Why does my Jeep Wrangler blower fan overheat?
A problem with your blower motor is often indicated by a fan that functions at high speeds but not in some lower speeds. This is sometimes a sign of a faulty resistor. In certain cases the motor rotation’s mechanical resistance leads to extreme current that overheats and damages the blower motor resistor.
Do you need a blower motor for a Jeep Wrangler?
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Where can I find the blower fan to test it?
Where can I find the blower fan to test it? Newbie Jeep owner here – 2000 TJ w/2.5. Got the TJ for a song, replaced engine with a rebuilt one then had the blower motor problem (high speed only and no speed) when it was all back together.
A problem with your blower motor is often indicated by a fan that functions at high speeds but not in some lower speeds. This is sometimes a sign of a faulty resistor. In certain cases the motor rotation’s mechanical resistance leads to extreme current that overheats and damages the blower motor resistor.
Is there a way to override a jeep cooling fan?
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How much does a Jeep Wrangler heater blower motor cost?
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How to diagnose a Jeep JK radiator fan issue?
The Relay in the TIPM (K11) labeled “Radiator Fan Low” The dual relays over by the brake master cylinder labeled “Fan Relays” on the internet (Mopar Part 56055666AB) The lack of a P069X style code being thrown led me to believe this was a unique problem with only the “high” speed part of running the fan.
What does code p0480 mean on Jeep radiator fan?
Include a few extra bits of circuitry (more relays) that help trigger the fan on when the AC is running, or the engine temp crosses a certain level. In addition to throwing a P0480, these fans can also throw a code in the P069X range.
Why do newer Jeeps have less fan failures?
The newer Jeeps are… newer, and as a result parts are failing a lot less often. I suspect that as they age and parts fail more, this knowledge will become a lot more common.
How much does a JK radiator fan cost?
The fan expects to get power from the battery at all times (so it can run even when the car is off), and translates the PWM duty cycle signal from the computer in the TIPM into a variable speed for the fan itself. Consequently, the fan for a 2011 and prior JK Jeep is around $65 to $200 dollars, and there is a ton of aftermarket competition.
Where is the fan on a Jeep Wrangler?
This is the guy in charge of blowing air across the hot heater core, through the Jeep’s ventilation system, and into the cabin. The fan is usually located behind the glove box and when it fails, you may still get cold or warm air through the vents, but it will be at a drastically lower pressure no matter what fan speed you select.
Where does the heat come from in a Jeep Wrangler?
And it comes, basically, from heat generated by the engine. When your Jeep reaches its optimal temperature, its thermostat opens and allows that coolant from the cooling system to flow through the engine, removing heat and sending it into the radiator, then into the heater core which, ultimately, distributes it into the Jeep.
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Is the AC fan switch on a Jeep Wrangler TJ?
JEEP WRANGLER HEATER / AC FAN SWITCH For all of you 1999-2004 Jeep Wrangler TJ owners who may have experienced a problem with your heat, or AC fan speed. If your blower resistor isn’t the problem, then chances are it may be the fan speed switch.
How to fix a blower motor resistor in a Jeep Wrangler?
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Where is the motor resistor on a Jeep Wrangler?
Blower Motor Resistor Install – JeepForum.com Just inside the passenger door under the glove box there’s a black plastic kick-stop panel that’s kind of a PIA to remove. After that it’s a snap. Replaced this in my 04 last fall.
What happens if you have a bad blower motor?
The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air.
What should I do if my Jeep Wrangler blower is not working?
Jerry – You had mentioned that if the blower fan simply didn’t work at all you should look into replacing the switch plug. I have replaced the switch and the resistor and still no fan. Both of the fuses (behind the glove box and under the hood) appear to be working. Where can I find the blower fan to test it? Newbie Jeep owner here – 2000 TJ w/2.5.
Why does my Jeep Wrangler fan only work on high?
Knows a couple things… The fan only working on high is normally due to a defective resistor pack. The resistor pack is used for all speeds except for the fan’s highest speed where the resistor pack is bypassed. Your 2003 has it in a different location than my ’97 does but yours should be somewhere up above the passenger side footwell.
Blower Motor Resistor Install – JeepForum.com Just inside the passenger door under the glove box there’s a black plastic kick-stop panel that’s kind of a PIA to remove. After that it’s a snap. Replaced this in my 04 last fall.