Question about 1999 Oldsmobile Alero

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Switch for blower motor for heat & ac

1999 ols areo 2.4 liter,,, the heater and ac blower motor works only on 3 and 4 1 and 2 dont work

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Sounds like you need a blower motor resistor. It has bad paths between the 1 and 2 speed circuits.

Posted on Jun 02, 2009

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Jan 30, 2016 | 1977 Buick Electra

1 Answer

I have a 1999 mitsubishi diamante and I turn on


Check the Resistor unit.
This stops the blowers working ,
sometime number 1 on the heater switch will but nothing else .
No 2/3/4 working on heater switch.
Pic of the Ford type attached. 52a8e2d5-50bf-4014-9cda-8deb365f4870.jpg

Oct 10, 2014 | Cars & Trucks

1 Answer

The heater blower motor stopped working on my 95 suzuki sidekick.


if it dont blow on high , it can only be 3 things. (wires are always suspect and conn.. in all electrics.)
1: blown fuse.
2: bad switch (see link, below for how to fix THIS switch.)
3: bad blower motor.
there are 2 ways to find it, not guessing...
A: use a voltmeter, Got 12vdc to motor on fan?
no ? then got 12vdc into switch? yes, then switch is blown
B: hot wire fan, work now, yes, motor good.

see no heat page'

http://www.fixkick.com/AirCond/heater.html


see it here. the 25amp fuse, fan draws about 15amps
http://www.fixkick.com/power-elect/fusepanel-left-knee1w.jpg

most cars call this blower. (new cars have up to 5 fans)

these Suz, dont have spare switches now, for many older year cars.
see list above for p/n of the ones they do, this is one of the hardest
parts to source on zuk and some have CAMI switches and others have Japan real . (production options..)

Feb 11, 2014 | 1995 Suzuki Sidekick

1 Answer

1999 VW Passat AC/heat doesn't work? The belt broke this summer? I was told should still blow heat even if no belt?


If you are talking about the belt for the ac compressor, yes the heater should still work.
If the blower is not working, you will need to have the blower motor checked for voltage and ground.

Dec 18, 2012 | 1999 Volkswagen Passat

1 Answer

Type your problem for a solution..HEAT NOT BLOWING FUSE OK.


REMOVE HEATER BLOWER MOTOR AND HOT WIRE IT.IF HEATER BLOWER MOTOR WORKS WHEN HOT WIRED EITHER BLOWER RELAY BAD OR AC AND HEATER CONTROL SWITCH NOT WORKING.IF BLOWER DONT WORK WHEN HOT WIRED BLOWER MOTOR IS BAD.

Oct 25, 2011 | 1997 Nissan Quest

1 Answer

99 olds heater heats,but doesnt come on


CHECK HEATER AND AC IGNITION 10 AMP FUSE UNDER HOOD JUNCTION BOX.IF ALL IS GOOD CHECK BLOWER MOTOR FUSE AND RELAY.IF ALL LOOKS GOOD. TURN ON CONTROL SWITCH TO CHECK TO SEE IF POWER GOING TO BLOWER MOTOR IF YES BLOWER MOTOR BAD.IF NO POWER GOING TO BLOWER MOTOR FUSE AND RELAY GOOD.YOU HAVE BROKE WIRE BETWEEN SWITCH AND BLOWER MOTOR OR CONTROL SWITCH FAULTY. TO GET TO BLOWER MOTOR ITS LOCATED UNDER THE DASH ON PASSENGER BEHIND GLOVE COMPARTMONT YOU DONT HAVE TO REMOVE GLOVE BOX ITS JUST BELOW IT FAR BACK.YOU NEED TURN OFF RADIO FIRST THEN DISCONNECT NEGATIVE BATTERY CABLE WAIT 20 MINUTES THIS DISABLE AIRBAGS AND THE BCM.REMOVE BLOWER MOTOR HOTWIRE IT TO SEE IF ITS WORKS. IF NO BLOWER MOTOR NO GOOD.IF BLOWER MOTOR GOOD THE AC AND HTR CONTROL SWITCH IS BAD DEALERSHIP FIX.

Dec 30, 2010 | 1999 Oldsmobile Alero

1 Answer

The heat will not work at all as well as the a/c it just quit


CHECK AC / HEATER IGNITION FUSE IT WILL BE 10 AMP FUSE.CHECK HVAC BLOWER 20 AMP FUSE.HAVE BLOWER MOTOR HOTWIRE TO SEE IF BLOWER MOTOR WORKS.BECAUSE THE AC / HEAT CONTROL MODULE OR SWITCH COULD GO BAD WHERE NOTHING WORKS.

Nov 27, 2010 | 1999 Oldsmobile Alero

1 Answer

My heater and A/C dont work and before it stopped totally the heat on worked on high. where can i get instuctions on how to fix this


The blower motor resister has gone out,it is next to the blower motor,and the blower motor is bad to,this blower motor was drawing to many amps,and has burned out the blower motor resister.

Jan 01, 2010 | 1999 Pontiac Grand Prix

1 Answer

2004 Ford F150 - AC/Heater blower speed 1 & 2 not working.


You might have a bad speed selector switch, or your blower motor resistor is faulty.

Mar 17, 2009 | 2004 Ford F150

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