GMC K3500 Blower Motor Relay Replacement at your home or office.

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Blower Motor Relay Replacement Service

How much does a Blower Motor Relay Replacement cost?

On average, the cost for a GMC K3500 Blower Motor Relay Replacement is $125 with $30 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1989 GMC K3500V8-6.2L DieselService typeBlower Motor Relay ReplacementEstimate$174.95Shop/Dealer Price$199.94 - $252.41
1993 GMC K3500V8-5.7LService typeBlower Motor Relay ReplacementEstimate$182.03Shop/Dealer Price$213.81 - $286.60
1990 GMC K3500V8-5.7LService typeBlower Motor Relay ReplacementEstimate$154.95Shop/Dealer Price$179.96 - $232.44
1984 GMC K3500L6-4.8LService typeBlower Motor Relay ReplacementEstimate$254.97Shop/Dealer Price$304.96 - $432.44
1994 GMC K3500V8-5.7LService typeBlower Motor Relay ReplacementEstimate$182.03Shop/Dealer Price$213.82 - $286.63
1995 GMC K3500V8-7.4LService typeBlower Motor Relay ReplacementEstimate$154.95Shop/Dealer Price$179.96 - $232.44
1980 GMC K3500V8-7.4LService typeBlower Motor Relay ReplacementEstimate$259.97Shop/Dealer Price$309.85 - $437.24
1984 GMC K3500V8-7.4LService typeBlower Motor Relay ReplacementEstimate$259.97Shop/Dealer Price$310.22 - $437.90
Show example GMC K3500 Blower Motor Relay Replacement prices

What is the Blower Motor Relay all about?

Most of your car’s accessories require a relay in order to operate – your headlights, the cooling fan on the radiator, etc. This includes the blower motor that pushes conditioned air out of the vents and into the cabin of the car. Your vehicle will have at least one blower motor relay. If you have more than one blower motor in the vehicle, such as with a rear air conditioning system, each separate system will have its own relay in place.

Think of the relay like a controller – it determines whether the system operates or not when you turn the switch. If the blower motor relay fails, you’ll have no fan functionality in most instances, although some systems provide control of the “high” fan setting to the fan switch itself, rather than the relay (note that this varies considerably from one vehicle to another).

Over time and through normal use, the blower motor relay may degrade and fail. When it does, you’ll need to replace it in order to enjoy proper airflow in the car.

Keep in mind:

  • The blower motor relay is not inspected during any maintenance service.
  • The blower motor relay is generally located in the under-hood fuse box or in the under-dash fuse box.
  • A blown fuse can mimic relay failure.
  • A failed blower motor switch can also give many of the same symptoms.

How it's done:

  • The Blower Motor Relay is verified that it needs to be replaced. The blower motor relay is located by the blower motor or in the relay panel.

  • The defective Blower Motor Relay is disconnected or the relay is pulled out of the socket.

  • The socket or connection is checked for damage. If there is no damage the new Blower Motor Relay is installed.

  • The Blower Motor Relay is tested for operation by turning on the blower.

  • The vehicle is tested to ensure proper operation of the Blower Motor Relay by running the blower at all speeds.

Our recommendation:

It is essential that you have an operational blower motor as it makes driving more comfortable and enables you to keep foggy windows clear. Over time, the relay can degrade. If your blower motor isn’t functioning correctly, have the problem diagnosed by one of our expert mechanics and replace the blower motor relay if necessary.

What common symptoms indicate you may need to replace the Blower Motor Relay?

  • Blower motor does not work on high speed
  • Fan does not work at all

How important is this service?

While your air conditioner and heater are technically accessories and not critical to vehicle operation, they are important. If you’re experiencing any problem with the blower motor, have it diagnosed and repaired by one of our expert mechanics.

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Francisco

10 years of experience
174 reviews
Francisco
10 years of experience
GMC K3500 V8-6.5L Turbo Diesel - Battery - Portland, Oregon
Francisco was great. Not a super complicated service this time, but he was very thorough and helpful. Thanks

Alex

20 years of experience
141 reviews
Alex
20 years of experience
GMC K3500 V8-7.4L - Starter - Glen Ellyn, Illinois
Extremely professional and well versed in auto mechanics. Explained things simply and was able answer my questions clearly

Theodore

16 years of experience
1638 reviews
Theodore
16 years of experience
GMC K3500 L6-4.8L - Battery - Bellevue, Washington
Hes awesome, super helpful every time!

TJ

26 years of experience
362 reviews
TJ
26 years of experience
GMC Envoy L6-4.2L - Blower Motor Relay - Port Charlotte, Florida
TH was great! On time, honest, friendly and explained his process every step of the way. I will definitely recommend him!

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Number of GMC Blower Motor Relay Replacement services completed
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