Question about 1989 Ford Crown Victoria

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2004 crown victoria heater fan not working, fuses OK. motor OK Power at motor, No ground at motor. Is the problem a resister.

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You are most probably correct, fan motor resistor is usually found at the top center of firewall in engine compartment.

Posted on Aug 02, 2009


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2004 crown vic. only 63K miles on her. AC/heat fan was sporadically working, now its done. AC was nice and cold, working fine. Is the fan a hard replacement if I were to find one at a parts yard?

Try to check the power and ground on the blower fan. If you missing the ground on the blower fan connector than most likely it is the blower fan resistor (controller), it is located under the hood close to back firewall behind left cylinder head.

Aug 17, 2015 | 2004 Ford Crown Victoria

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2004 cvpi remote heated mirrors do not work. Fuse #10 checks good by sight.

You Have to Check the Resistance @ the Connector for the Mirror, If there is No Res then the Heater has to be replaced

May 04, 2014 | 2004 Ford Crown Victoria

1 Answer

Rear heater

check fuse
check if power is reaching the heater
check if ground is ok
measure the resistance across the heater

if its a blown fuse- replace it
if no power reaches the heater and fuse is ok - measure if power reaches the fuse.socket then the switch for the heater and so forth
if there is poor ground or no ground - wire up a new ground or fix the old one
if there is too high of a resistance across the heater - look for broken traces and buy a silver trace pen (one made for repairing heater traces)
if there is too low of a resistance - look for a short circuit

Feb 18, 2014 | 2004 Ford Windstar

1 Answer

Ford crown victoria 2004 w/158194miles. DTC B1249.blend door failed or short

Is there ground?

Is there power and ground at the actuator?

Is there power or ground in the circuit when the system is off but the vehicle is running (Indicating a short to power or ground)

Oct 07, 2012 | 2004 Ford Crown Victoria

1 Answer

Where is the blower resister on a 2004 crown victoria

very unusual location. usually inside the car in the plenum case by passenger floor, but here it is:

Blower Motor Switch Resistor
The heater blower motor switch resistor has the following features:
  • The assembly is located in the engine compartment on the evaporator housing toward the center of the vehicle.
  • Three resistor elements are mounted on the resistor board to provide four blower motor speeds.
  • Depending on the heater blower motor switch position, series resistance is added or bypassed in the A/C blower motor circuit to decrease or increase A/C blower motor speed.
  • A device to prevent overheating (thermal limiter) will open the resistor coil when the temperature reaches 121°C (250°F) interrupting the blower motor operation in all speeds except HI.
  • The thermal limiter cannot be reset and is not serviceable.

Feb 19, 2010 | 2004 Ford Crown Victoria

2 Answers

The heater blower motor on my 2001 ford crown vic won't work. i checked the fuse and took the motor out and had it checked and it's OK.

look for relay or resistor heater box under hood passenger side follow heater hoses 2 two heater box coming out of fire wall

Jan 25, 2010 | 2001 Ford Crown Victoria

1 Answer

Fan control button in dash not performing. fuse


Oct 20, 2009 | 2004 Ford Crown Victoria

1 Answer

Heater just stoped working on my 2003 crown vic today wut do u think it could be

I am sure you checked the fuse if not look at F1.103 40Amp oryou might check the motor resister assembly.

Oct 15, 2009 | 2003 Ford Crown Victoria

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