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Old 07-09-2012, 04:18 PM   #1
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No DC Power

I have a 1996 Holiday Rambler Endeavor Diesel with no DC power, unless I'm plugged into shore power or the generator is running. I have checked the batteries, power converter and fuses, all check good. Any ideas where to check next.

Thanks T. J.
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Old 07-09-2012, 06:46 PM   #2
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Hi boge513,
Consider posting this question in the Monaco Owner's Forum. On the iRV2 main page, scroll down about 1/2 way and you'll see the Owner's Forums. I suggest this because the cause of your problem may be specific to how HRs are built. The best place to find this knowledge is the Monaco Owner's Forum. Nobody knows your coach like somebody who owns one just like yours.

Gut feel says there is a problem between the coach batteries and the 12 VDC fuse panel for the coach.
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Old 07-09-2012, 06:47 PM   #3
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Just remember what the DC runs on battery. Overhead lights and water pump are the main circuits.TV and any other 120 volt circuits will not work on battery power without inverter
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Old 07-09-2012, 07:42 PM   #4
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Your 10 dollar digital volt meter from Harbor Freight is your friend, (Or it's equal, or superior) in fact a test lamp will do if you must (I rather like test lamps).

Measure the battery voltage AT THE BATTERY, 12.6 resting, 13.6 if plugged in, GOOD.

Now move the black lead (NEGATIVE) to an exposed part of the RV frame, same reading Great. Less, bad ground connection. either end of cable.

Now let's move out along the wire, this is where the test lamp really shines,,, or not (If it shines good, if not you found the problem).

With reference to any handy frame point, check for power.

If you come to a small metal cube like thing with two bolts, nuts and lock washers, test both, odds are only one has power, that's a self resetting thermal circuit breaker that has failed, get a new one.

If you come to something that looks a bit like a Ford Starter solenoid, that is a disconnect solenoid and they have two failure modes.. one is bad solenoid, the other is SUE, that's Stupid User Error (Forgot to turn it on) Though in fairness when mine failed *I* turned it on (or tried to) Switch was bad (Fixed it next day).

And so on,, But that is how you do it.

Of course if the batery itself shows no voltage,, Problem located.
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Old 07-10-2012, 12:23 PM   #5
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Thanks everyone for the advice. I will start troubleshooting as soon as the grandsons leave. (They always want to help) I will let you know what I find.

T. J.
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