| [GMCnet] A/C MAX/HI SPEED [message #250377] |
Thu, 22 May 2014 14:05  |
larry erd
Messages: 132
Registered: August 2010
Karma: 0
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Senior Member |
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Just returned from a trip to the beach and
my A/C would not work on Max(fan will shut
off) and when I put the fan on HI the fan also
shuts off. I think this has been talked about
before but I don't remember.( What day is this)
It's working OK on the lower settings.
Thanks for the help
Larry Erd
77 ex Kingsley
named Murphy
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| Re: [GMCnet] A/C MAX/HI SPEED [message #250381 is a reply to message #250379] |
Thu, 22 May 2014 14:29  |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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Read here
http://gmcmotorhome.info/heat.html#fan
Erf
On Thursday, May 22, 2014, James Hupy wrote:
> Blower high speed only works when the alternator output is present. I would
> start with fuses, then center post of the isolator, then the resistor in
> the drivers side of the heater box. Lastly might be fan switch itself.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
> On May 22, 2014 12:05 PM, "Larry Erd"
> wrote:
>
>> Just returned from a trip to the beach and
>> my A/C would not work on Max(fan will shut
>> off) and when I put the fan on HI the fan also
>> shuts off. I think this has been talked about
>> before but I don't remember.( What day is this)
>> It's working OK on the lower settings.
>>
>> Thanks for the help
>> Larry Erd
>> 77 ex Kingsley
>> named Murphy
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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> GMCnet mailing list
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--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] A/C MAX/HI SPEED [message #250382 is a reply to message #250377] |
Thu, 22 May 2014 14:30 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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larry erd wrote on Thu, 22 May 2014 13:05Just returned from a trip to the beach and
my A/C would not work on Max(fan will shut
off) and when I put the fan on HI the fan also
shuts off. I think this has been talked about
before but I don't remember.( What day is this)
It's working OK on the lower settings.
Thanks for the help
Larry Erd
77 ex Kingsley
named Murphy
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
It could be the high speed relay or commonly a burned spade connector on the relay. The resister on the side of the airbox is not in the circuit on high speed.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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