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Old 04-10-2019, 09:55 PM   #1
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No Power to Bathroom\Water Pump\ Heater and more

1999 National Seaview 34'
Ford V10


Out of no where I lost power to:

- The bathroom light\fan switch
- Vanity light \ Water pump switch
- Heater does not work from the controls in the middle of coach or in the back\Master Bedroom of the coach (but the AC works from both controls)
- Check Gauge for fresh water,gray water,black water,battery and LPG has no power
- Also on the Check Gauge Cluster is the other controls for the water pump and the water heater which both have no power.

The rest of the coach has power including the outlet in the vanity and all other lights through out the coach.

I have it currently plugged in but does not make a difference on power source.

I have checked the breaker panel in the bedroom and the fuse box to the right of the front door and the fuse box under the hood and all fuses seem to be ok.

I also checked all GFI's even though they are not really related



Please Help

Thank you
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Old 04-10-2019, 10:48 PM   #2
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Everything on your no workie list is 12V DC.......


Can NOT properly check FUSES via a visual inspection.
Need to TEST that you have DC to fuse and THRU the fuse
Could be bad fuse, could be loose fuse holder, could be bad circuit on DC Dist Board


Too bad the Fuses are not labeled.....
So time to test the fuses
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Old 04-10-2019, 10:53 PM   #3
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Under hood fuses should all be chassis circuits, so forget those for now.
Like OB said you cannot rely on visual inspection of fuses. The only way to check them is with w meter. You need to start at the converter and verify its putting out 12VDC and move out from there until you find the problem(s).
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Old 04-10-2019, 11:11 PM   #4
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Check the ground wire on the batt for corrosion
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Old 04-10-2019, 11:19 PM   #5
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Quote:
Originally Posted by bjlakatos View Post
Check the ground wire on the batt for corrosion
Not the problem all other 12 volt lights are working.
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Old 04-11-2019, 10:03 AM   #6
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I go with old biscuit must be a fuse. Should be in the panel to the right of your entry door
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Old 04-14-2019, 02:04 PM   #7
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Quote:
Originally Posted by Old-Biscuit View Post
Everything on your no workie list is 12V DC.......


Can NOT properly check FUSES via a visual inspection.
Need to TEST that you have DC to fuse and THRU the fuse
Could be bad fuse, could be loose fuse holder, could be bad circuit on DC Dist Board


Too bad the Fuses are not labeled.....
So time to test the fuses
Quote:
Originally Posted by Vaflatlander View Post
I go with old biscuit must be a fuse. Should be in the panel to the right of your entry door


So I found this on another thread


[IMG]12 Volt Distribution Panel by stevhutchins, on Flickr[/IMG]


I check all the the fuses with a multimeter and everything was good.

Any other suggestions?
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Old 04-14-2019, 02:33 PM   #8
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Per that diagram....
Lower right section is an 8 pin connector (J2) that fuses supply to 2 harnesses
1 Harness is the 'Hold. Tk' harness with LPG Detect, water pump, bathroom lights, CO Detect.
1 Harness is the 'Roof Harness' with A/C Units and Fans


Did to test/verify that each PIN in that connector has 12V DC Voltage?
If YES.then issue is downstream and could be harness
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