How to replace the blower control switches on GMC C3500?

First, take out the IP cluster bezel and then unclip the control assembly by using a small screwdriver. First, cut the electrical cord and then, if you have the assembly on your machine, remove the cables by pressing the buttons that secure them. With the engine running, next move the engine back to TDC and remove the blower switch rotary knob, the retaining clip from the shaft and then finally the blower switch. Installation starts with arranging the blower switch and fixing it with the retaining clip and then adding the blower switch rotary knob. Connect the wires going from the compressor to the control assembly and reattach the electrical wires. Return the control assembly to its place, replace the instrument panel trim plate and make sure all operations are working properly.

OEM GMC C3500 Blower Control Switches

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32 Blower Control Switches found

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GMC C3500 Blower Motor Switch
Part Number: 16182145
$60.30 MSRP: $112.52
You Save: $52.22 (47%)
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Product Specifications
- Other Name: Control Assembly, Auxiliary Blower; Blower Control Switch; Switch, A/C Electric Temperature And Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1996 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Temperature Control
Part Number: 16182125
$63.00 MSRP: $117.56
You Save: $54.56 (47%)
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Auxiliary Blower; Blower Control Switch; Blower Motor Switch; Switch, A/C Electric Temperature And Motor Control
- Replaces: 16142245
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1996 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Temperature Control
Part Number: 16195485
$96.18 MSRP: $179.47
You Save: $83.29 (47%)
ADD TO CART
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Control Unit; Control, A/C Instrument Panel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1994 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Control Unit
Part Number: 16195495
$101.44 MSRP: $189.28
You Save: $87.84 (47%)
ADD TO CART
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Control, A/C Instrument Panel
- Replaces: 16169555
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1994 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Heater Control
Part Number: 16233143
Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module; Blower Control Switch; Control Assembly; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 16177625
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Blower Motor Switch
Part Number: 16015256
Product Specifications
- Other Name: Switch, Air Conditioner Electric Temperature And Motor Control; Climate Control Module; Blower Control Switch; Switch, A/C Electric Temperature And Motor Control; Switch, Heater Control; Switch, Heater
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Control Unit
Part Number: 16148660
Product Specifications
- Other Name: Switch, Air Conditioner Electric Temperature And Motor Control; Blower Control Switch; Blower Motor Switch; Switch, A/C Electric Temperature And Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Control Unit
Part Number: 16181175
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Control, A/C Instrument Panel
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Heater Control
Part Number: 9378815
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Heater Control
Part Number: 9378805
Product Specifications
- Other Name: Control, Heater & A/C (W/Rear Window Defogger Switch); Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel; Control, Rear Window Defogger
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Dash Control Unit
Part Number: 16233142
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Control, A/C Instrument Panel
- Position: Rear
- Replaces: 16177505
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Blower Motor Switch
Part Number: 16209345
Product Specifications
- Other Name: Switch, Air Conditioner Electric Temperature And Motor Control; Blower Control Switch; Switch, A/C Electric Temperature And Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Blower Motor Switch
Part Number: 16148673
Product Specifications
- Other Name: Switch Assembly, Rotary Select; Blower Control Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1996 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Blower Motor Switch
Part Number: 370809
Product Specifications
- Other Name: Switch Assembly-Auxiliary A/C Blower; Climate Control Module; Blower Control Switch; Switch, A/C Electric Temperature And Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Control Unit
Part Number: 15645349
Product Specifications
- Other Name: Switch Assembly-Auxiliary Heater; Switch, Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1994 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Blower Motor Switch
Part Number: 16147657
Product Specifications
- Other Name: Switch, Air Conditioner Electric Temperature And Motor Control; Climate Control Module; Blower Control Switch; Switch, A/C Electric Temperature And Motor Control; Switch, Heater Control
- Replaces: 16264109
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Blower Motor Switch
Part Number: 9349679
Product Specifications
- Other Name: Blower Control S; Climate Control Module; Blower Control Switch; Switch, Electrical Switches
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Temperature Control
Part Number: 16209335
Product Specifications
- Other Name: Switch, Air Conditioner Electric Temperature And Motor Control; Blower Control Switch; Blower Motor Switch; Switch, A/C Electric Temperature And Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Dash Control Unit, Rear
Part Number: 16233144
Product Specifications
- Other Name: Control Assembly, Heater (W/Rear Window Defogger Switch); Climate Control Module
- Position: Rear
- Replaces: 16177635
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1996 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Temperature Control
Part Number: 16181185
Product Specifications
- Other Name: Control, Auxiliary Heater & A/C; Climate Control Module; Control Unit; Heater & A/C Control; Control, A/C Instrument Panel; Control, Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS

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GMC C3500 Blower Control Switches

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GMC C3500 Blower Control Switches Parts Questions & Experts Answers

Control Unit
16181175
Q: How to replace the blower control switches on GMC C3500?
A: First, take out the IP cluster bezel and then unclip the control assembly by using a small screwdriver. First, cut the electrical cord and then, if you have the assembly on your machine, remove the cables by pressing the buttons that secure them. With the engine running, next move the engine back to TDC and remove the blower switch rotary knob, the retaining clip from the shaft and then finally the blower switch. Installation starts with arranging the blower switch and fixing it with the retaining clip and then adding the blower switch rotary knob. Connect the wires going from the compressor to the control assembly and reattach the electrical wires. Return the control assembly to its place, replace the instrument panel trim plate and make sure all operations are working properly.

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