Question about 1995 Mercury Mystique

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Fan control doesn't work

I am sure I need a replacement speed control for the heater fan, but can not see what panels have to come off or ow to get them off? Can I get advise on where to start.

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You will have to remove the panel from under the dash on the passenger side, I believe it has 4 push pins holding it up. Then you will be able to get to the resistor or the motor.

Posted on Feb 03, 2009

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1 Answer

How to disconect the control cables on 1997 geo metro heater control?


does the fan work on high.
yes, then the heater resistor block is burned up. replace that
or look at it to see if the coil there are burned up and gone.
please post systems first, then your guess.
the FSM covers all this, step by step, take apart dash. under
HVAC chapter,.
alldata.com log in and its there.
factory service manual.
removing the control is tricky on all cable cars.
you must get the cables loose before the panel can move out.
the cables all clamped down or they will be dead. (all cars with cables drive)
please post of HIGH speed blower works on high first.
why do this the hard way, at the worst we can use a voltmeter
and prove what is dead, first.

see those rules on cables in the FSM below?
ill not post the panel Remove
  1. Disconnect the negative battery cable.
  2. Remove the heater control unit from the instrument panel.
  3. Remove the mode and temperature control cables at the heater case. Remove the cables from the vehicle.
  4. Remove the fresh/recirculate control cable at blower case and remove from vehicle.
  5. Installation is the reverse of removal.
  6. Adjust the cables prior to attaching at heater control unit.

now lets look at the blower, dead, on all speeds but HIGH , i bet.
?????????????????
this is your cave man simple blower
so if FUSE marked HTR is good, and 12vdc is on both sides of
fuse keyon, then it is good,. and 12vdc lands on motor top
where below on HIGH the blower and switch works on high.
if say the right side resistor blows up, (as all do)
then all lower speed fail. and DC power fails to reach the fan motor.
how is that? clear>?

25490481-331th0o4ygoodik5f23zyrbq-3-0.jpg

Feb 27, 2015 | 1997 Geo Metro

1 Answer

Location for blower motor/heater/fan fuse?


Before you rip, check the 30A HEATER CIRCUIT BREAKER in the instrument panel fuse panel. The input is hot with the engine running. CB output connects directly to the heater blower motor. A cluster of heater blower motor resistors determines blower speed as selected by the blower switch in the heater control assembly. The switch setting is sent to the powertrain control module (PCM) which acts to turn the blower motor on at the selected speed.

Sep 22, 2012 | 1994 Ford Escort

1 Answer

High speed doesn,t work on heater switch.


Pull the heater control panel out of the dash and inspect the blower speed control switch, look for signs of a burnt connector to the switch, it will be discolored looking, if this is the case replace the switch and install a repair connector

Jul 19, 2012 | Cars & Trucks

1 Answer

Heater / air conditioner fan control doesn't engage fan. Previously, it only worked in high speed.


I would replace the blower motor resistor first then see if that corrects this. The resistor is located next to the blower motor under the dash.

Jul 16, 2012 | Cars & Trucks

1 Answer

How to fix a heater fan speed control


this sounds like you need a new blower motor, check fuses first if not blown replace blower motor

Apr 18, 2010 | 1992 Oldsmobile Cutlass Ciera

1 Answer

Replaced alternator on 1994 ciera and now the heater fan doesn't work. any ideas?


Probably just a coincidence. Try the fan on all speeds. If it works on some, but not all, then the resistor module is at fault.
If it doesn't work on any speed then it could be a fuse, the resistor module, the blower itself, or the heater control. You will need to dig in further to narrow down the search. I would test the fuse, i.e. make sure you have power to the heater switch/control first.

Nov 17, 2009 | 1994 Oldsmobile Cutlass Ciera

1 Answer

1994 Lincoln town car/ no fan control on ac and heat


I aasume you mean blower motor for heater/a/c system.

Does it work on hgih speed only? If yes, replace resister.

Is this manual a/c or electronic?

Here is circuit for manual. check these three fuses first. 1, 17 & 10 in fues panel behind dash or kick panel by driver's knee.

0ecd810.gif
If you have electronic, you may have a bad "blower motor speed controller". Get used at car-part.com. page with asterisk is lowest price. New at tascafordparts.com

Jun 16, 2009 | 1994 Lincoln Town Car

1 Answer

My a/c works only on the 3rd fan speed out of 5,


you need to replace the control panel. not the fan switch.

Jun 04, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Heater Fan does not work


Sounds like the fan control knob has shorted out. You can check the fan "blower" relay and fuse in the engine compartment but you need to make sure the control knob is good or you will keep blowing fuses and relays. If your blower fuse and relay are good, then just have the control knob checked and replaced if needed.

May 08, 2009 | 1999 Volkswagen Passat

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