Question about 1986 Honda Accord

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Heater does not work but if you use a tester the blower motor does work

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Check your fuse.

Posted on Nov 20, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: 1997 grand prix heater blower motor

theres a speed resistor close to the fan it is blown ,,unplug and check for power and jump across will give you one speed

Posted on Dec 30, 2008

  • 107 Answers

SOURCE: Heater Blower motor

Check the plug on resistor block for corrosion. If not corroded replace the resistor block. If it is corroded replace the block and get a new plug at the same time.

Hope this helps.


Posted on Jan 07, 2009

  • 1 Answer

SOURCE: 1999 vw heater blower dont work

My daughter has a 99 Beetle GL and the A/C and fan went out. It's the A/C haeadunit that needed to be replaced. The switches short out and you have to replace the whole piece. VW charges about $225 for the part Hope that helps

Posted on Mar 07, 2009

  • 141 Answers

SOURCE: heater blower motor not working with control

Sounds like the blower motor resister went bad. It is located under the hood on the passengers side firewall above/behind the strut tower. It's kinda tricky to remove though. Unplug the wire harness to it and pull on it a little, while pulling try to get behind it on the left and right side with your finger tips and depress inwards on the clips that hold it in. Might have to make up a couple of bent screwdrivers to get in there. Buy the part and look at it and you'll see what you have to depress to remove the old one. The new one you just have to put the gasket on it and snap it into the hole. Good luck and I hope this was helpful.

Posted on Feb 03, 2010

  • 2 Answers

SOURCE: heater blower motor not working, fuses all good

replace blower motor resistor module.very common problem.I've replaced hundreds in my 25yrs working with G.M.

Posted on Feb 28, 2010

Testimonial: "thanks, where is the blower motor resistor module located?"

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1 Answer

My wipers and heater fuse blows as soon as I change it only 1998 ford escort

This would mean you have a short in either the wiring or the heater fan or wiper motor. If you have a multi-tester you can disconnect the negative battery terminal and use the OHMs function to test the wires going to the wiper motor or the heater blower. Only 1 wire in each plug connector should be grounded to the car body, not both. If the positive wire is connected to the car body it is a short.

Another way to check at the expense of a few fuses is to leave the power connected and disconnect the wiper motor connector, and insert a fuse in the holder and see if it breaks. If it does not break then it is in the wiper motor or wiring. By unplugging the wiper motor connector you have eliminated the path to the short.

You can do this test as easily by starting with the heater blower. Unplug the connector and then put in a fuse in the holder and if it does not break, the problem is either in the blower motor or the wiring to the blower motor. By unplugging the blower fan you have eliminated the path to the short.

Now you do not have to sacrifice a fuse each time if the multi-tester is set for 12volts instead of OHMs and you use the leads on the clips that hold the fuse. But multi-testers usually do not have alligator clips and you would need to
hold the test leads to the fuse holder.

On some models there is a blower motor resistor between the power source and the heater blower. Usually they do not short like you are experiencing. You could have a wiper switch malfunction in the steering column, which could also go away each time you disconnect the wiper motor.
Hope this helps

Mar 04, 2018 | Ford Cars & Trucks

1 Answer

2010 Chrysler sebring the heater isn't working. Changed the blower motor resistor and that didn't solve the problem. Took out the blower motor and checked it and it is working. I removed the insturment...

Use the test light and check for power at the resistor- one wire there would be for high speed, which basically bypasses the resistor.
Also check for power at the blower motor with key on and blower switch on high. If you have power and you know the blower motor is good, it could be a ground problem for the blower.

Sep 03, 2017 | Cars & Trucks

1 Answer

No Power to Heater

by heater i take it you mean the blower motor.these work on a fuse and or relay and a set of resistors.but start by checking the fuse as you said you have no poower.if the fuse is ok then check for power at the plug on the blower motor, you will have to disconnect the plug at the blower motor and have a tester placed on 12 volts to perform this test.turn ignition to the on position and turn on the heater unit,you should have a reading of some kind .if you have up to 12 volts then the wiring and fuseare ok. the problem then would be the blower motorbut after removal you could always check the motor by hooking it up to a 12 volt power source to see if it turns.

Dec 04, 2011 | Cars & Trucks

2 Answers

Cannot get the heater to work


Nov 05, 2011 | 1996 Mercury Grand Marquis

1 Answer

My Heater is not working in my 2003 Honda Element

First check and confirm the fuses related to heater in your car.Fuse #12 (40A) in the under-hood box powers the blower motor. Fuse #14 (10A) in the under-dash box powers the blower motor relay as well as the A/C compressor clutch relay, A/C condenser fan relay, power mirrors, radiator fan relay, recirc. control motor, and rear defogger relay.If the fuses are blown then replace the fuse and check.But if the problem is still there then Its a heater relay problem,.The blower motor relay is in the under-hood fuse box. It's larger than the rest, on the back side, labeled RY6.Remove the relay. With the ignition off, use a 12V tester to locate the constant-power socket, which powers the motor via the relay. Then with the ignition on, locate the switched-power socket, which powers the relay. Verify that neither of the remaining two sockets is powered, then with the ignition off use a continuity light to determine which is ground. The last socket goes to the motor. (If the continuity tester lights on both, it's probably because the motor has fairly high resistance, and you'll need an ohmmeter to determine which socket is ground and which goes to the motor.)With a fused 12V power source, power the relay's coil contacts and check the other two contacts for continuity. If the relay doesn't work, replace. But if the relay is also checked ok.then in that case the blower motor is faulty causing this problem.Make sure it has power at the connector and that the connector is properly seated. If the power and ground connections are fine, then the motor is bad. ----------- This troubleshooting procedure will help you to confirm the possible problem.Thanks.Helpmech.

Nov 12, 2010 | 2003 Honda Element

1 Answer

Heater blower motor only runs on the highest setting. I have replaced the blower motor itself. What could be the problem?

if you are getting only one speed from the blower motor then it would be the (blower motor resistor) causeing the problem. the blower motor resistor is located under the dash on the passenger side next to the blower motor. unplug connector and remove two screws from housing. to test the resistor connect a continuity tester to the resistor. check between the input to the output sides of the resistor for continuity. if not replace the resistor.

Apr 12, 2010 | 2005 Dodge Ram 2500 Truck

2 Answers

91 Volkswagen Jetta. Blower problem or fuse box problem.

sounds like somebody had the wrong fuse rating and now has burnt the blower motor out,roady932

Feb 13, 2010 | 1991 Volkswagen Jetta

1 Answer

Heater blower not working. How do I test, either it,s a blower problem or switch problem? The heater core was changed about 1-2 months ago and the blower stopped working, i used to be able to tap on the...

ya its probly the blower motor.but can be the switch. you can check if ther is power at the motor with wire tester. test at the blower motor with switch in diff positions 2 see if it gets brighter as you turn the fan up.and if the lighter doesnt work its probly the liter. or maybe the wire came off the back of the element,

Feb 13, 2010 | 1998 Dodge Dakota

1 Answer


check your fuses sometimes when a blower motor goes out or gets replaced it pops a fuse if this does not turn out to be the problem its probably the power connection to the blower motor itself make sure the ground wire got placed back on the motor and has a good connection to the body and the power wire is free of corrosion and has a good connection

if this doesn't work get a 12v tester light from your local Walmart Kmart Target there about 5.00 place the ground on the body and push the sharp end into the power wire for the blower motor make sure the a/c switch is on. the tester light should come on if it doesn't check connection to the body / ground and try again if the light comes on there is power and the motor may be bad or have a bad connection if it does not you must have a blown fuse or a problem with the power switch

I hope this helps

Jul 20, 2009 | 2000 BMW 3 Series

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