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My 2007 jeep wrangler heater blower just quit. How do I fix it

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 508 Answers

SOURCE: how to install heater blower

This is an easy solution. Remove the glove box door strap and remove the glove box door by letting it drop towards the floor while supporting the door and it will release from the dash. Then you will see the blower motor housing along the firewall on the interior. You will just need to unplug the wires to the motor and remove a few screws and carefully remove the motor with the blower cage attached to it. Then just reverse the process and you will be good.

Posted on Feb 07, 2009

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bunnydawg
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SOURCE: 1999 jeep wrangler heater blower

you need to change the resister block for the fan. it is located on the heater duct near the fan... there is a connector on it and two or three screws holding it in.

Robert

Please take a moment to rate this solution thanks

Posted on Feb 21, 2009

tepfy
  • 319 Answers

SOURCE: 1999 Jeep Wrangler 4cyl W/AC, Blower quit,

Run a new wire to the motor from the switch this will do 2 things for you. It will tell you if your switch is still good, and if it works you just fixed your problem.

tepfy

Posted on May 03, 2009

motor1258
  • 6674 Answers

SOURCE: heater blower switch only works on high

I'd replace blower resistor, usually found under hood on firewall on passenger side, or on duct work, inside under dash on passenger side,close to blower motor.

Posted on Jun 01, 2009

rogrrabbit
  • 986 Answers

SOURCE: my 2003 jeep wrangler AC/heat fan doesn't blow any air out.

You can test both of them once you have it apart. I have given you instruction below. Please follow them as injury could result.


REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

CAUTION: Stay clear of the blower motor and resistor block (Hot). Do not operate the blower motor with the resistor block removed.

Disconnect and isolate the battery negative cable.
Remove the glove box from the instrument panel (Refer to 23 - BODY/INSTRUMENT PANEL/GLOVE BOX - REMOVAL).
Pull out the lock on the blower motor resistor wire harness connector to unlock the connector latch (Blower Motor Resistor Block- Typical).
Depress the latch on the blower motor resistor wire harness connector and disconnect the connector from the resistor.
Remove the two screws that secure the blower motor resistor block to the HVAC housing.
Remove the resistor block from the HVAC housing.

Posted on Jun 20, 2009

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If the blower works check for coolant in the cooling system. Test operation of thermostat. Check heater control valve for proper operation if equipped. Pressure test cooling system to ensure system holds pressure (this will help you identify a leak, if any. If car does not over heat and cooling system is in good working order, then the heater core is clogged.
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I'd replace blower resistor, usually found under hood on firewall on passenger side, or on duct work, inside under dash on passenger side,close to blower motor.

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Run a new wire to the motor from the switch this will do 2 things for you. It will tell you if your switch is still good, and if it works you just fixed your problem.

tepfy

Mar 29, 2009 | 1999 Jeep Wrangler

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1999 jeep wrangler heater blower


you need to change the resister block for the fan. it is located on the heater duct near the fan... there is a connector on it and two or three screws holding it in.

Robert

Please take a moment to rate this solution thanks

Feb 21, 2009 | Jeep Wrangler Cars & Trucks

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Check it with a test light or Multimeter for power to blower motor first, with switch on high. If no power to motor, problem is elsewhere. Here's a link that will help you. Click on the pictures to expand.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008ac7f

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check fuse first, every jeep ive had had the same problem ,its the fan speed resistor,most are located on the heater core /fan housing.NAPA 25.00 PLUS SHIPPING.

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