Question about 1993 Nissan Sentra 4 Door

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No A/C due to electrical problem

Electrical problem effecting several things; the fan blower motor does not work at all, the interior lights do not work, the cruise control does not work, and the automatic seatbelt does not work. Also, the turn signal doesn't flash, it just stays on, so I have to manually move the lever back and forth. One last thing, the wipers also stay on, so to turn them off, I have to remove the fuse. Fun one, huh? Is there a commom problem here, like a bad relay or switch?

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Sounds like a biggie here. Never heard of that, all at the same time. It's uncommon. Electromechanic right away. worst thing that could happen, an electrical fire. Multiple shorts in several devices, it's been a miracle what's been saving this car, and yourself from a catastrophe.

Posted on Aug 26, 2008

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Have 04 f150 when turn on heater our head light all interior lights turn off blower motor does not work turn signals won't work but bright light indicator and flashers light up but don't work


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Nov 16, 2015 | Cars & Trucks

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Heater relay location


Likely the fan blower electrical plug has poor contact or the blower motor or resistor needs replaced (which is what the plug pushes onto).
Under right side (passenger side) of dash, the blower motor casing is in the corner, look for a plug with several wires and just try wiggling it a little or pull off then put back on and see if fan now works on other speeds. If still will not then most likely the resistor needs replaced which can be done by removing the two screws
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Jul 12, 2013 | 2000 Dodge Caravan

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My bmw 318 is blower fan not working


Blown Fuse
  • Usually the first thing to inspect when the blower fan stops working is the fuses to see if any are blown. Locate the 10A cluster fuse or the 25A HVAC fuse in your car manual, and examine them to determine if they need replacing. The car owner's manual will tell you where to find the fuses that are connected to the heat and/or air conditioning. On the interior fuse panel of the car, a 30 amp fuse is labeled "Heater" or "HVAC."

Bad Blower MotorIf the fan only works on setting number 3 or 4, or just on the highest setting, it is most likely that your blower motor is failing and is about to die. Use a voltmeter to test the amount of voltage at the blower motor connector with your ignition on and AC running. If it reads 12V, the motor needs replacing.Automatic Climate Control SystemAnother thing that causes the blower fan to malfunction is the Automatic Climate Control System (ACCS). If the ACCS's settings are off, it may cause the fan to stop working. If it is the climate control on the car, typically it is a bad thermostat or electrical circuit that is the culprit.
hope this helps, James Booth

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1 Answer

Heater has stopped working


(1) possible blown fuse.
Note that fuses blow for a reason - seek out the reason, or it will blow its new fuse too.

The main fuse block is located inside the left side of the engine compartment near the battery. There is also an interior fuse panel located just above the left side kick panel.

Interior Fuse Panel
The interior fuses simply unplug from the fuse panel. Use the fuse puller tool provided with your car to remove fuses from the panel. The tool is located on the back of the interior fuse panel cover.


(2) possible blower motor dead. See maintenance manual excerpt below.

(3) possible blower motor relay faulty. Location of Blower relay:
Under hood, drivers side, front engine area,rear of headlight housing; relay mounted on drivers side of radiator shroud.


1990-92 Mazda 626 and MX-6
See Figure below

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  1. Disconnect the negative battery cable.
  2. Remove the glove box and the underdash cover.
  3. Detach the electrical connectors from the blower unit.
  4. Remove the blower unit-to-fire wall attaching bolts and remove the blower unit assembly.
  5. Remove the blower motor fan-to-motor fastener.
  6. Remove the blower motor-to-unit attaching bolts, then remove the motor.
  7. Installation is the reverse of the removal procedure.

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look behind glove box and see if blower motor is running constantly

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Where is the heater fan located to fix it??


The blower motor is mounted in the engine compartment, behind the wiper linkage on this model

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OR

Interior Mounted
  1. Remove the right-side instrument panel insulator.
  2. Disconnect the blower motor cooling hose.
  3. Detach the blower motor electrical connector.
  4. Remove the blower motor-to-air housing mounting screws.
  5. Pull the blower motor out of the air housing.

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VW Jetta GL 2000, AC - Heater Fan stopped


blower motor or resistor or the blower motor control switch.

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