Question about 1999 Jeep Grand Cherokee

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I have a 1999 Jeep Grand Cherokee The blower motor for the heater & a/c will not come on with the auto temp control but I can put direct 12 volts to blower motor and it will work

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Most likly blower reostate or the plug that gos to it from blower known for failing

Posted on May 18, 2011

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Posted on Jan 02, 2017

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Related Questions:

1 Answer

How do I remove heater blower motor?


1998 ATC Jeep Grand Cherokee Blower Resistor connector ...

? 0:55
www.youtube.com/watch?v=sDFLuenx9aw
Nov 14, 2012 - Uploaded by Freedomautomotive1
1998 ATC Jeep Grand Cherokee Blower Resistor connector Repair Kit (RARE 1/2 Year) ... How to Fix a Chrysler Blower FanThat Only Works on High - Duration: 16:51. ... JEEP2001 FIXING THE HEATER BLOWER CONTROL. ... Jeep Grand CherokeeCenter and Lower Dash Removal - Auto Repair Series ...

Sep 30, 2015 | 1998 Jeep Grand Cherokee

1 Answer

I need a wiring diagram for the blower motor on a 1999 jeep grand cherokee limited. I have two wires sticking out of the blower motor and I don't know where they go


Usually you have to splice the wires into the old plug.
You might be able to find a diagram on the websites for auto parts stores such as autozone.

Jul 06, 2012 | 1999 Jeep Grand Cherokee

1 Answer

How do i change blower motor resistor on 99 jeep grand cherokee


Welcome to FIxYa.com



Blower Motor Resistor and Controller Replacement

Image Blower Motor Resistor Or Controller/Power Module Remove/Install

REMOVAL

1. Disconnect and isolate the batten' negative cable.

2. Depress locking tab and unplug the wire harness connector from the blower motor

resistor or controller (power module).

3. Depress locking tab and unplug the resistor or controller connector from the blower

motor.

4. Remove the 2 screws that secure the blower motor resistor or controller to the

heater-AC housing.

5. Remove the blower motor resistor or controller from the heater AC housing.

INSTALLATION

1. Install the blower motor resistor or controller to the heater AC housing. The

housing is indexed to allow (controller power module) mounting in only one

position. Tighten the mounting screws to 2.2 Nm(20 in. Lbs.).

2. Plug in the wire harness connector to the blower motor resistor or controller.

3. Plug in the connector from the blower motor resistor or controller to the blower

motor.

4. Connect the batten' negative cable.

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Thank you for using FixYa.com

Regards, Lee Davidian

Nov 22, 2010 | 1999 Jeep Grand Cherokee

1 Answer

My jeep blower motor would come on and off.The blower motor now, will not come on. I checked motor with 12v it works.All fuses checked with ohm meter,ok.I checked for loose connections,none. I disassembled...


I had the same issue. It turned out that one of the wires had burned out and therefore the connection would not hold. The dealership had to replace the wire and the connection point. They said that it is a manufacturer problem, however, generally it takes about four years to fail...so they don't have to replace it.

Nov 08, 2010 | 2002 Jeep Grand Cherokee

2 Answers

Heater blower doesn't work - 2002 Jeep Grand Cherokee


Could be module check with the dealer where is.

May 03, 2017 | 2002 Jeep Grand Cherokee

1 Answer

1999 jeep grand cherokee heater fan quit. 40amp fuse under hood good. both wires at motor test hot. motor turns strong when wired direct to battery. now what?


the blower motor resistor is bad replace it and it will work good as new the resistor is located in the same heater box as the blower motor mounted on the outside of the heater box follow the wirring from the blower motor to find it or just simply buy the part and match it up

Jan 11, 2010 | 1999 Jeep Grand Cherokee

1 Answer

1999 Jeep Grand Cherokee the heat is not working or blowing?


2 problems?
No blower motor: Blower motor resistor very common or motor itself or heater controls.
No heat: Start simple with check antifreeze level after vehicle has sat for a few hours. If that's OK then it could be thermostat, heater controls, blend doors, water pump, restriction in cooling system

Oct 17, 2009 | 1999 Jeep Grand Cherokee

1 Answer

1999 jeep grand cherokee


Are you saying that the switches are bad?
Or that when you turn the blower on and select a different temp. it doesn't change temp.?

Nov 18, 2008 | 1999 Jeep Grand Cherokee

1 Answer

Blower motor inop


if it only works on hi...the resister is bad on regular ac heater systems or on auto temp control systems the powern module is bad.....if it is totally inop then likely a fuse or bad motor

Sep 05, 2008 | 1996 Jeep Grand Cherokee

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