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Old 05-10-2018, 04:17 PM   #1
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Dash ac

Just purchased a brand new coachmen pursuit. Dash ac not working. Took to a ford dealer in my lil hometown in western nc and found that there's some wires not connected to some plugs on heater box. Can't seem to get much info from where I bought it yet so thought I'd put my feelers out on here. Heres a pic of mine and a pic the dealer sent me of one on their lot.

Anybody have any idea where those wires come from?
Thanks In advance
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Old 05-10-2018, 07:34 PM   #2
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The wires should be coming from the dash controls. When you select the AC mode the relay should kick in the compressor and the top wires will kick it out when the unit gets to cold and starts icing up. Most likely the wiring harness is try wrapped up with some of the wiper harness.
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Old 05-10-2018, 07:45 PM   #3
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I will look into that in the morning, at least an option. I really didn't have an idea where to start.
Thanks
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Old 06-19-2018, 07:05 AM   #4
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Dash ac

Go to the Evans Tempcon website. There are excellent troubleshooting guides there to get you started.

Also check out the FR3 forum here as another person was also having dash AC troubles.

Note the dash AC has components from Ford and Evans, then these are shoehorned into the RV by the RV builder, in this case FR.
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Old 07-07-2018, 01:24 PM   #5
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Here is some docs I have.
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File Type: pdf EVANS TYPICAL ELECTRONIC ROTARY WIRING DIAGRAM.pdf (290.6 KB, 9 views)
File Type: pdf Evans%20Parts%20VS%20Ford%20Parts[1].pdf (94.1 KB, 6 views)
File Type: pdf vacuum_logic_diagrams.pdf (49.2 KB, 4 views)
File Type: pdf vacuumtsg.pdf (74.5 KB, 4 views)
File Type: pdf Warranty Schematics Ford.pdf (831.0 KB, 5 views)
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Old 07-07-2018, 01:28 PM   #6
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Also here are two pics but won't show much other than the blue wires and the hot water valve.
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