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Author Topic: heater fan qeustion  (Read 844 times)

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Offline bestos

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heater fan qeustion
« on: December 12, 2008, 08:25:48 AM »
hey people,

my heater has 3 fan settings, off, 1 and 2 (just like everyone else's).  The fan only blows on 2 (high speed).  does not blow on 1 (slow speed).  what could be the problem?
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Offline Jeffy

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Re: heater fan qeustion
« Reply #1 on: December 12, 2008, 11:24:38 AM »
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Offline bestos

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Re: heater fan qeustion
« Reply #2 on: December 12, 2008, 01:11:35 PM »
even though i am YJ, I am SURE mine is the same prob.  i have so so so much water in my floor when it rains, and it can get rusty here on eastern shore too.  i need to get new windshield gasket to shore up these leaks, heading to autozone tomorrow after i pull it apart!! thanks jeffy
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Offline bestos

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Re: heater fan qeustion
« Reply #3 on: December 13, 2008, 12:01:12 PM »
update, previous thread was TJ,

i cant find the relay the pictures of the thread were showing.  am i looking too high OR

is my heater core is different design because im YJ.  I looking at Haynes manual, there are isa switch behind the Heater control - and there is also an AIR DOOR Switch, which one cold be baD?

« Last Edit: December 13, 2008, 12:26:20 PM by bestos »
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Offline Jeffy

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Re: heater fan qeustion
« Reply #4 on: December 13, 2008, 01:03:14 PM »
3. BLOWER MOTOR INOPERATIVE (LO, M1 & M2 Positions)

Ignition switch in RUN, select switch in HEAT.
² Blower resistors connector (Terminal D) should be
battery voltage. If not, replace select switch.
² Blower resistors connector (Terminal C) should be
battery voltage. If not, replace blower switch.
² Blower resistors connector (Terminal A) should be
battery voltage. If not, replace blower switch.
² Blower resistors connector (Terminal B) should be
battery voltage. If not, replace blower resistor.

I don't believe the YJ's have that resister pack that the TJ's do.  You'll want to check the switch and the blower motor.
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Youtube Channel: https://www.youtube.com/channel/UCZNlr60GXH5OlKIFrT7P6mg
My Jeep: http://4bangerjp.com/forums/index.php?topic=2783.0
"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline bestos

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Re: heater fan qeustion
« Reply #5 on: December 13, 2008, 07:08:53 PM »
jeepforum also helped some, they said the same jeffy,

usually Resistor pack (every once in awhile, bad switch)

i got a post over there requesting for a picture of a resistor pack in a YJ.  no hits yet.  will call dealer for parts on monday.  getting colder now, cant run fan full speed all time, and it too cold to run on 0.  i like my middle option :)
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Offline bestos

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Re: heater fan qeustion - PROBLEM SOLVED
« Reply #6 on: December 14, 2008, 12:46:25 PM »
PROBLEM SOLVED.  Someone finally got me a pic of where the Resistor pack is located.  right above the vent on passenger, the connector plugs in there... well i looked, and the connector was NOT plugged in :)  plugged in, and now i have my mid range fan again :) sweetness!

thanks for the comments
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