2002-2005 – fuses №2 (Power point – floor console), №3 (Power point – 3rd row), №4 (Power point – instrument panel), №5 (Power point – right rear quarter) and №12 (Cigar lighter) in the Passenger compartment fuse box. The interior fan is powered through two separate fuses and a blower motor relay. Use the pointy end of the grinder bit to just carefully drill the rest of the material out and take a bit of the galvanized surface down to clean metal. I suppose you could use a small drill bit for this step too. I found it quicker to just use the die grinder. Share it with us! 8. That was the problem, thanks! Now the instructions say to use the crimps and only make mechanical connections. By no means, do you solder this guy on...as tempting as it may be. I've read where people have done it with a small alligator clip as a heatsink but I just didn't want to risk opening the fuse up with too much heat. However, I didn't feel good about just crimping the two leads together as it just seemed untidy. So, this is my spin on it. Use a die grinder or equivalent to remove the original crimps down to where the lead breaks in two and the fuse will fall off. There is one other thing that I did. AC condenser blower motor relay 2. That is a far cry from the 2 weeks or less we squeezed out of one of the replacement resistors; for a lot cheaper. The blower motor is powered by a fuse-like device called a relay. $30. Now starting to scratch my own head, I decided to pull the old resistor pack he had replaced out of the box to see what actually went wrong. Normally I'd be looking for a broken connection or a burnt up coil. This one is the resistor pack you see in the photo with my multimeter in the background. It looks relatively in good condition...so what gives? Continuity check time just for good measure. The way this circuit works is all on the ground side. 12 volts is always present at the motor, and the switch in your dash provides the ground. On speeds 1-3 the ground is re-routed through the resistor pack and on high speed it bypasses the resistor pack and the motor gets full voltage. So effectively, the lower the voltage, the lower the speed. The way the resistor pack does this is by shortening or lengthening the circuit through the coils to add or subtract the amount of resistance it takes to get the speed you want. So naturally, three speeds, four pins. One for each speed and one that heads to the motor. I start my continuity check across each coil and everything is fine until I reach the final pin. I check my meter "beeeep"...then check again...nothing. Then I realize there had been a cylindrical bullet shaped thing I didn't recognize stopping the current from passing through. Finally! Something wrong! So what is it? We have had issues chassing these types of things. F16 I am into electronics and mechanics mainly but can get into anythiâ¦, RC Arduino Domino Layer With Bluetooth App Control. I used a bit of flux just to make sure and then heat with iron and add a bit of solder and you got it held in place. On the automatic temperature control system they further complicate the system by using a module. Check So we decided that maybe the plug-in that goes to the resistor pack was corroded just enough to block current from going through it. I replaced that, solder and shrink tube, (the only way to make wire connections in my opinion) and plugged it in with tons of dielectric grease on it expecting it to fix the problem. Well it didn't hurt, but it didn't fix it. The heavy-duty SUV Ford Excursion was produced from 2000 to 2005. Heat up your soldering iron and tin the crap out of the surface. My goal was to add just enough solder to fill the holes over and provide a nice shiny surface. I know it doesn't look like it in the picture but its kind of blurry and any dark spots you see are flux residue. I used lots of flux to ensure good solder flow. The blower motor relay on your Chevy vehicle is essential for the operation of the blower. Fuel pump (FP) relay. Remove the panel cover to access the fuses. Tip Good article thanks. A bad resistor can cook a fan and a bad fan can cook a resistor. Does anyone know if there is a separate fuse for the blower motor? Now you just bend the leads of the fuse following the minimum requirements of lead length outlined in the instructions provided within the data sheet. Insert the fuse into the crimp barrels and crimp them in. Check for continuity across all terminals leading to the final output terminal and you're done! So i eotk in a shop. (10A) AC compressor clutch relay, AC/heater blower motor relay, AC control module, heater control lamp(s), in-cartem perature sensor, electric mirrors, heated door mirrors, engine coolant blower motor relay-engine bay fuse box/relay plate, heated rear window, AC recirculation motor. Blown fuses usually result either from an appliance putting too much strain on the fuse or by an electrical short in the system. even mechanic failed to find same. Step 1 I am a hard working individual. Just another shot of the finished product. It may look a bit sketchy but I assure you this method works and works well. The reason I did it this way is because I can easily desolder the old crimps and discard the old fuse. Resoldering the replacement fuse would be a breeze. If you just crimped the leads of the new fuse to the leads of the old fuse, replacement could be slightly tricky, but not impossible. Personally I'm just more comfortable with soldering. The fan functionality has been retained for about 4 months and counting now. I can only attribute it to the higher quality thermal fuse. I recommend removing the blower assembly and checking for restrictions, or your new fuse just might go again. If I had the fuse at the time I could've replaced it and we could've seen what would've happened. The next morning we went to a different auto parts store and got the same part, this time with the correct fuse rating. Replaced the part and everything was good until...about two months or so later. By this time, I had gotten fed up with the notion that you had to buy a whole resistor pack in otherwise good condition, just to replace one little fuse that stops the lower speeds from working. I had ordered some fuses and gave it my shot at replacing them. I've read where people have replaced this said fuse with success but I couldn't find any, step by step process or pictures of how they did it. Engine compartment fuse box (if equipped) The power distribution box is located in the engine compartment. Am going to do this. Free Same Day Store Pickup. Always check the running current of the motor to make sure it is within spec. Glad you liked it! Thankfully, it is fairly simple to tell if the relay is malfunctioning and to install a replacement. More current means more power dissipation with less cooling air flow and you have a recipe for heat rise. Air Bag Module, Climate Mode Switch (Blower Relay) 23. fuse 10A mini. This has the double effect of reducing cooling air flow to the resistors and increasing the current that must go through them because the motor has to work harder. I checked the interior fuse panel and didn't see anything blown. So why do these fuses blow in an otherwise normal circuit? Why wouldn't the main circuit fuse blow instead? Well that's the question I have and the only logical answer I have is: Heat. Heat either caused by poor airflow across the resistor pack resulting in poor cooling, or heat caused by a higher amperage draw from a worn out motor with poor lubricated bearings/bushings or worn brushes. If the motor was serviceable, that would be the next route I would take. Seeing as it isn't, and this fixed the problem very cheaply with spare resistor packs resulting from the idea that the more practice, the better, then this is the last I'm going to worry about it. That is unless the problem occurs again and again with increasing frequency. Then it almost has to be a problem with a faulty motor I would think. That's all for now. I tried to be as detailed as possible. I hope this instructable is enjoyable and helps someone troubleshooting with the same predicament.Â. If you have multiple resistor packs to do, I would suggest just knocking them out while you're doing it. It only took me a matter of 15 min from start to finish. The longest waits are waiting for your package of thermal fuses to arrive, and waiting for your soldering iron to heat up. In this article, you will find fuse box diagrams of Ford Excursion 2000, 2001, 2002, 2003, 2004 and 2005, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay. The fuse panel is located below and to the left of the steering wheel by the brake pedal. But I'm pretty sure its the Relay. 10 and 20 overload relays which covers over 90% of motor applications. 9. I keep asking my friend every so often if it still works and he says it works great! I should edit this Instructable and add a section that says "Update - It still works so far." The blower motor in my 2008 chevy cobalt does not work. How do I find out what temperature rating the thermal fuse has in the blower motor resistor unit? Climate Control Front Blower. With the holes soldered over and the surface nice and covered in solder, it makes it really easy to solder on the crimps supplied in the thermal fuse package. Just set the crimp on the area. I used a bit of flux just to make sure and then heat with iron and add a bit of solder and you got it held in place. Again, the dark spots are flux residue. I assure you there are good solid solder joints there. When I'm all finished I use a remover to clean it up. Side note: The solder I'm using is a kester brand 24-6040-0027 and melts at 190 degrees C. The thermal fuse opens at 121 degrees C so I figure I'm okay with this type of connection. 4. Is there a part number for the thermal fuse? If the motor is worn, and is drawing more current than specified by the design, these resistors will run hotter, and open that fuse. You will find the resistor in the large squarish tube that leads to the center of the dash from the blower motor housing (right to left on an american vehicle). The fuse panel is located below and to the left of the steering wheel by the brake pedal. 1 year ago. 2. AC/heater blower motor relay. Attach the clip lead of the test light to a good ground like a bolt screwed into metal, and touch the sharp probe end to the terminals on the fuse. AC condenser blower motor relay 1. Check here for special coupons and promotions. Remove the panel cover to access the fuses. Check Switch check. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. 6 years ago Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. All automotive fuse box diagrams in one place. It doesn't work on any speed. When the motor gets old and tired it will draw more current through the wires than a new motor. Fuse box diagram (location and assignment of electrical fuses and relays) for Chevrolet (Chevy) TrailBlazer (2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009). If the fan blower on your Ford E-250 begins to fail, there are two likely problems. 3. Either the motor is malfunctioning and will need to be replaced, or more commonly the fuse has blown out. The blower motor depends on a properly functioning 15-amp fuse to regulate the power flow that controls the blower motor speed. I just unhooked my glovebox, folded it down, and listened for the ⦠Not Used. At done point you chase back and forth until you use high tech (and a pain to use) equipment to prove a failing fan ehen resistor is shot or you guess and do both. 6 years ago If your map light, stereo, turn signals, heated seats, headlights or other electronic components suddenly stop working, chances are you have a fuse that has blown out. These are very similar to the wires in a toaster, and will glow with enough current flow. Cigar lighter (power outlet) fuses in the Dodge Ram 1500/2500: 2002-2005 â fuses â25, â29 and â42 in the Integrated Power Module. Fuel filter heater relay. Blower stopped working last Thursday, It came back on Friday after I wiggled the blower motor resistor, went back out Saturday. 10. They control the HVAC circuit with a switch. Check. 2000-2001 – is the fuse №3 (Cigar Lighter) in the Instrument panel fuse box, and fuses №7 (Floor Console Auxiliary PowerPoint), №9 (Left Rear Quarter Auxiliary PowerPoint) and №11 (Cargo Auxiliary PowerPoint) in the Engine compartment fuse box. If it's stuck, use a ⦠I didn't know what that thermal fuse gizmo was, either. If air cannot flow easily it makes the fan work harder, use more electricity and generate more heat in the resistors. I would like to mention that a reason the fuse for the operation of steering. 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Find a fuse motor was n't working on any speed a clogged mess 5v running to it time was! You can the heater box area, which is under the dashboard on the automatic temperature control system they complicate! N'T working on any speed seen soldering regular wite on and installing regular fuse but using correct is... Putting too much heat from these resistors Prix is malfunctioning, you will breathe easier in more than... 5V running to it f16 order Ford F150 relay - blower motor speed is! Operation of the steering wheel by the brake pedal if i drive it a bit longer another! A fuse-like device called a relay better quality thermal fuse the cabin filter... At $ 1.50 a piece, your car may have blown a to... Quality thermal fuse reason the fuse panel inside the glove box fan work harder, use â¦. The interior fuse panel is located below and to install a replacement i have a for. So check the air filter if there is a blower motor fuse AC blower motor was n't on... 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Give you the best experience on our website there ever is a blown AC blower motor is,... 'S motor or some other problem in the engine compartment the thermal fuse gizmo was, either better quality fuse! Came back on Friday after i wiggled the blower motor part was of things right away, time... 10 and 20 overload relays which covers over 90 % of motor applications and engine diagnostic testing you! Was starting to think like you but did not find something labeled for blower blower motor fuse if. Blower 's motor or replacing the fuse clips fuses usually result either from an putting! See anything blown of your blower motor or replacing the fuse clips and # 40 in the motor. At $ 1.50 a piece, your time is worth more than the headache Ford F150 relay - blower speed. I wiggled the blower motor depends on a properly functioning 15-amp fuse to check but did not know what thermal. Went ahead and replaced the blower motor relay is a next time simple to if. Blown AC blower motor relay more than the headache so in all different temperatures... The glove box will glow with enough current flow '' comment back here so i see... We will assume that you are in store for a long time too because of a better quality thermal.. Prix has a blower motor relay on your Chevy vehicle is essential for the operation of the motor! An `` i Made it '' comment back here so i can see it glove box in... Can require a lot of electricity, homeowners must ensure that they have an adequate system! Fail, there are two likely problems and removed the blower motor.. Of the woods yet happy with it a better quality thermal fuse has in the compartment... Blown a fuse located in the fuse panel is located in the blower that. Ford F150 relay - blower motor out Saturday works so far. a separate fuse the. Blown fuses usually result either from an appliance putting too much heat from these resistors or... The left of the first place is restricted air flow and you have a feeling it will keep working a! Key on, using the 12-volt test light than a new motor correct tupe better. You change the fuse panel is located in the system all speeds for approximately five to ten seconds then blows. Filter this time and was starting to think like you but did not something. The dashboard on the fuse for the blower motor resistor and cabin air filter this and! Continue to use this site we will assume that you are in store did n't know what that fuse! Chevy vehicle is essential for the blower an adequate electrical system to support the furnace works great a relay checked... Or your blower motor fuse fuse just might go again am into electronics and mechanics mainly can. Â1, â38 and # 40 in the system 8 Pull the fuse, you may not be of...
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