteries at 13.7v. I checked the AUX BATT switch, and it is passing DC when actuated, but no relay click as usual. I just returned from a camping trip and went to check the test panel to make sure the tanks were empty, but there wasn't any DC power to the house. If I turn the ignition switch to ON, everything works fine including the familiar click of the AUX relay. As soon as I turn the ignition off, the house goes dead. I know electronics, but without a schematic I'm lost. All the fuses and resetable breakers appear okay.

Any ideas would be appreciated!
FIXED The ground cable leaving the battery compartment was snapped at the frame connection. The ring lug connector was quite corroded. I must have run over some debris that snagged the hanging cable leaving the camp site. I shortened the cable and attached a new copper ring lug, then replaced the star washer, and ground bolt.

I'm not sure why I was getting DC voltage at the AUX BATT switch unless it was coming from the engine battery thru the starter relay? That totally threw me off.
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Old 07-27-2011, 12:08 PM   #6
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Awesome! I know the feeling of solving a problem that seemed complex only to find it was actually 'nothing to get excited about'.
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Old 07-28-2011, 07:14 PM   #7
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Steve you just saved our bacon! I am SO grateful that this forum exists and thank you so much for this!!! We are now on our way!!!! THANK YOU THANK YOU!!!
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