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

Install headlight dimmer switch: engage two claws, secure with clamp, connect connector. Install wiper switch, spiral cable. Fit column covers. Center spiral cable; install steering wheel. Inspect wheel center and horn button; install horn. Torque battery negative cable to 3.9 Nm. Check SRS light; install No. 3/No. 2 lower covers.

How to remove the headlamp dimmer switch on Toyota Tacoma?

To remove the headlamp dimmer switch, disconnect the negative battery terminal and wait 90 seconds. Ensure the front wheels are straight, then remove the steering wheel lower covers, horn button assembly, and steering wheel. Detach the steering column covers, spiral cable, wiper switch, and finally the dimmer switch assembly.

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
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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
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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
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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

If you're thinking about purchasing OEM parts for your Toyota Tacoma, our website is your one-stop destination. We stock an extensive selection of genuine Toyota Tacoma Dimmer Switch at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.

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: Install headlight dimmer switch: engage two claws, secure with clamp, connect connector. Install Wiper Switch, spiral cable. Fit column covers. Center spiral cable; install Steering Wheel. Inspect wheel center and horn button; install horn. Torque battery negative cable to 3.9 Nm. Check SRS light; install No. 3/No. 2 lower covers.
Dimmer Switch
84140-02660
Q: How to remove the headlamp dimmer switch on Toyota Tacoma?
A: To remove the headlamp dimmer switch, disconnect the negative battery terminal and wait 90 seconds. Ensure the front wheels are straight, then remove the Steering Wheel lower covers, horn button assembly, and steering wheel. Detach the steering column covers, spiral cable, Wiper Switch, and finally the dimmer switch assembly.