Question about 1999 Jeep Wrangler

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99 jeep wrangler heater not working checked fuse with car running and heard spark contact when inserting fuse. One time I got the heater to work once but when i changed knobs it stopped for good. If I have to change switch how do I get face plate off. Thanks for getting back to me.

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  • Jeep Master
  • 6,360 Answers

I think you could use this manual method instead.. My nephew used it to repair my car and it's perfectly fine now. Here's the website
he bought it from. www.reliable-store.com

Posted on Mar 07, 2018

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6 Suggested Answers

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6ya staff

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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

SOURCE: fuse box

Under the left of the dash board close to the parking brake tucked up under.

Posted on Feb 15, 2009

bunnydawg

Roberta Smith

  • 5158 Answers

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

fingaz22

michael schultz

  • 1068 Answers

SOURCE: I have a 2000 jeep wrangler sahara. The heater fan

thats is two different problems. the blower motor resistor is bad causing it not to work on the lower setting just high. now on the defrost not working could be the blend door actuator but to figure it out you will need to be diagnosed by a professional. it is a little more involved. but the blower resistor is fairly easy

let me know if you have any ore question

Posted on Dec 04, 2009

Testimonial: "The blower motor resistor as the cause for the fan only working on one speed was exactly correct. Bought a new sensor, installed and problem was fixed"

Obertelli

Obertelli

  • 3006 Answers

SOURCE: i have a 1999 Jeep Wrangler and the heater fan

If you bypass the resistor pack and connect the motor directly to the fused 12v supply then the fan should run at maximum speed. If so, it's the resistor pack that's blown: a very common fault on a huge number of makes and models.

Posted on Feb 13, 2010

Gil Nolasco

  • 306 Answers

SOURCE: 2001 Jeep Wrangler heater blower stopped working

Yes I would go with the switch, BUT, does it have a resistor bank? That is, how does it reduce the speed? Many systems use resistors to lower the speed. Burnt or bad connections can cause this as well.
You can test the blower motor by connecting direct power from a source like the cigarette lighter if you are handy.
Most of the time the lower speeds konk out but the high speed continues to work this is the resistor bank that goes out.

Posted on Mar 25, 2010

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1 Answer

2002 X Jeep Wrangler radio won't work CD still comes in and out but nothings plane


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radio dead, AM and FM?
does dial light up, and show that search stations scans and stops
on a station, (regardless of sound or not) if not ? all that is dea check fuses.
if fuse are good, its a bad head end.

time to upgrade to media center, no?

Nov 12, 2014 | 2002 Jeep Wrangler

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2003 jeep wrangler x fuse box diagram


just a flash light and 5min. looking finds 99% bad fuses.
why do you need to know the exact one?
here is the full FSM> see wiper wiring, its fuse #17 runs the front.
it runs the waster too, so if that works its not Fuse 17.
or any fuse ,.

17 is marked FRT WIPE

see power distrubution page 3. top left corner fuse.
if the fuse is good we use a voltmeter to find out what really is bad.
ask.

Mar 07, 2014 | 2003 Jeep Wrangler

1 Answer

2005 Jeep Wrangler Heater and Cigarette Lighters not working.


May help - fuses supply power but also needed is earth return to battery. This is usually black wires running from device to the car metal. To diagnose you need a multimeter. Check body of cigar lighter is connected to the chasis with meter on ohms. (continuity test) good is zero ohms. If earth problem, check under dash to ensure all earth wires connect to metal chassis. Then with ignition on, check centre pin at back inside cigar lighter has 12 volts to side.
If not then check fuse has 12 volt to it, Now you can get to the fan, repeat all the tests on fan. Best wishes, its tedious work.

Jan 03, 2014 | 2005 Jeep Wrangler

1 Answer

How to replace a heater resitor on jeep 1988 wrangler


Check switch at dash , might be burned , lost contact .

Jan 22, 2013 | 1988 Jeep Wrangler

1 Answer

1999 jeep wrangler problems


Could also be a fuse or relay problem.
You'll need to find out if the coil has voltage and if the pick-up stator in the distributor is sending a signal to the computer.
Might want to check the computer for trouble codes too.

Jul 08, 2012 | 1995 Jeep Wrangler

1 Answer

MY 1991 JEEP WRANGLER CARS HEATER DOESNT WORK


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.
If the blower does not work Check fuse, relay, wiring for short to ground, apply direct battery voltage to blower motor. If blower motor turns on and fuse/relay and wiring are ok replace the switch.

Dec 14, 2010 | 1991 Jeep Wrangler

2 Answers

2001 Jeep Wrangler heater blower stopped working


Yes I would go with the switch, BUT, does it have a resistor bank? That is, how does it reduce the speed? Many systems use resistors to lower the speed. Burnt or bad connections can cause this as well.
You can test the blower motor by connecting direct power from a source like the cigarette lighter if you are handy.
Most of the time the lower speeds konk out but the high speed continues to work this is the resistor bank that goes out.

Mar 25, 2010 | 2001 Jeep Wrangler

2 Answers

I have a 1999 Jeep Wrangler and the heater fan stopped working for all the fan speeds. The fuses are fine. How do you know if it is the blower resistor or the blower motor?


If you bypass the resistor pack and connect the motor directly to the fused 12v supply then the fan should run at maximum speed. If so, it's the resistor pack that's blown: a very common fault on a huge number of makes and models.

Feb 13, 2010 | 1999 Jeep Wrangler

2 Answers

99 JEEP BRAKE LIGHT WONT WORK..THIRD BRAKE LIGHT WORKS


on chrysler products the third brake light is run independant of the body control module, try checking the fuses that run the brake lights and see if any are faulty if not check you have voltage at the switch and a signal getting to the lights.

Aug 26, 2009 | 1997 Jeep Wrangler

1 Answer

Fuse box


Under the left of the dash board close to the parking brake tucked up under.

Jan 02, 2009 | 1989 Jeep Wrangler

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