Question about 1986 Cadillac DeVille

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Blower motor will not shut off . unpluged control head still runs, unplug the large connecter on left side under hood in between battery and the level ride pump the blower motor shuts off

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Check the relay or the resistor

Posted on Sep 11, 2009

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The switch is the thing on the dash with the knobs about 220 dollars. The switch(resistor) that controls the fan speed is under the dash on the far right under by the fan 20 dollars. I would check that power is getting to the fan or unplug and run jumper wires to the fan if it doesn't turn on the fan is bad 40 dollars. There is a blower motor relay under the hood in the black box by the battery or on the passenger side looking in the top it will tell you what relay and fuse is for what circuit. Sometimes they put a spare in there marked spare if not use an identical one from another circuit 14 dollars. If this helps please rate it thanks

Dec 29, 2011 | 2002 Chevrolet Monte Carlo

1 Answer

Blower motor for ac will not shut off when i shut the engine off already check the motor is there a relay

If it is like a 1986 caddy I had ,your problem
is a module for the blower & I forget,something to do with the a/c

Anywhy, it has two separate functions & I had the one you have

Mine was around the left front headlight somewhere
It is a dealer part

For now you have to unplug the blower under the hood
in the middle of firewall next to the blower or find and unplug the

Sep 23, 2011 | 1991 Oldsmobile Ninety Eight Regency

2 Answers

Where is the blower motor located?

blower motor is in engine compartment against firewall behind windshield washer resivoir. resivoir and cruise control unit need to be removed to gain access to blower motor. be careful when unplugging connector as they are brittle.please rate if this helps.

Nov 28, 2010 | 1996 Ford Explorer

2 Answers

Blower only working on high

It's the resistor. located next to the blower motor, under the dash, on the passenger side.. Easy to replace

Nov 19, 2010 | 2006 Ford Explorer

3 Answers

Blower motor resistor, where is it located/

It will be up under the dash on the passenger side near the blower motor. It will have 5 or six wires in its connector

Nov 10, 2010 | 2000 Jeep Grand Cherokee

1 Answer

My fuse for my AC blower motor blows everytime I turn on the ac or heat even when I change thr fuse how can I fix this

Look under the hood and unplug the blower motor. Then replace the fuse. It should not blow the fuse without the blower connected. If the fuse blows again there is a short before the blower motor. There are several Black power boxes, usually under the hood on the Drivers side, the A/C relay may be burned out.

If the fuse does not burn out, replace the Blower motor. You can get one from a Salvage yard or Autoparts place. If you still have problems and the Climate Control panel is lite, there is a self-diagnostic feature which is run by pushing some of the control buttons in a particular sequence.

The codes for this sequence is different from the Master computer.
It may also reveal problems only a Technician can fix. So try the Blower motor first, A/C relay second, and hopefully this will get you going.

Jul 20, 2010 | 1995 Mercury Grand Marquis

1 Answer

My blower does not shut off when I cut my car off. I have to pull the fuse under the hood to make it shut off. When it's on, it runs on high and I can change it or the tempature controll.

If you vehicle has the automatic temperature control system, where you can set the desired temperature using the digital temperature readout, then you most likely have a failing blower motor speed control module. This is an electronic module the controls the blower on/off and speed operations and when it fails it often won't shut off the blower when you shut off the vehicle which can result in a dead battery if you don't pull the power supply fuse. Its a small rectangular box located under the right side of the dash [passenger side] by the blower motor and isn't to hard to change. Hope this helps and good luck!

Jul 19, 2010 | 2004 Chevrolet TrailBlazer

2 Answers

2000 dodge caravan, blower motor not running

first check fuses then go over to passenger side under the dash find the two twisted wires that lead to the blower motor, unplug them, and test the harness end for power, if power is present replace blower motor.

Jan 21, 2010 | 2000 Dodge Caravan

1 Answer

How do you replace a heater motor on a 1995 jeep wrangler

you will need to remove the heater housing(air box) . the blower is mounted in it. start by removing the control cables (slide your heater controls and you will see them move under the dash),they just snap in careful not to break the plastic tabs. unhook the defroster tube(looks like a corrugated paper pipe in the center and on the top of the housing). unplug the wire harness in the upper corner of the passenger side. now under the hood remove both heater hoses. then remove the four mounting nuts on the firewall [they are 7/16] . one nut is on right side of the just left of the battery. one is under the battery toward the bottom of the firewall.the 4th is by the left rear corner of the valve cover. there may be an accelerator cable loom snapped over this stud,it just pries off. lay a towel or rags on passenger floor to catch any anti freeze. with all 4 nuts now removed,pull the housing away from the may have to tilt the bottom out slightly. once the housing is removed take it to your work bench. you will see about 6 hex head screws holding the blower in place, remove these. pull out blower. fairly simple,but the nut under the battery can be a pain to get to.

Nov 02, 2009 | 1995 Jeep Wrangler

1 Answer

1996 buick riviera blower motor will not shut off

The blower motor control module needs to be replaced, that will solve the problem. The module is underneath the hood on the firewall in the back. It has 2- 6mm screws. Unplug it, pull it out, put the other one back in. Plug it in. This is common for this model buick.

Jan 13, 2009 | 1995 Buick Riviera

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