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Blower motor just hums like there isn't enough voltage to kick it in and the radio and dash lights come on when i turn the blower motor on. When I turn the head lights on the dash lights and the radio go off. blinkers only work if the blower motor is off and the head lights are off.

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  • Cars & Trucks Master
  • 42,026 Answers

Check the out put of the alternator as there may not be enough current to run everything. have a load test done on the battery to ensure that it is in good condition and there is not failing cell.

Posted on Oct 13, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 102 Answers

SOURCE: 1999 VW Passat. Head lights Blower motor blinkers

yes, it's called the load reduction relay and it is in the 13 fold relay panel under driver side dash.

Posted on Mar 31, 2009

co7196
  • 3433 Answers

SOURCE: parking lights and dash lights don't work

A good indication of a blown fuse,

Posted on Jul 07, 2009

  • 1348 Answers

SOURCE: Engine won't start. Dash lights flash rapidly when key turned.

the battery says 12 volts but may be dropping to 4 or 5 under a load...i would suggest jumpstarting the car and see what happens.the battery should read in the high 12 volts and not less than 9.5 under cranking. the dash lights go out on your car when starting,and the alarm will go off ,and disable the ignition if the voltage is too low in cranking the car because the computer will shut it down and activate the anti theft.....check your battery posts are tight. best of luck

Posted on Jul 22, 2009

  • 120 Answers

SOURCE: I have a 97 Pontiac

Wires need to be tested at certain points to find out whats going on. It could be as simple as a bad ground somewhere. This needs to be looked at by someone with experience so that more damage is not done. Hope this helps.

Posted on Sep 17, 2010

  • 6 Answers

SOURCE: I have a 2006 HHR.

check your fuse pannel tor a clicker fuse. and it sounds like you have a loose wire coming from the radio or on the speaker. good luck

Posted on Nov 30, 2010

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I turned on the ac and the light does not work, the vents are not blowing and the car is running hot. I have a saturn SL 1996


First check the 15 amp HVAC fuse located in the main fuse block inside the car on the passenger side of the center console, under a cover. If the fuse is good, then the problem may either be the HVAC blower switch (which is the fan blower selector switch), the fan blower motor resistor, or the fan blower motor. An auto repair manual will explain and illustrate for you the steps on how to check each of these components.

Even after pushing the ac light switch on, the fan blower selector switch has to be turned on as well (working) because it provides an electrical path to the positive side of the battery to complete the circuit and turn the ac light on. What the ac light switch does is provide the electrical path for the ac compressor clutch to come on through the ac control relay which is controlled by the car's PCM(computer) when you want ac, but the ac light switch still needs to run through the fan blower selector switch to receive its power. You can turn on the fan without the ac light switch because it gets its ground path(negative) from the blower motor. So the blower motor has to work in order to provide a ground path for the fan blower selector switch to be functional. You could have a faulty blower motor which is why no air blows through the vents. The fan blower motor is located inside the car on the passenger side underneath the dash at the bottom end of the glove compartment box. You'll see it. It's right above where a person rests their feet on the floor. Therefore, if your 15 amp HVAC fuse is good, check to see if you have voltage at the blower motor connector. Unclip the connector and with the ignition on and the fan blower switch moved to any one of the first 3 selections, check for voltage using a multimeter. The voltage will vary because there is a blower motor resistor. Voltage should be higher on setting 3 than 1. If you do have voltage at the blower motor connector, check for a faulty blower motor. The auto repair manual will tell you how to do it using jumper wires.

It's normal that your car is running hot because the radiator fan works in conjunction with your ac compressor. If the ac is on, the radiator fan will be on and therefore the engine coolant temperature will stay in it's normal operating range. If the ac is off, the radiator fan will stay off as well and the engine coolant temperature gauge will begin to rise and show pretty hot (especially at idle). It will do this up until a certain degree then the radiator fan should turn on thermostatically and stabilize the temperature. It's scary and I know what your saying because it does that to my car if my ac isn't on. Don't worry it won't overheat.

May 29, 2011 | 1996 Saturn SL

1 Answer

Hi, my air conditioner was working fine, blowing nice and cold air. I went to the store and when I got back in my car it wasn't blowing any air out hot or cold. Seems like the compressor kicks on, I...


Sounds like your blower motor when out, check voltage at the blower motor connector under the dash passenger side under dash, with key and blower on, if you have voltage blower motor out, also tap on it some time it will turn it on, but if it happens again you will have to replace it.

Jun 11, 2010 | 2005 Hyundai Santa Fe

2 Answers

My heater isnt blowing out any hot or cold air how do i fix problem if i hit blower motor sometimes it will kick on but onlt on high


The blower motor needs to be replaced. Also if it only blows on high the blower motor resister block may need to be replaced as well.

Feb 25, 2010 | 1997 Chevrolet C1500

1 Answer

Only my high setting works on my fan speed switch. also when i turn on my fan to high and step on the brakes my battery voltage (on dash) starts to go down and if left on long enough it starts to blow...


If the blower motor only works in high, the blower resistors are most likely burnt out and need to be replaced. It could also be the speed switch but since it works in high also it's unlikely. I'm not sure if that's related to the other problem, but it's certainly possible. I would start there and see where that takes you. They are a dealer only item but should only run about $30.

Nov 30, 2009 | 1996 GMC Jimmy

2 Answers

How do you replace the blower motor on 92 accord wagon - where is it located?


Disconnect the negative battery cable (if you have an anti-theft radio, make sure you have the code).
The blower unit is located in the dash, behind the glove box.
Remove the glove box and the glove box frame(damping screws on the sides and two screws underneath).
If the car isn’t equipped with air conditioning, remove the heater duct between the heater core and the blower assembly housings. Then remove the three blower housing retaining nuts, pull the blower housing out far enough to unplug the electrical connectors (at the lower right edge, right above the kick panel) and remove the blower assembly housing.
If the car has air conditioning, remove the strap bolt, the blower under cover and the three blower housing retaining nuts, then remove the blower assembly as previously described.
If you are replacing the blower motor itself, or either of the blower fan wheels, remove the motor, remove the retaining clip(s) and remove the fan wheel(s).
Reverse procedure to install.
Hope this helps you.

Oct 19, 2009 | 1992 Honda Accord

1 Answer

Replace blower motor 1990 740 volvo


On the passenger side interior, up front, under the dash, take the kick panel out, take the panel out from under the dash. Now you must take the computer out because there isnt enough room for the blower motor to clear the computer. Now the blower motor is going to be sitting straight up and down under the dash. Its held in with 3 bolts. Remove the bolts, and pull the motor out. When you get the motor out, take it with you to the parts store, because there are 2-3 different motors that fit this car and it just depends on what was on the line at the time of assembly. Match the motor, and re-install.

Mar 03, 2009 | 1998 GMC Jimmy

1 Answer

How to remove a blower motor


1.) remove screw from right door sill trim plate, (that piece of trim that covers the edge of the carpet when the door is open) 2.) remove right hinge pillar trim panel (passenger side kick panel) 3.) disconnect blower motor electrical connectors 4.) remove blower motor cover 5.) disconnect the cooling tube (rubber hose that attaches to the motor ) .6.) loosen courtesy light screws and move light out of way (if equipped) 7.)remove right side dash support bolt (under dash twist your head around like the excorsist, , lol , where the dash meets the side panel pillar) 8.)remove blower motor-to-case screws 9.) remove blower 10.) remove fan from blower motor shaft 11.) to install reverse removal procedure ,.. not as bad as it sounds , cheers.

Jan 10, 2009 | 1992 Chevrolet K1500

3 Answers

Lights out


The radio light is a separate issue and not related, the radio needs to be pulled out and a tiny bulb inside the radio replaced that lites up the display, the other issue is caused by a burnt out blower speed controller circuit or module.

Aug 05, 2008 | 2000 Pontiac Grand Prix

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