| A little blower motor help? [message #261963] |
Mon, 15 September 2014 12:16  |
Otterwan
Messages: 946
Registered: July 2013
Location: Lynnwood (north of Seattl...
Karma: 0
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I'm trying (without success) to find the mod so that the blower motor doesn't run anytime the ignition is on. Can someone please point me in the right direction? Thanks - Dave
1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."
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| Re: A little blower motor help? [message #261965 is a reply to message #261963] |
Mon, 15 September 2014 12:22  |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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Sir: open the drivers outside hatch and look at the side of the heater box. There is a plug there. Unplug the connector and using a paper clip unlock the tab on the yellow wire and slide it out of the connector and tape it off as it will be hot when ignition is on. Plug the connector back up. I am in the process of installing the Ford aux vacuum pump and plan on using this yellow wire to go to the vacuum switch to power a relay for the pump.
Otterwan wrote on Mon, 15 September 2014 13:16I'm trying (without success) to find the mod so that the blower motor doesn't run anytime the ignition is on. Can someone please point me in the right direction? Thanks - Dave
C. Boyd
76 Crestmont
East Tennessee
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| Re: [GMCnet] A little blower motor help? [message #261973 is a reply to message #261965] |
Mon, 15 September 2014 13:34 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Another useful little trick for those with the 75/76 Max Air duct under the
dash, which forces the blower to Max when selected:
Running from the right to the left side of the HVAC control head, under the
instrument cowling, there's an orange wire. Unplug that wire and you'll
regain full speed control of the blower motor.
Ken H.
On Mon, Sep 15, 2014 at 1:22 PM, Charles Boyd
wrote:
> Sir: open the drivers outside hatch and look at the side of the heater
> box. There is a plug there. Unplug the connector and using a paper clip
> unlock the tab on the yellow wire and slide it out of the connector and
> tape it off as it will be hot when ignition is on. Plug the connector
> back
> up.
...
> Otterwan wrote on Mon, 15 September 2014 13:16
>> I'm trying (without success) to find the mod so that the blower motor
> doesn't run anytime the ignition is on. Can someone please point me in the
>> right direction? Thanks - Dave
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: A little blower motor help? [message #261990 is a reply to message #261963] |
Mon, 15 September 2014 19:50 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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I would never defeat the always on blower in my coach. It gives you positve pressure freash air when the engine is producing CO.
John Lebetski
Woodstock, IL
77 Eleganza II
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