| Re: [GMCnet] Fan? [message #325984 is a reply to message #325981] |
Mon, 13 November 2017 23:15   |
amansfield1104
Messages: 80
Registered: August 2009
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Yes it sounds like it needs a new fan motor. I will cut the wire and tape it so it does not short. I might be good for other things.
Art
> On Nov 13, 2017, at 7:26 PM, Ken Henderson wrote:
>
> Art,
>
> Quite aside from the question of whether you need a new blower motor,
> there's the fact that the fan always runs when the key is on. That's a
> design feature intended to keep the cockpit ventilated. Most of us figure
> that after 40 years, the cockpit will ALWAYS be ventilated. So, many of us
> make very simple modification that defeats the always-running blower: At
> the left (driver's) side of the HVAC box under the hood, near the firewall
> and the bottom of the box, there's a multi-wire connector which feeds the
> blower speed resistor pack onto which it's plugged. One of the wires into
> that connector is Yellow. If you do ONE of the following 3 tricks, you'll
> defeat the run-with-ignition feature, leaving all other functions of the
> blower switch unchanged: 1. Cut the yellow wire, 2. Remove that wire
> from the connector, or 3. Unplug the connector, bend that pin over on the
> mating male connector, then re-attach the removed connector. In simpler
> words, disconnect that yellow wire.
>
> For some later modification, that disconnected yellow wire may prove
> useful, since it's always "hot" when the ignition is "On".
>
> Ken H.
>
>
> On Mon, Nov 13, 2017 at 7:57 PM, 1104agm wrote:
>
>> I have 76 and the fan runs when ever the key is on. It sounds like the
>> fan has gone bad. I would like to unhook the wire that connected to the
>> fan when they is on. If I remember I need to disconnect the red wire but
>> it has been a long time since I read how to disconnect the fan when the key
>> is on. I was charging the battery and turned the key on and was surprise
>> that the voltage was so low. Charger was set to 10 amps and the fan was
>> dropping the voltage about 1.5 volts. So that is way to high so the fan
>> needs to go. I need to rebuild the heater and the AC system if I am going
>> to use the RV much. Looks like a lot of work.
>>
>> Had not planned to use the RV this year and now we are heading out to
>> visit my wife uncle who’s cancer and is not doing to good. Tried to take
>> the car but she wanted to go in the RV. So will be heading out in coupler
>> days. I have done a few things on the RV but it really needs more tender
>> loving care than it got this year. Next year I know I will be making my
>> every other trip to up state NY. That one I look forward to as we stay
>> next to lake and my wife favorite eating place. This time we will be going
>> to another high school graduation.
>>
>> I started to grease the RV and could not get my grease gun to work.
>> Everything is normal for me when I decided to pull out the RV. Last year
>> it was a bad alternator that quit the day before I was getting ready to
>> leave. A week earlier it was fine when I took the RV for a ride to check
>> it out.
>>
>> Art
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