Gm used to use a card (very thin) with resitances built in to control blower speed they overheated easily and died. If results show an open circuit, your Chevy needs new blower motor resistor. If … 4Seasons/Everco (1) Dorman (1) Duralast (1) This is a test. To remove the Chevy blower motor, start by taking out the right sound insulator and the instrument panel (I/P) compartment. When you adjust the fan speed control for more hot or cool air, the blower motor resistor adjusts the amount of electrical resistance. The less current the blower motor uses, the slower it runs. It is my understanding that at the highest fan speed, there is 0 ohms resistance upstream of the blower motor. A bad blower will take out a resistor but resistor replacement especially the original on a 2000 is common. The average cost for a Chevrolet Silverado 2500 HD blower motor resistor replacement is between $101 and $136. Refer to the wiring diagram for your vehicle and check for continuity on all three resistors and speed switch setttings. Also, if you smell burning plastic or smoke begins to enter the cabin when the blower is going, that is also a sign you have a faulty blower motor. Filter. If you need to test the 2000 or later blower motor resistor block, check out the following tutorials: I have no blower at any speed 01 T&C Ltd with ATC. Its cheap enough, to replace the fan if its making any noise or anything anyways. About a month ago, speeds 1-4 went out as well. Im gonna say its either the fan switch or the blower motor. Blower Motor VS Control Module Mar 04 2014, 10:00pm if it's the resistor, or a related issue, it may be covered under an extended warranty. I think I paid $30 or so for a blower motor from Advance with a lifetime warranty. In the last couple of years we have gone to a much beefier type of resistor that dissapates heat much better. Resistors have it rough. Step 1 – Check the resistor module. 1 Answer 2005 mustang blower motor resistor location. When it comes to your Chevrolet Silverado … Following the great advice on this forum, I checked the blower motor resistor and plug, and replaced as advised. I checked the fuse, and it was blown. They always have electricity flowing through them, and the voltage can change sharply as the vehicle’s owner adjusts the strength of the blower … Now, reconnect your resistor … (The black wire is usually the negative.) Labor costs are estimated between $26 and $33 while parts are priced between $75 and $103 . I am having a problem with my blower motor on my 2004 Chevy Silverado 1500. Advance Auto Parts has 19 different Blower Motor Resistor for your vehicle, ready for shipping or in-store pick up. 2003 Chevy Silverado Blower Motor Resistor Wiring Diagram - Database. Blower Motor Resistor Complete Kit with Harness - Replaces 15 81773, 89018778, 89019351, 1581773, 15-81773 - Compatible with Chevy, GMC Vehicles - Silverado, Tahoe, Suburban, Sierra, Yukon XL - AC 4.4 out of 5 stars 892 About a month ago, my blower stopped working on certain speeds, then it quit working all together. 2005 T'Blazer, 6 cylinder, manual A/C controls. 2008 Chevrolet Silverado 1500 Blower Motor Resistor. Maybe 6 months ago, blower fan speed 5 stopped working, followed by the rest shortly after. The old one had burns on 2 of the 7 wires (red and black). Blower motor resistor has repeat failures. This controls the amount of power sent to the blower motor… Get a free detailed estimate for a repair in your area. It is responsible for controlling the blower motor’s fan speed. 2006 Chevy Silverado Blower Motor Resistor Wiring Diagram– wiring diagram is a simplified conventional pictorial representation of an electrical circuit.It shows the components of the circuit as simplified shapes, and the capability and signal links between the devices. Free Same Day Store Pickup. The switch, high blower speed relay or the wire harness at the blower motor has gone bad. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. FILTER RESULTS. I replaced the fuse, and it blew again, so I went and got a new resistor. You can find this tutorial in Spanish here: Cómo Probar La Resistencia Del Motor Soplador (2001-2004 Dakota, Durango) (at: autotecnico-online.com). So in troubleshooting your Chevrolet blower motor resistor, you need to test the fuse as well. The hardest part about diagnosing was that if you unplugged the blower fan and tested the two wires coming from the resistor there was power on speed 5. NOTE: If you need to test the blower motor, see this tutorial: How To Test The Blower Motor (2001-2003 Dodge Dakota And Durango). If the relay is blown out, you will need to install a new one is soon as you can. Finally, if you hear that the blower motor is still running even when the Silverado ignition is in the “off” position, chances are, your blower motor needs replacing. You want to just push the tab on this and disconnect it. How to remove the Chevrolet blower motor in a 2006 HHR? BRAND. When the fuse is problematic, it would eventually affect the resistor. A couple of things that I would add: If you are like me and like to test things out before putting it all back together, you need to realize that the giant green resistor gets very hot when it is being used, in fact it depends on the same air that it controls and is blowing by it to cool off. Testing whether there’s power flowing to the blower in the first place is a good way to rule out a bad motor. 2003 Chevy Silverado Blower Motor Resistor Wiring Diagram - Database. ... Test the voltage. Causes of a Bad Blower Motor Resistor. Blower Motor Resistor Basics. Duralast Blower Motor Resistor JA1717 $ 39. 1-3 of 3 Results. Would it be safe to shunt/jumper/short the blower motor resistor, provided I am content with having the fan on full blast? From the forum, I thought it was the resistor pack so I replaced both the pack and the pack connector. The highest setting 5 has no resistor, so the blower runs on high but the high current flow ends up burning up the switch's contact on that setting or the relay and may be the resistor wire harness at the blower motor … Put back the hush or close-out panel. It is dead silent and seemed to be better built than the worn out factory one I pulled out. Check for full airflow at the vents. Check out free battery charging and engine diagnostic testing while you are in store. The blower motor resistor is an electrical component that is a part of the vehicle's heating and air conditioning system. What makes this reduction in current (and speed possible) is the three resistor coils that make up the blower resistor assembly.