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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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Old 05-15-2013
Swagger Wagon Swagger Wagon is offline
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Default loss of power

I've got a problem I haven't found a thread for on the site. If it's here and I've missed it, I apologize for missing it. I seem to have lost power to the dinette information center. Should I be looking for a burned fuse or tripped breaker or the like?
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joe rigg
aberdeen, sd
1986 PT40

Last edited by Swagger Wagon; 05-15-2013 at 09:01 PM.
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Old 05-15-2013
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Dieselbird01 Dieselbird01 is offline
John Wyatt – Administrator/Moderator
 
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Quote:
Originally Posted by Swagger Wagon View Post
I've got a problem I haven't found a thread for on the site. If it's here and I've missed it, I apologize for missing it. I seem to have lost power to the dinette information center. Should I be looking for a burned fuse or tripped breaker or the like?
Hi Joe,

Is your electronic master switch turned on? In addition to the main 12 volt disconnect switch that’s by the emergency brake knob you should also have an electronic master switch that powers things like the radio memory, 12V refrigerator supply, the systems monitoring panel, etc. The electronic master on my 84 1/2 PT-36 was in the last aircraft style overhead cabinet on the driver’s side just before the kitchen area.
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John Wyatt
Titusville, Florida
1991 40' WLWB-WTB
Body Number F095567
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1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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Old 05-16-2013
Swagger Wagon Swagger Wagon is offline
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Yes sir. The master switches are yet on. It's been on shore power all winter and the dinette went down just recently.
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aberdeen, sd
1986 PT40
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Old 05-16-2013
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Originally Posted by Swagger Wagon View Post
Yes sir. The master switches are yet on. It's been on shore power all winter and the dinette went down just recently.
You might want to check the load center where the electronic master switch is located. It's been too many years to remember what fuses are there but I do remember there was a fuse for the refrigerator in that load center so there may be a fuse for the systems monitoring panel there as well.
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John Wyatt
Titusville, Florida
1991 40' WLWB-WTB
Body Number F095567
My Location: http://www.bbirdmaps.com/user1.cfm?user=4

1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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Old 05-16-2013
Swagger Wagon Swagger Wagon is offline
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Thanks. I'll go there next.
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1986 PT40
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Old 05-16-2013
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Hi Joe,

Sorry it’s taking so long to reply - I’m working with a super slow (sick) computer that I haven’t fixed yet so I’m having trouble accessing my schematics and other programs.

I did find a little info on my 84 ½ PT-36 but it may or may not apply to your coach.

On my 84 ½ it appears there was a fuse (in the load center near the electronic master switch) that fed a fuse block in the “rear load center”. A fuse located on the fuse block in the “rear load center” appears to have fed a “PMMI Panel” which may have been the systems monitor panel but I'm not sure?

The rear load center in question was located behind a removable back panel, back where the rear view camera was mounted on my 84 ½.
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John Wyatt
Titusville, Florida
1991 40' WLWB-WTB
Body Number F095567
My Location: http://www.bbirdmaps.com/user1.cfm?user=4

1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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