2) Measure voltage between Purple wire and Black wire of blower motor connector. Pontiac Repair in South San Francisco, CA, See More 2004 Pontiac Grand Prix Questions. In this case, if the black wire is the Hi, then the motor spins terribly slow! Jesse Grandbois submitted this tech tip to help make it simple. Black = High, Red = Low, 2 Brown = Run Cap, Purple = I'm pretty sure common. The old motor had a white wire (or purple) that went to the old capacitor marked C (for common), the black wire to the contactor (for hot) and the brown wire to … Why shouldn't a witness present a jury with testimony which would assist in making a determination of guilt or innocence? The colors are just a little different looks like we have the power to the motor on the purple wire at the blower motor. Here's the existing motor's wiring diagram: And here's the replacement's: I understand the brown wires will connect to the capacitor, and the red, black, and blue wires … One is the ground. The AC Blower Motor Resistor controls the fan speed in your AC and heating system. Take the black kick panel off from underneath the glovebox. Blower Motor. With the blower switch in any position I get -0.00 on the voltmeter for the purple wire. When switch is moved to high speed, voltage drops to 6 volts and blower motor … Why do Arabic names still have their meanings? Q: One or more of the three low settings on the A/C fan don't work. Thank you for your response to study the part freezing, mid crisis. All models are electrically reversible and include 2 1/4 inch resilient rings. Electric Motor run speed side note : Incidentally while most electric motors are marked with a data tag indicating the motor run speed (in RPMs) it's worth noting that the number of run coils is what determines the run speed of the motor. In this case, if the black wire is the Hi, then the motor spins terribly slow! After about 15 yrs. Hear nothing, feel nothing. \$\endgroup\$ – Ultralisk Jan 13 '19 at 17:09 1 \$\begingroup\$ White is high with the 1uF cap and 0.1uF is slow which agrees with your schema and their block diagram except for hi lo reversed \$\endgroup\$ – Tony Stewart Sunnyskyguy EE75 Jan 13 '19 at 17:39 The only thing missing from this graphic is the motor rotation wiring, which is a yellow and a purple wire that will reverse the direction of the motor depending on what direction is needed. The purple wire is the (+) wire to the blower motor. (2 Speed Motor) New motor Has 6 Wires… Is this a multi HP rescue motor, or did you get a blower motor by mistake. If voltage is not present, repair open Black wire between blower motor connector and ground. I can't even think about seeing the blower motor to disconnect the wires from but could see purple & black wires going over the fender well in that direction. One is black and one is purple. I have a Goodman A42-15 I am replacing the blower motor. Off the shelf, PSC motors are generally set up to wired … The new motor has one rotation direction. The new motor I received has a yel … read more Delete column from a dataset in mathematica. (It took them some 2-3 hours to get the Siemens installed BTW.) This is a quick one on the difference between wiring universal condenser fan motors and why brown+white is the same wire as white. Still can't get ac to work. In order to check the relay to see if it is the problem, put a jumper across the relay between the dark blue wire and the purple wire … As I recall the wire is purple and about a 12 gauge. tape off the white wire and disregard it. Brown wires. It would only start if I spun it with a screwdriver to get it started. "brown, & Brown" with. ). Dreisilker Electric Motors developed the MotorSafe Repair process to deliver a complete, and thorough, electric motor repair. The purple wire is piggy backed with a black wire. The graphic is a reproduction of a Fasco motor. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. I checked all hvac, relays,fuses.. How should I connect this HVAC replacement motor? My car starts every time but kills after 2 or 3 seconds. You will need a Torx (T20?) It only takes a minute to sign up. Asking for help, clarification, or responding to other answers. my blower motor gave up on me : ( I went and bought a replacement motor but the wiring is different. checked fuses look good.Do not see fuse marked blower motor Posted by bsargent23 on May 10, 2011 Want Answer 0 Colours on equipment wiring generally do not mean anything aside from what is printed on the diagram; there are no consistent standards or requirements. I did a voltage test on the purple wire that supplies power to the blower motor. Traced them back & found them exiting the wire harness with the purple wire … Novel from Star Wars universe where Leia fights Darth Vader and drops him off a cliff, I accidentally added a character, and then forgot to write them in for the rest of the series. If battery voltage is present, replace blower motor. Is it illegal to carry someone else's ID or credit card? It has brown and purple wires going to the capacitor. Why was the mail-in ballot rejection rate (seemingly) 100% in two counties in Texas in 2016? The blower motor stopped working suddenly. Why is training regarding the loss of RAIM given so much more emphasis than training regarding the loss of SBAS? To be a bit more specific, the power wire is the purple (PPL) wire and the Ground wire is the black (BLK) wire. Can an Arcane Archer choose to activate arcane shot after it gets deflected? Your old motor had 3 wires. There are three other wires coming out of the motor- Black, Red and Purple(? rev 2020.12.3.38123, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. The new motor has 2 brown wires that go to the capacitor. Where is the common wire? Purple: Slate: Aerial lift motor to switch up: Purple: Orange: Aerial lift motor to switch down : MAIN: TRACER: PURPOSE: Red: Main feed to all circuits mastered by sidelamp switch ... Hi, thanks for this one. How do I wire my old 3/4hp 115-120v 50-60Hz HVAC motor to make an exhaust fan? Blower motor inop purple wire has no power. If you can no longer adjust the air speed with your AC controls or your AC system no longer blows chances are you need a new Blower Motor Resistor. 2. Where is the common wire? That brown wire with the white stripe is the same as your old motor's purple wire. Assumimg the high fan position is operating the cause could be a failure of a number of components. If you follow the wire to the motor & grasp the rubber backing on the connector, you can just pull it off. I have 3 questions about the wiring of a 6 wire new replace blower motor I just bought to a 4 wire old one. This one […] By using this site, you agree to these terms: What seems to make the problem better or worse? Im trying to figure out how to wire to a capacitor with fan, c , and herm … Blower Motor. If battery voltage is present, go to next step. 2 that are purple… Properly wiring the blower motor … To be a bit more specific, the power wire is the purple (PPL) wire and the Ground wire is the black (BLK) wire. 1998 Blazer The blower motor stopped working I checked all the fuses, all are ok. ,I turned the blower on high (number 4 setting) I checked for voltage at the blower motor wire harness connector and there was nothing. I can make the motor work if I hit it directly with 12 volts. In order to check the relay to see if it is the problem, put a jumper across the relay between the dark blue wire and the purple wire going to the fan. Red wire has voltage purple does not. Video demonstrating the standard wiring for the primary blower motor found in most furnaces and air handlers in residential HVAC. This COMPLETE KIT includes the Blower Motor Resistor and New Wire … Here’s a quick breakdown. It is easy to reverse single direction motors by flipping the stator end for end , the only time this won’t work is if there is a centrifugal start run. I noticed the green wire which is obviously the ground was cut off at the bolt it is attached to apparently some time ago. This guide will explain how to wire your new condenser fan motor using a four wire setup or a three wire setup when using a single run capacitor or a dual run capacitor. 4b. Oak Island, extending the "Alignment", possible Great Circle? The ignition switch will turn without the key and will not go fully back to the lock position at all, with or without the key in it. I would also check the supply voltage (purple wire… Depending on how I wire it, it either runs continuous or not at all. The new motor is this one, I believe: 3583 1/4 hp 1075 115 v 3 Speed Furnace Blower Fan Motor | eBay (I bought mine from a local supply store) Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The old one has 2 brown to the capacitor, green ground, a black and a purple, the red wire is not hooked up. Cut and splice the hot from the accessory plug into the purple wire… Connect a fused jumper wire to the blower motor male spade terminal that connects to the PPL wire of the connector. On the passenger side blower motor relay I get 12v to the orange wire. A review of the components: If you recall from our residential cooling season guide , … That brown wire with the white stripe is the same as your old motor's purple wire. That is not the case however. If you pull the motor and supply … - \$\endgroup\$ – Ultralisk Jan 13 '19 at 17:09 1 \$\begingroup\$ White is high with the 1uF cap and 0.1uF is slow which agrees with your … Where To Buy The Blower Motor. Just replaced serpentine belt now warning light and alternator ticks, Does your abs have to be working correctly to do a two-wheel alignment, Air Injection System Check Valve Replacement. protector is included within Azure's® wire harness. I've changed the blower fan, resister, conrtol knob and switch, checked the fuses and switched out relays. When the fan switch is on 1,2 or 3 settings the voltage is the same, around 11.2 volts. It has brown and purple wires going to the capacitor. The black wire is the (-) wire to the blower motor. Looks like that controler isn't supplying the ground to the motor … To learn more, see our tips on writing great answers. Since the blower motor is mounted on a fiberglass box, the negative wire connects to a tab that is toothed washer'd to the metal mounting of the motor… Where does the extra wire connect on my new furnace blower motor? I would check at the blower motor with a test light or multimeter by either jumping power to ground with the test light and see if it lights or put both leads of the multimeter on the connector at the blower motor while it is disconnected. Replace the motor if necessary. Now what? heater isn't working. The purple wire is the (+) wire to the blower motor. It should have a purple and black wire. I can make the motor work if I hit it directly with 12 volts. The part the red and purple wire plug into is called a ‘blower motor resistor’ - be a good ides to do some research on that part! Did you check voltage and ground at the blower motor connector, before changing anything? What could these letters "S" in red circles mean in a biochemical diagram? I’m replacing my AC blower motor. I have not been able to figure out the locations for the black and purple. When switch is moved to high speed, voltage drops to 6 volts and blower motor not working. First - Test HVAC related fuses using the test light. You'll notice that this wire will be a purple (PPL) color. Connect the red wire where the old motors red wire was . To Each wire. This is a .. Quick & Simple 2 wire installation .. See diagram above for dimensions ECONOMASTER. 3) Set blower switch to LOW position. Inspect and clean the purple wire contact that goes to the blower motor. Does the lite come on? How to wire a condensing fan motor for 3 vs. 4 wires is a common question by new techs. NO twisting or turning. Replace the motor if necessary. If not use a chassis ground/metal part of vehicle, touch purple wire… By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Follow the wires that run to the current cap. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. driver to remove the ground nut on the motor, near the numbered motor switch terminals. The purple is the ground for the system. I would not recommend doing such a test with the purple/white wire … I installed a new M&H A/C harness days before the blower install. MARS V. MARS direct drive furnace blower motors are three speed standard efficiency models. The ground signal must be tapped on and off repeatedly in order to create a pulsed signal. My old ac fan motor had purple, black, and brown wires. Initially one would think that if you just grounded the purple/white wire it would force the blower motor on. Q: One or more of the three low settings on the A/C fan don't work. Once we get power coming thru the resistor, going into the relay, and then on to the blower motor, it should run if the ground side of the motor is good. Hello again, I am attempting to test the blower motor I have now removed from the furnace still attached in the fan. The new motor has one rotation direction. Locate the purple wire at the blower motor, switch the ignition on and set the blower switch to the high position. See How to INSTALL & WIRE Up an Air Conditioner Compressor, Blower Motor, or Fan Motor Hard Starting Capacitor. The Azure™ Digi-Motor® from MARS is a high efficiency variable speed direct drive blower motor for a multitude of . the white wire will go to the opposite terminal. Where To Buy The Blower Motor. MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…, Blower motor lost RPMs after reversal of fan direction, replace old furnace blower motor with a new one but the wires are different. If you see a ground wire connected to a current-carrying screw or terminal on a switch or outlet or to a white, black, or any other color wire, stop immediately and call an electrician to sort it out. Using a DVOM, measure voltage at blower motor connector Purple wire. My furnace is approximately 20+ years old and i need to replace the blower motor. If voltage is not present, go to step 3). Actually i have no idea on the wiring such as Blower Motor … I recommend a heavy duty one since a cheap one might get hot or melt. Some are clockwise, and some are counter-clockwise. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. tape off the white wire and disregard it. 2) Measure voltage between Purple wire and Black wire of blower motor connector. Your going from a 3 wire set up, to a 4 wire set up. Once we get power coming thru the resistor, going into the relay, and then on to the blower motor, it should run if the ground side of the motor is good. Unplug the connector at the blower motor. It is basically self-explanatory. I did a voltage test on the purple wire that supplies power to the blower motor. It should have a purple and black wire. 4c. Since 1955, Dreisilker has been the leader in electric motor repair, generator and wind generator repair, and new motor sales. Connect the red wire where the old motors red wire was . The old one had Red,Blue, Black wires for speeds, white Common, and brown & brown/white wires to the capacitor. First - Test HVAC related fuses using the test light. When the fan switch is on 1,2 or 3 settings the voltage is the same, around 11.2 volts. Im a girl and I got this far. Thanks for taking the time to tell me the obvious but no insight on the actual problem at hand. ... Is the purple wire on AC blower motor common wire? Thanks for contributing an answer to Home Improvement Stack Exchange! When I removed the blower, the wires attached to the motor detached from the furnace controls and I did not see where they were attached. First - Test HVAC related fuses using the test light. The ground goes through the motor, blower resistor and to ground. Making statements based on opinion; back them up with references or personal experience. That’s right, I checked for power on the ground wire. Run, but run with a lot of noise. When the blower motor fails (or starts to fail), it will do one of 2 things: Stop working completely. I’m replacing my AC blower motor. One of them wires has a white stripe on it. The blower motor should run as you soon as you connect the other end of this fused … According to the photo I’ve attached, am I supposed to connect a second wire to the capacitor terminal with purple wire, and connect the other end of this second wire to the control board connection where the white wire previously was? What would a scientific accurate exploding Krypton look like/be like for anyone standing on the planet? I noticed the green wire which is obviously the ground was cut off at the bolt it is attached to apparently some time ago. Your new motor appears to not be reversible so hopefully it spins in the correct direction. Cut the old purple/power & black/ground wires to the blower motor and left the 2 new ones there for the shop to connect to the new blower. bolt the green ground wire to the frame. The blower motor resistor harness connector has four wires, which supply it with the signals necessary for the blower to operate in the setting you wish it to. The old is an AO Smith, with only 3 wires coming off of it. There is power going in to the module but not power out to the purple wire when the key is on and motor switch calling for the motor … Cut and splice the ground from the accessory plug into the black wire. I traced the purple wire back to a module (15-72530 I think) under the relay box at the firewall (see image below). Unplug the connector at the blower motor. The only thing missing from this graphic is the motor rotation wiring which is a yellow and a purple wire that will reverse the direction of the motor depending on what direction is needed. This is a quick one on the difference between wiring universal condenser fan motors and why brown+white is the same wire … Pin Letter, Wire … On the old motor I have 5 wires. Black, blue red for speeds. The new fan motor has black, white, brown, and brown/white. Help. How can I discuss with my manager that I want to explore a 50/50 arrangement? Unsure if the orange common wire that is shown attached to the capacitor is what's supposed to be spliced with the yellow wire coming out of the new motor It is a 3 speed motor (D1036) that's replacing the original 4speed motor … Inspect and clean the purple wire contact that goes to the blower motor. This usually means that the purple (PPL) wire between the relay connector and the blower motor has a problem. Connect the ground wire first. Thanks, Jesse!. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. From what I have read the purple wire is what supplies power directly to the motor - it does actually connect from the relay to the blower motor. I can't get my brake booster out, it twists on. I went ahead and bought a new motor and run capacitor, which the supply house matched up for me. The brown wire from the old motor should have been connected to it, so try to remember where you removed the brown wire from. Since the blower motor is mounted on a fiberglass box, the negative wire connects to a tab that is toothed washer'd to the metal mounting of the motor. I checked for voltage at the blower relay wire harness connector and there was 12 volts on one of the orange wires. I have a red/blue an a black wire witch one goes to the breaker an then a small purple wire comes off capacitor Re: Blower Motor Wiring (colors) joshua...@gmail.com: ... Small blower motor with yellow black an orange wire,need to know which is positive neagative an ground Re: Blower Motor Wiring (colors) Scott Lurndal: 6/28/18 1:20 PM:

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