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Old 05-09-2021, 10:25 AM   #1
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No Power to Dash 2016 Newmar Essex

I started my coach this morning and aired everything up to rig down. I rigged down everything and when I went to start to Chaco no power to dash, no lights, blower or anything else. Ive checked fuses and power at various points. Any ideas? I Trying to head home.
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Old 05-09-2021, 11:03 AM   #2
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You have the hwh fws on your coach? if the fws does not operate as well, it is likely the 150A fuse in the pdm box is blown. it helps to know the chassis you have on your coach. the 150A on fccc cuts all power to the dash and ign.
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Old 05-09-2021, 11:43 AM   #3
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You have the hwh fws on your coach? if the fws does not operate as well, it is likely the 150A fuse in the pdm box is blown. it helps to know the chassis you have on your coach. the 150A on fccc cuts all power to the dash and ign.
He mentioned he started the coach and aired up. I don't know what rig or rigged down means.
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Old 05-09-2021, 11:56 AM   #4
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Quote:
Originally Posted by Rd1 View Post
You have the hwh fws on your coach? if the fws does not operate as well, it is likely the 150A fuse in the pdm box is blown. it helps to know the chassis you have on your coach. the 150A on fccc cuts all power to the dash and ign.
Agree with your analysis. I had this happen 2 years ago in Whitehorse, YT on a holiday weekend. I lost all dash lights, power to the HWH pump, and anything off the ign. Bad news finding something to jury rig a fix to get to Fairbanks.
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Old 05-09-2021, 07:20 PM   #5
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150 Amp Fuse Near Chassis Disconnect

As a couple of you mentioned i did in fact find the 150 AMP fuse blown. It is located in a box behind a panel that has four bolts holding it. The panel is next to the chassis disconnect switch.

I built an inline fuse holder using 1/4” eye connectors and female blade connectors and a couple of short pieces of wire. I then used a standard 35 amp ATC fuse. The 35 amp fuse was sufficient to start and run the coach and we made it 300 miles down the road but the fuse wasn’t large enough to operate the slides once we reached our destination. I’ll be looking for a replacement tin the morning. I hope this helps someone in the future.

I would highly recommend adding one of these to your tool box. Click image for larger version

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Old 05-09-2021, 07:48 PM   #6
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Quote:
Originally Posted by DWJONES View Post
As a couple of you mentioned i did in fact find the 150 AMP fuse blown. It is located in a box behind a panel that has four bolts holding it. The panel is next to the chassis disconnect switch.

I built an inline fuse holder using 1/4” eye connectors and female blade connectors and a couple of short pieces of wire. I then used a standard 35 amp ATC fuse. The 35 amp fuse was sufficient to start and run the coach and we made it 300 miles down the road but the fuse wasn’t large enough to operate the slides once we reached our destination. I’ll be looking for a replacement tin the morning. I hope this helps someone in the future.

I would highly recommend adding one of these to your tool box. Attachment 327808
At least you found the issue, you were able to jury-rig a temporary fix, and the real fix is not hard. The fuses are on Amazon if you can't find them elsewhere. Our local West Marine carry them and you might find them at a Freightliner shop. BTW, the HWH pump will pull around 205 amps when first starting. When I inquired about why a fuse smaller than what is drawn is used, they said the load is of a short duration, fuse is slow blow, and should last for awhile. Not last forever though. Bottom line is you probably don't have an underlying issue.
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