How to install the headlight dimmer switch assembly and the steering wheel components on Toyota Tacoma?

The installation requires users to position the headlight dimmer switch assembly through its 2 clamps while following the illustrated steps before fastening it with the clamp and connecting the connector. Mount the windshield wiper switch assembly after it followed the spiral cable sub-assembly installation. Install the steering column upper cover immediately after which you should add the steering column lower cover. A proper alignment of the spiral cable needs to occur before you can install the steering wheel assembly. The horn button assembly must be checked at its center point before installation. Affix the cable to the negative battery terminal while applying torque at 3.9 Nm (40 kgf-cm, 35 in-lbf). Proceed with the inspection of SRS warning light after installing both No. 3 and No. 2 steering wheel lower covers.

How to remove the headlamp dimmer switch on Toyota Tacoma?

The first step to remove the headlamp dimmer switch requires cable disconnection from the negative battery terminal followed by at least 90 seconds of wait time to avoid the Air Bag deployment. Straighten the front wheels towards their normal direction. The sequence starts with removing the No. 2 steering wheel lower cover and continuing with the No. 3 steering wheel lower cover until you reach the step of removing the horn button assembly. The next step includes taking out the steering wheel followed by separate removal of the steering column lower cover and steering column upper cover. The next step involves taking away the spiral cable sub-assembly along with the windshield wiper switch assembly. Finish the process by unplugging the connector and then taking out the headlight dimmer switch assembly through the disengagement of 2 claws.

OEM Toyota Tacoma Dimmer Switch

Light Dimmer Switch

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15 Dimmer Switches found

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Toyota Tacoma Dimmer Switch
Part Number: 84140-0R020
$130.06 MSRP: $184.12
You Save: $54.06 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch
- Replaces: 84140-42150
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2023 Toyota Tacoma | Limited, SR, SR5, Trail, TRD Off-Road, TRD Pro, TRD Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Tacoma Dimmer Switch
Part Number: 84140-0R010
$146.86 MSRP: $207.90
You Save: $61.04 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2023 Toyota Tacoma | Limited, SR, SR5, Trail, TRD Off-Road, TRD Pro, TRD Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Tacoma Dimmer Switch
Part Number: 84140-04070
$114.34 MSRP: $160.49
You Save: $46.15 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2013-2015 Toyota Tacoma | Base, Pre Runner, TRD Pro, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota Tacoma Dimmer Switch
Part Number: 84140-04061
$140.75 MSRP: $199.25
You Save: $58.50 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2008 Toyota Tacoma | Base, Pre Runner, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
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Toyota Tacoma Dimmer Switch
Part Number: 84140-04040
$102.49 MSRP: $143.86
You Save: $41.37 (29%)
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Headlight Dimmer Switch; Multi Purpose Switch; Headlamp Dimmer Switch
- Replaces: 84140-04030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1995-1997 Toyota Tacoma | Base, SR5 | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota Tacoma Instrument Light Rheostat, Passenger Side
Part Number: 84119-04020
$158.73 MSRP: $224.70
You Save: $65.97 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2016 Toyota Tacoma | Base, Limited, Pre Runner, SR, SR5, TRD Off-Road, TRD Pro, TRD Sport, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 4.0 L GAS
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Toyota Tacoma Instrument Light Rheostat, Passenger Side
Part Number: 84119-03010
$179.40 MSRP: $256.14
You Save: $76.74 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
- Replaces: 84119-89106, 84119-32090, 84119-01020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1995-2004 Toyota Tacoma | Base, DLX, Limited, Pre Runner, SR5, S-Runner | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota Tacoma Dimmer Switch
Part Number: 84140-04050
$221.45 MSRP: $316.19
You Save: $94.74 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch; Combination Switch; Headlamp Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2001 Toyota Tacoma | Base, DLX, Limited, Pre Runner, SR5, S-Runner | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota Tacoma Dimmer Switch
Part Number: 84140-02020
$217.03 MSRP: $309.87
You Save: $92.84 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi-Function Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2004 Toyota Tacoma | Base, Pre Runner, S-Runner | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
View related parts
Toyota Tacoma Dimmer Switch
Part Number: 84140-0R030
$114.46 MSRP: $160.67
You Save: $46.21 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch
- Replaces: 84140-42160
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2023 Toyota Tacoma | Limited, SR, SR5, Trail, TRD Off-Road, TRD Pro, TRD Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Tacoma Dimmer Switch
Part Number: 84140-0E070
$118.43 MSRP: $167.65
You Save: $49.22 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2012 Toyota Tacoma | Base, Pre Runner, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
View related parts
Toyota Tacoma Dimmer Switch
Part Number: 84140-02840
$129.59 MSRP: $183.45
You Save: $53.86 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2021-2023 Toyota Tacoma | SR5, Trail, Trail Special Edition, TRD Off-Road, TRD Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
View related parts
Toyota Tacoma Dimmer Switch
Part Number: 84140-02660
$147.57 MSRP: $208.90
You Save: $61.33 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2009-2012 Toyota Tacoma | Base, Pre Runner, X-Runner | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
View related parts
Toyota Tacoma Instrument Light Rheostat, Passenger Side
Part Number: 84119-35020
Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1995-1997 Toyota Tacoma | Base, SR5 | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
View related parts
Toyota Tacoma Instrument Light Rheostat, Passenger Side
Part Number: 84119-35010
Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
- Replaces: 84119-04010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1995-2004 Toyota Tacoma | Base, DLX, Limited, Pre Runner, SR5, S-Runner | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS

Toyota Tacoma Dimmer Switch

Choose genuine Dimmer Switch that pass strict quality control tests. You can trust the top quality and lasting durability. Shopping for OEM Dimmer Switch for your Toyota Tacoma? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Tacoma parts. The price is affordable so you can save more. It only takes minutes to browse and find the exact fit. Easily add to cart and check out fast. Our hassle-free return policy will keep you stress-free. We process orders quickly for swift delivery. Your parts will arrive faster, so you can get back on the road sooner.

Toyota Tacoma Dimmer Switch Parts and Q&A

Instrument Light Rheostat, Passenger Side
84119-04020
Q: How to install the headlight dimmer switch assembly and the steering wheel components on Toyota Tacoma?
A:
The installation requires users to position the headlight dimmer switch assembly through its 2 clamps while following the illustrated steps before fastening it with the clamp and connecting the connector. Mount the windshield Wiper Switch assembly after it followed the spiral cable sub-assembly installation. Install the steering column upper cover immediately after which you should add the steering column lower cover. A proper alignment of the spiral cable needs to occur before you can install the Steering Wheel assembly. The horn button assembly must be checked at its center point before installation. Affix the cable to the negative battery terminal while applying torque at 3.9 Nm (40 kgf-cm, 35 in-lbf). Proceed with the inspection of SRS warning light after installing both No. 3 and No. 2 steering wheel lower covers.
Dimmer Switch
84140-04061
Q: How to remove the headlamp dimmer switch on Toyota Tacoma?
A:
The first step to remove the headlamp dimmer switch requires cable disconnection from the negative battery terminal followed by at least 90 seconds of wait time to avoid the Air Bag deployment. Straighten the front wheels towards their normal direction. The sequence starts with removing the No. 2 Steering Wheel lower cover and continuing with the No. 3 steering wheel lower cover until you reach the step of removing the horn button assembly. The next step includes taking out the steering wheel followed by separate removal of the steering column lower cover and steering column upper cover. The next step involves taking away the spiral cable sub-assembly along with the windshield Wiper Switch assembly. Finish the process by unplugging the connector and then taking out the headlight dimmer switch assembly through the disengagement of 2 claws.