Tip. Jeep's fix was to replace the melted blower motor resistor and install a new wire harness with updated connectors. Also check your switch on the dash. Pull the resister toward you,it. 1. The reason the plugs melt is because of the inductive properties of the bulbs. resister bad would still allow high speed. Oct 17, 2011 • 1998 Ford. Replace the blower motor speed controller with new part number 7C3Z-19E624-C. . I have a 2003 Forester, about 3 years ago it melted the wires on the blower motor. Testing the voltage at the blower motor. Conclusion. The A/C blower motor wires started to melt at the plug. Remove the blower motor switch. 3. Replaced IAC, plugs, wires, coil, fuel injector - Answered by a verified Ford Mechanic. Replacement of the blower motor along with the blower resistor is common practice. [The price is skyrocketing, I've paid $27, $38, and last year $52 for a replacement switch. I have tried those breaker type fuses but the blower still keeps popping the breaker and now it shuts off for about 5. This issue involves the wiring for the system –known as the “blower-motor” –that controls air flow for the heating and cooling (air conditioning) system. 5 - 1997 7. I never found a live wire for the heater / ac blower. . Heater blower stopped working, checked all fuses, and looks good. Front and rear Tom. Everything was fine for a day or two and then I noticed it was again only working on High. The ground for the blower has. The plastic connectors that connect the power to the motor were completely melted together. Resistor plug and resistor is kinda burnt / melted. Sounds like you may have a bad ground connection. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. You can also use two wires and run them as a straight wire from the battery to the blower motor, one as a hot and the other as a ground, to ensure the blower is good. The high current causes heating due to resistance caused by the loose connection. 1966 Dodge Coronet Convertible, 1993 Dodge Ram D250, 2021 Ram 3500, 1981 Wheel Horse C-105, 2018 Scag Liberty. The related webpages. For HOT, I started with a 12AWG wire. ] Push the new control into the opening in the dash, it will click into place. 9l engine. have a 2000 ford e250 van with v8 triton motor. trace the blower motor wires till you find it. My e-mail addre. Poor idle. About 4. I replaced it with an OEM resistor and wiring harness. . Answer. 1998 ford escort wagon. Follow the wires from those splices, back to the control board, or check the schematic. Check Engine Light on. The purple wire, bottom wire from blower motor is ground. Most likely needs a new fan motor. This just started after the key was. Only a professional mechanic should handle the ballast resistor. BMW 3 Series involving the wiring of the blower motor. TEST 2: Using A Jumper Wire To Bypass The Blower Resistor. A bad resistor can prevent the blower motor from getting full power. A bad connector can present problems for your car. Ive replaced my blower motor in the past year. This damage could cause the blower motor to stop working, or to actually stick on and never shut off. The blower motor resistor and the wiring that goes to it keeps on melting what should I do. While checking for loose wires, I found that when I wiggle the connector that the blower motor wires run into on the firewall, the blower motor will start. The third and final method of testing electrical resistance in our list is by using a portable jumper. either way the wire that keeps melting for some odd ball reason still gets 12v to power the motor. In total there were six generations, spread across three basic platforms: the. When it comes to your Ford Escort, you want parts and products from only trusted brands. If the motor doesnt work at all at any fan speed, make sure the wiring harness that plugs into the motor under the hood is clean. Always consult a professional repair manual. Perform a current draw test on the blower motor and check the conenctor for excessive resistance. The ac/heat blower has stopped working all together. 0, np231, aw4, its a heap. Step 6 Replace the Fan Motor. Circuitry open/shorted. The wiring at the connector to the radiator fan keeps melting/burning up and then the fan won't turn on. Aug 10, 2010. Just looking for advice about where I should go. Step 1: Check the Blower Fan Operation. The blower motor is attached by 3 screws to the bottom of the assembly. 2009 - 2014 F150 - Blower motor resistor overheating - Have a 2009 platinum, 5. Sounds like you have more than one issue. Last six are 190266. It has just under 100,000 miles. You may have to do some rerouting of the harness to achieve this. The fan is drawing too much power and blowing out the resistor. August 08, 2010. This causes the wires and connectors to burn or melt when the blower is run at full speed for long periods. Ryan1997 - 2003 F150 - 1999 F150 blower motor fuse(s) - Hey guys, Started my truck today and found the blower to be dead. Unplug the wire connector. Blower Motor Replacement ($279 - $304) in Cincinnati, OH. Ford Escort Heater AC Blower Motor RemovalDisclaimer:This video is not meant to be a definitive how to. Burning electrical components. Check that and the plug up to the blower and resistor for any melted wires. The overcurrent could be a short in the motor windings (replace blower motor), and is just about the best case scenario for a diy guy. The ignition modules on the TFI system are common failure items. This caused the wires to touch and now the blower doesn't work. this way if it shorts out, it will blow the fuse try a 20 amp fuse if this is not enough. A few months later it happened again. 2009 - 2014 Ford F150 - HVAC resistor keeps burning out - Recently had the HVAC resistor burn out. Scared it's only going to last another 5 minutes then burn out. This will remove the fan assembly. Disconnect the blower motor wires from the blower motor resistor. Step 1: Find the relay. You can find this tutorial in Spanish here: Prueba: Resistencia del Motor del Soplador (4. I replaced the resistor and the connector and it melted again. Another possibility is that there’s something. 1993 ford escort 5spd --1. Locating these is best done with a. I tried to measure current. In rare cases, burning smell can be caused by an overheating wire of blower motor that is drawing too much current, and its fuse is not tripping due to improper amp rating or low quality. 8 liter Dual Over Head Cam and the 1. While it could be the fan motor itself (they are a brush-type which may have worn brushes), but it is more likely that it is an intermittant open caused by a jack and plug no longer contacting right, a crusty fuse blade or jack or corroded contacts at the resistor that controls the blower speed. If there's no air from your vents, your blower motor, blower motor resistor, or a connector may be at fault. Maintenance Shop - Blower Speed control module melted harness - I have a 2011 Ford FX4 150. Hook wires to each side of it. The electric radiator fan wont come on to cool engine, thus it overheats. Once the whole motor assembly is removed, the next step is to remove the motor. 10 feet red 12 gauge wire. Overheating blower motor wire. The connector or terminals should be replaced; a replacement connector is available. The best part is, our Ford Escort Standard Spark Plug Wires products start from as little as $26. Burning electrical components. From my experience, when both red and orange, the orange is the low. 0 4X4 in September of 2019 with 80,000 miles on it so there is no warranty on it. Remove the battery tray. As stated in the previous section, the blower motor switch's job is to ‘bridge’ two separate contacts together. I'm about to just wire in a relay to bypass the fuse box for the blower but I'm worried that might cause a fire since after I fixed the connector it just melted the fuse. You can see blower fuse at the top, hot all the time. Cleaning the spade lug and tightening the connectors, as you suggested, will help. Something told me the switch wasn't. alt. Melted fuse box: The fuse box holds many fuses and connectors and has a vital role in the car's electrical system by protecting. 1987 Ford E-Series E-150 STD Econoline. There have been multiple reports of the blower motor resistor melting or overheating. 8 v-10. I have 1993 Ford Escort 1. The blower motor decided to stop working as of this morning. Feb 26, 2016. read more. You would practically have to break the pigtail out of the resistor. Study now. The shop replaced the HVAC control module. Plage 12 volts on the contacts to test the motor. Remove the four 5/16” screws that hold the blower motor assembly in the housing and gently pull the motor assembly free from the housing. 8. Remove the battery (10655) ; refer to Section 414-01 . Here is a more detailed list of the signs of a bad or failing fuel pump relay to look for: 1. 1998 Dodge Intrepid. Clifford Beard Oct 28, 2011. Ive already went to a junkyard and got a whole new fan and harness (the 95 harness was falling to pieces). Same thing happened on my 2002 Grand Cherokee. Remove the battery (10655) ; refer to Section 414-01 . Change the end on the harness, put in another new resistor, and change the blower motor as well. Plug in the power connection, and slide HVAC vents on. To answer your question - there is a relay box up underneath the drivers side dash near the. rear wiper was blowing fuses. TEST 1: Checking Continuity Of The Blower Switch Fan Speeds. Undergoes testing with thermal cycling to withstand temperatures ranging from -22°F to 257°F. Have you checked the tightness of the ground connections, cables for wear, etc? Basically, it sounds like what is happening is that the car's battery has juice (have you checked it to determine voltage?), but the resistance in the cable(s) somewhere is too high to allow sufficient flow to the car's starter and other. The contact stated that the resistor melted the grounding wire and caused the blower motor to fail. Blower motor resistor or heater fan resistor. 1993 escort: 19 motor the car will not start. 2: the engine is way lean and cause ISC to loose control. As far as the melted wires, this is a common failure on these trucks. Free 90-Day Returns. The 4-conductor connector is melted with a black spot, and a few of the wires are melted with the wiring exposed (and in terrible condition). Limited-Lifetime Warranty. I already checked the fuses and all fuses are good. FWD. Truck: 2006 F-150 Super Cab. They said that the blower motor was bad and that's why the harness is burnt. 1968 Ford F100 truck. Easy to use parts catalog. then put the fan speed switch between the relay and the blower. If it is a blower motor or switch drawing too much, the fuse would blow. The connector on your Ford's blower motor will have a BRN/ORG wire and a PNK/WHT wire. I replaced the resistor and the connector and it melted again. Where To Buy The Blower Resistor And Save. Your ground is supplied through the switch itself. Re: 2006 AC Blower does not work at any speed. Maintenance & Repair. all connections appear to be solid. Resistor —Heater Blower Motor Switch Removal . I finally found a place that sells the resistors, and went to replace it when I found out that the wiring to it had melted. I bought another register and installed it and checked the operation. Shipping Options: Ground $ 39. The blower motor resistor allows you to change the speed of the fan and the flow of air. Auto Body Parts & Mirrors. When it comes to your Ford Escort, you want parts and products from only trusted brands. Remove the heater blower motor. Yet it looks like the wires were cut and then a barrel crimp connector was used to reconnect them. In rare cases, burning smell can be caused by an overheating wire of blower motor that is drawing too much current, and its fuse is not tripping due to improper amp rating or low quality. I ran the fan directly off the battery through a 25 amp fuse and it did not blow that fuse so I'm pretty. Fig. what can it be? checked. So now I'm at the pinpoint test of: Measure voltage between A/C-heater function selector switch connector pin C204-4 and ground. Time to do some testing instead of just replacing parts!! Unplug the blower motor and see if you have voltage at that connector, and that the voltage changes as you change blower speeds with the switch. SOURCE: ford escort lx fuse problem. Another more serious symptom of a problem with the. The blower motor connector joins the two and sends a signal from the blower motor resistor to control the speed of the blower motor. there is a vent opening linkage for the top vents if you had removed panel for sterio install this linkage might have come loose or the wiren to electric relay to open top vents came loose. ∙ 2007-11-02 19:37:04. My fan stopped working so I thought the problem was the Blower Speed Motor Control Module. Disconnect the blower motor wires from the blower motor resistor. and crank motor (need two people) look and listen for a spark, if you see or here a spark, then go to next step which will be to check for Fuel. When it doesn't work, none of the speeds work. I replaced the melted wires only to have it do the samething. Remove the motor mounting nuts and pull the blower motor out. The blower motor draws a LOT of current. When the PCM releases this circuit from ground, it should indicate. and wires, in my 1993 escort lx 1. 4 posts · Joined 2008. Posted on Oct 28, 2011. This could also be true of fully automatic programs. The other morning I replaced it pulled out to go to work and turned on my wipers to clear some mist. 11. i have a 1993 f150xlXXXXXautomatic withoverdrive with a4. If no power is available, move back to the switch, and see if it is getting power. The wiring a few inches back from the fan connector: they were frayed going into a spade connector that was right behind the right side. They fail in a variety of ways,” he went on. -Problem: PCV tube elbow dry rots or cracks open, causing the car to stall.