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Old 12-02-2009, 05:29 AM   #21
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1974 20' Argosy 20
Richmond , Kentucky
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Originally Posted by todbot View Post
I have a 1978 28' Argosy motorhome that has been a pleasure to own! We have had it for just under a year. We have figured out most of its quirks, but a few things remain a mystery. One of the items on the list is a red toggle switch that is to the right of the ignition and to the left of the a/c toggle switch. It lights up when you flip it, but it doesn't seem to do anything. Anyone have any idea what it may do? Also there is a pull that says heater on it that is next to the window on the passenger side. I can heat a damper move when it pushes in or pulls out, but the manual has not info on what it does in either position. Thanks in advance for the help!

I can think of a couple of different possibilities. It could be your electric fuel pump as others have suggested or it could be your fuel tank diverter valve if you have dual tanks. Our 1974 20' Argosy MH has dual tanks and has a switch added on the dash. The tank appears to have been added by Airstream but the switch on the dash had no labels on it.

Definitely let us know what it is when you figure it out!

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Old 12-02-2009, 05:47 AM   #22
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Originally Posted by Lumatic View Post
There was an option in the 70s called a Thermosan. Pumped the black tank into the engine exhaust.
I've heard that a diesel being run on cooking oil smells like french fries. Wonder what this would've...Oh never mind


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Old 12-04-2009, 06:12 AM   #23
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See post #16 above for further explanation of the photo below.
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Old 12-04-2009, 06:19 AM   #24
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1977 31' Excella 500
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Check the front bumper for old fog light mounts/holes.
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Old 12-04-2009, 07:46 AM   #25
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I installed a similar switch on my last mh to turn off the radio as it's memory stayed active and drained battery when in long term storage, two weeks ;-(
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Old 12-04-2009, 08:25 AM   #26
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Originally Posted by tschat View Post
Check the front bumper for old fog light mounts/holes.
That would be my guess as well. Our "new" Suburban had those holes and that switch.
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Old 12-04-2009, 09:03 AM   #27
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Did the PO install one of these?


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Old 12-04-2009, 11:14 AM   #28
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1964 22' Safari
Foresthill , California
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red switches make things go BOOM...yellow ones make things eject!
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Old 12-04-2009, 03:24 PM   #29
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1962 19' Globetrotter
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1961 19' Globetrotter
Wheat Ridge , Colorado
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With all the negative stuff about the WBCCI ... the red switch is to turn off and on your red numbers....
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Old 12-04-2009, 05:00 PM   #30
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After fog lights and fuel system, another possibility is the PO put a cutoff switch to the annoying fan that is designed to run on lo whenever the ignition is on!
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Old 06-26-2010, 07:54 PM   #31
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1977 28' Argosy 28
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I have a 28' 1977 Argosy. I have two switches in about the same place that operate the dash mounted fans.
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