ac blower not working in truck

AC Blower Not Working - 1994 PU 24 4WD. If you dont have 12 volts there then the blower will not operate.

Fixing Dodge Blower Motor Problems At Youfixcars Com Car Maintenance Dodge Blowers

There is a quick test that you can do to tell if that circuit to ground is working.

. Trucks with manual HVAC controllers more often have a software issue that stops the blower motor from working. Joined Apr 15 2018 4 Posts. If the AC condensation drain becomes blocked youll wind up with water flowing into the HVAC case.

The blue wires on the control panel are for the ac compressor. Jump to Latest Follow 1 - 8 of 8 Posts. With little or no use during a long winter the air conditioning system.

Leaving the AC light on rotate the fan switch to the O position. Toyota Truck SUV and Van Forums. Everything was fine one day and the next the blower motor would not work.

On this particular day someone else drove my truck and the turned off the AC using the Fan control knob turned to off. The orange black wire from the motor is ground going to the resistor and fan switch. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse.

With the key on turn on your AC or heater. The high blower relay gets power from fuse number 5 in the box. As soon as I adjust the knob to a higher or lower setting it starts blowing.

Blower motors are usually located under the glove box but it may depend on your vehicle. Easy video on how to replace blower resistor and motor with 1 screw driver and in about 10min. I tried the blower with the key in the on position and nothing helped.

Sometimes when I start my Tundra a 2018 with 15k miles the blower will be turned up 23s of the way on the dial beforehand but does not actually blow at all once the truck starts. Therefore it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. The Front Blower Motor Relay also known as the AC Relay located behind the junction block with a black connector B05 is the culprit.

This is often the case. The blower motor module is close to being the lowest point and will wind up sitting in a bath of water. No power to resistor and speed control knob.

I have searched the forums here and found some info but not that. Swapped relay under hood and changed 40 amp fuse. I usually leave the AC on either on Auto or with the fan control about 12 to 34 the way turned up.

First test your blower motor. 2011 cxu613 ac heater blower is not working 2011 cxu613 ac heater blower is not working. When I got in and turned the AC back on the compressor kicked on.

Then one at a time I replaced every fuse in the panel in case it was a fuse that I didnt understand what the label said. Clearly if the blower motor comes on when you put 12 volts to then I suspect we have a wiring issue where you are not getting 12 volts on the B wire. Does the bad blower motor sound get worse.

Depress the AC button and observe if the yellow light inside the AC button is on. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and. If the blower seems fine when you have it out I would have someone check inside the unit for a plugged evap.

To troubleshoot and fix the problem follow these steps. This is the most common reason for why your cars AC is not blowing cold air. Could turn ac on but not blowing.

If you replace this part go the extra step and make sure that the condensation drain is clear on your AC evaporator. Install new resistor behind glove box. The blower motor is grounded thru the resistor and then thru the fan switch.

Let us know what the actual voltage is on each of these wires by back probing the connector with it turned on. Greg Zains Shows How To Diagnose and Fix A AC AC Blower Motor Not Working In A 2004 Chevy TruckI edited this video with the YouTube Video Editor httpww. Specific Topic Forums for Antique.

2009 - 2014 Ford F150 - Ac Blower not working - 2010 F150 ac fan not working. Remove glove box pop bottom. Also make sure your old blower motor spins freely and isnt.

I have power to fuse 2 on inside. Air blows from the blower to the temp blend door hotCold mix. Next locate the blower motor.

Your vehicle should have a complete relay diagram showing the location of all of the vehicles electrical components such as fuses and relays. With the engine running. It must be on for this test.

To determine if this is a problem with the HVAC control you can try this solution. Discussion Starter 1 Apr 15 2018. By Keffer inc May 25 2017 in Electrical Electronics and Lighting.

2018 Tundra 4x4 57 81bed. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power it may cause the blower motor fuse to blow. Turn on the fan speed switch to any speed 1 thru 4.

For a more in-depth look at automotive air conditioning systems read this How Stuff Works article. Ford F150 Forum - Community of Ford Truck Fans Late Model F150s 2009. Oct 23 2013.

Turn off the blower motor and the Defrost mode then switch your truck off. Location of blower is on the passager side mounted right on the firewall tell your mechanics to make sure the ac clutch is kicking on and off this is a very simple electrical system you have thermostat which will make you compressor not run since it cuts power to clutch then you have low psi switch the only other thing that is left is your control and that i personally have. Electrical Electronics and Lighting.

I put back in the old fuses since the new ones didnt help. I replaced the fuse for the Def fan slot but it didnt help. It is possible that the evaporator in your truck is plugged with dirt and debri.

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