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Old 01-19-2023, 01:24 PM   #1
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Join Date: Jan 2023
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New owner/member, '98 SeaBreeze

As mentioned, I have a 1998 SeaBreeze on the P30 Workhorse chassis with the 7.4L 454. Love it, runs great, got a good deal on a 25k motor coach.

Has a few issues, one I'm trying to track down is the dash AC controls. Previous owner stated all components were serviced and charged, with a new AC compressor included.

The compressor will not engage in AC or defrost modes.

He said they stated there was a compressor relay that they could not find, and I seem to be having the same issue. I see the chassis fuse panel by the drivers side left foot, but nothing there is large enough (or labelled) as AC controls. Many searches yield some Nationals have a relay panel inside the engine bay under the hood, yet I see nothing that stands out. It really is a mystery to me.

Any ideas?
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Old 01-20-2023, 12:42 AM   #2
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Location: Horse Town USA, CA.
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90% of the dash AC system was supplied by Evans Tempcon. You will need a schematic to trace the problem. I don't have a schematic but someone should be able to supply you one.
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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Old 01-24-2023, 02:37 PM   #3
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1997 Tropical fuses

In my 1997 Tropical I have fuses in the bay to the left of the entry door. Since I have an F53 chassis it may be different than yours but the manufactured years are close.
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Old 01-24-2023, 10:57 PM   #4
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Posts: 278
Check the freon, if the system is low the clutch won't engage, get power, there may also be an inline fuse near the compressor.
Ray, Cheryl, O'Connell and of course Miss Molly Silky Terrier mix

2006 Dolphin 5355
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breeze, new owner, seabreeze

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