ac fan not working in truck
I cant find a wiring diagram for my truck and have only been able to gather bits and pieces of information. If it does not come on then check the fuse boxes.
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Turn on the ac on cold and see if the compressor is engaging if it is and stops and goes or if it doesnt.
. The fan does not work. Occasionally the fan motor will not turn on at all. The problem sounds like it is with your blower motor not your AC system.
A vehicle has one or two fans in the AC system which are usually located at the front of the vehicle. Remove the fan electrical connector turn the AC speed to high and check what voltage is present at the fan connector wires. 2003 chevy silverado ext cab 53 liter.
Two things are very likely to be your problem. 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. This is often the case.
The blower fan quit working on all speeds no ac or heat or defrost. While there I was told that maybe it was. On this particular day someone else drove my truck and the turned off the AC using the Fan control knob turned to off.
The speed control modulecomputerized resister is a known issue and I have replaced enough of these that I purchased a new speed control module to plug in on customers vehicles to see if the fan works then to quicken my diag. Link to comment Share on other sites. The voltage for the fan high speed by-passes the resistor block.
Try placing the vent to top only not at legs then place temp knob on coldest setting and max blower. The problem sounds like it is with your blower motor not your AC system. Tester July 5 2016 628pm 3.
The highest setting 5 has no resistor so the blower runs on high but the high current flow ends up burning up the switchs contact on that setting or the resistor wire harness at the blower motor has gone bad. Common would be the switch it. Cooling Fan Not Working.
The most common causes that hinders normal operation of air conditioning system on your Toyota Tundra are dirty cabin air filter refrigerant leak dirty or clogged condenser dirty or clogged evaporator bad blower motor defective compressor faulty blend door actuator or any fault in the electrical system. So the reduced voltage can then travel on to the blower motor. Ive been having a nuisance issue with the blower in my 06 Ram 1500.
In some cases the problem might also lie with the cooling fan wiring or other parts of the circuit. BIt isnt the resistor block. 2004 GMC Sierra 4dr truck.
I am fairly technical. By Keffer inc May 25 2017 in Electrical Electronics and Lighting. If the fuse is good then check the relay.
Hi everyone I have 05 Mack CXN613 and AC quit working after I check all fuses notice that APADS lights not coming on at all so Im not sure how to check that component because green wire is powered when I turn AC on is there something Im missing also I dont have fuse guide in my outer fusebox cover and not sure what fuse is for what if anybody. When I got in and turned the AC back on the compressor kicked on but the blower motor would not work. When you switch to high fan speed the relay switches over to supply full voltage from the battery to the fan motor.
The Front Blower Motor Relay also known as the AC Relay located behind the junction block with a black connector B05 is the culprit. The brake and abs lights cam. You can fix this by filling up your engine coolant.
Fan motors can get worn-out over time and eventually cant get up to speed. Venice Air Conditioning 941 303-5890 Venice AC Repair. On the low speeds the fan relay routes the voltage thru the resistor block.
2011 cxu613 ac heater blower is not working 2011 cxu613 ac heater blower is not working. Find your fuse panel and check the fuse for the blower motor or vent fan or something like that. I usually leave the AC on either on Auto or with the fan control about 12 to 34 the way turned up.
Your vehicle should have a complete relay diagram showing the location of all of the vehicles electrical components such as fuses and relays. Passenger Cars Mini Vans SUV Service and Repairs. Up to 8 cash back As the fan is designed to prevent the condenser from ever getting this hot warm air from the vents is one of the first signs that the fan may not be cooling the condenser.
Later that day or the next day the fan will work again. Car overheating while idling. 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.
The other possibility is that the fan resistor is completely burnt out and needs to be replaced. Try to check the compression on the low side of your ac the smallest plug where you service the ac. I removed it took it to the auto parts to get a new one.
Why is my ac heater blower not working. Which fan speed you choose determines which resistor gets used by the voltage coming from the relay. Where Is the heater fan located on a leu613 mack trash truck Quote.
The switch or the wire harness at the blower motor has gone bad. A couple of weeks ago my fan motor stopped working. Keep an eye on the coolant levels each time you open the hood.
This sounds more like a problem with high speed fan relay. And a coolant leak can end up with your engine overheating leading to more costly repairs. 2006 Dodge Ram 1500.
No Trucks - 1998 Chev C1500 acheater fan motor not working - I have a 1998 Chevrolet Silverado V8 57 with ac. Heres a pic of the resistors. Trucks that are going through a lot of coolant in a short period of time might indicate you have a leak.
Hopefully the blower motor simply blew a fuse. To check if its working set to hi blower and switch the relay with another that is the same a non critical relay example. Remove the fan electrical connector turn the AC speed to high and check what voltage is present at the fan connector wires.
Or take it to an ac professional to get it refilled or checked. If the blower doesnt work after you tap on it then its probably not closing to send the signal to the resistors. AC Condenser is Faulty.
Another symptom that may present itself when the fan has failed is the vehicle overheating while the engine is idling with the AC on.
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