Question about 2000 Nissan Xterra

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Blower motor won't turn on on all settings. I tested the switch and it works. I found there is no power to the two fuses in the fuse box inside the vehicle. The vehicle has an after market alarm with a remote start. When the remote start is turned on the blower motor works. Also the airconditioning switch does not work. It seems like the whole system does not have power from the fuse box. Checked all the fuses with the blower motor and AC system and they are good.

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Posted on Jan 02, 2017

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SOURCE: Air condition blower

I have had a similar problem on a 2002 Concorde and an older Oldsmobile. There is a "resistor package" (the term I was given) that can easily be replaced. Go to an Auto parts store and ask them about one. They will even help you locate it under the hood.
On the 2002 the dealer replaced it under the warranty years ago and it still works fine. On the 1994 Olds I replaced it myself. I pulled the wires off and unscrewed a few screws and replaced it.
On the Olds, the resistor wires were rusted and separated. The replacement works fine. I THINK it was about $30.00 for the part.

Posted on Jul 30, 2008

  • 17 Answers

SOURCE: Ac air not blowing

On this vehicle there is a blower motor control module located on the right side of the vehicle inside the engine compartment behind a relay cover. You have to remove the cover and unbolt the retainers holding the relay box to gain access to the module which in mounted into the evaporator duct just behind the duct. If you jump a wire from the red to the puple wire (with key in the on position) the blower should come on. The red wire is in the two wire connector and the purple wire is in the 4 wire connector. if the motor comes on check to see if you have 6 volts on the gray wire with a black tracer located in the 4 wire connector. If you do the blower motor control module has failed. This is a rather common failure on this model.

Posted on Aug 20, 2008

  • 28 Answers

SOURCE: The blower motor won't turn off.

Sounds to me like there is a direct short somewhere in the system. With no continuity through the switch, the blower should shut off. So this means that there is a connection somewhere else supplying voltage to the blower motor. How rusty is this vehicle? Suggest you start looking for a damaged, salt and dirt encrusted harness somewhere under the hood, low enough to collect dirt, salt, grease and moisture. My guess is that you will find a collection of blue/green corroded wires somewhere. This could be time consuming, but you may get lucky and find it quickly. Look for the obvious. A year/ model specific factory wiring diagram...available over the a good investment, and may save you much time. If you are keeping the car, get one. You'll be glad you did. This will also tell you if the system is supposed to run on 2 -15 amp fuses, or if that is also a malfunction. Trust me, chasing electrical ghosts is a real pain, especially when you don't know where they are hiding. Keep me posted. Good luck. Chip

Posted on Oct 05, 2008

  • 275 Answers

SOURCE: HVAC Blower functions only at highest (4) switch setting

if the blower works on high then its not a fuse it could be the switch or the resistor that cuts back power for the lower settings

Posted on Dec 01, 2008

  • 21 Answers

SOURCE: My AC quit in my 2007 Nissan Versa. The fuses are

You have to remove the dash to get to the blower motor on this vehicle if memory serves me right. It's a substantial job. Take it to dealer should still be under warranty.

Posted on Jun 17, 2009

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Blower not working

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Hi, My fan won't come on so I can't get heat or cold air...I used to have to turn the knob hard to get it to come on... now it wont work at all.....could it be just a loose wire or a fuse?

You describe a common occurance with the manual type A/C control knob/switch. Also, the blower motor brushes are also a common issue. The notion it's wiring or fuse is not a common occurance. There's a couple of things you'll want to inspect/examine before you start throwing money at parts. First, key ON, blower switch on HIGH, RH side under the dash, locate the blower motor housing & slap it firmly with your hand. If the motor starts running, then the problem is in the blower motor itself (brushes, intermittent contact or NO contact). If the motor does not respond after this (shock test), rig yourself a 12 volt test light and back-probe the two-wire connector (black wire and red wire) to see if the light turns on when the blower speed switch/knob is on. If the light comes on, you know you have power and ground applied/available at the motor itself, but it isn't working/running - therefore its the blower motor itself. If the light DOESN'T come on, then the problem is probably in the blower motor switch itself. To access this switch, you'll need to remov the vertical console. Remove the ashtray. at the bottom of the ashtray opening/cavity, there are two phillip head screws - remove them and set them aside. This console snaps/clips into place and is simply popped out to gain access to the A/C control module. Using your test light, check for power to the switch (Go to and register your vehicle by VIN #.. you'll then have access to wiring diagrams, shop manuals, service bulletins, campaigns, illustrations and procedures, etc.) If memory serves, the manual A/C control switch can be purchased separately at any Hyundai Dealership Parts Department.

Sep 06, 2011 | 2003 Hyundai Santa Fe

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1999 Isuzu Trooper Problem with Blower Motor, FUse Box, and exter

Did you find out a solution to your problem? I have a 1996 trooper that is showing most of the same symptoms that you have. I'm curious as to your fix. Was it simply a bad ground?

Apr 24, 2010 | 1999 Isuzu Trooper

1 Answer

2002 Jeep Wrangler blower motor is not working on any speed. Not sure which fuse covers blower, so checked all and can't find one blown. Assume it's not resistor, because it's not working on highest...

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Nov 17, 2009 | 2002 Jeep Wrangler

1 Answer

The heat will not work. No heat.

So you have power to the control unit and the blower motor. Did you check the blower motor resistor? That controls the blower on all speeds except for high speed. Did you check all the grounds? Don't rule out a faulty ground. Make sure the blower motor is properly grounded.

Sep 02, 2009 | 1991 Ford Escort

1 Answer

Blower working on top 2 settings but no air comeing from vents


Thanks for using FixYa. The possible causes due to which the blower is not working normally are fuse, blower resistor or a bad blower motor. Test the voltage at the blower with a test light. Please check the motor relay switch fuse under the dashboard. Use a multi meter to measure ohms for continuity. If these are fine, bypass the blower motor relay switch to make sure blower motor is running fine. Motor relay switch is right next to radiator fan relay switch under the hood. Pull out the blower motor relay switch to see 4 female pin holes. Test the relay switch using a 12 volts power source and a multi meter to measure continuity. If fan works after jumping the pin holes, then blower motor is fine but relay switch may be faulty. You may also need to replace the blower motor resistor. If still the problem persists, then you need to replace the blower motor.

Please do rate the solution and revert for further assistance.


Aug 09, 2009 | 1997 Honda Civic

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