How to install the headlight dimmer switch assembly and complete the steering column assembly process on Toyota Prius?

The first step to install the headlight dimmer switch assembly involves inserting it correctly while its recessed section matches the steering column shaft approximately before tightening it with the band clamp and claw installation and hooking up the electrical connectors. The wiper and washer switch assembly installation should follow the spiral cable sub-assembly installation. Then you can put on the steering column cover as you set the spiral cable sub-assembly. After center point examination of the steering wheel you should install both the steering wheel assembly and steering pad assembly. Set in order the No. 3 steering wheel cover lower and the No. 2 steering wheel cover lower. The negative cable installation is followed by tests of the steering pad assembly and examination of the SRS warning indicator. Execute initialization steps since some systems need this process after disconnecting then reconnecting the cable from the negative (-) terminal.

How to remove the headlight dimmer switch on Toyota Prius?

The first step to remove the headlight dimmer switch involves disconnecting the negative battery cable followed by a 90-second delay for Air Bag and seat belt pretensioner safety. You will start by taking off both No. 2 and No. 3 steering wheel covers before moving on to the steering pad assembly. You need to remove next the steering wheel assembly together with the steering column cover. After disconnecting you can proceed with the removal of both the spiral cable sub-assembly and the wiper and washer switch assembly. To complete this task disconnect all headlight dimmer switch connectors and remove the band clamp and claws before taking out the headlight dimmer switch.

OEM Toyota Prius Dimmer Switch

Light Dimmer Switch

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19 Dimmer Switches found

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Toyota Prius Dimmer Switch
Part Number: 84140-52220
$163.08 MSRP: $230.86
You Save: $67.78 (30%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch; Headlamp Dimmer Switch
- Replaced by: 84140-47140
- Replaces: 84140-47061, 84140-12890, 84140-47060
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2007 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius 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:
- 2004-2007 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-06010
$217.73 MSRP: $310.87
You Save: $93.14 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch; Signal Switch
- Replaces: 84140-44010, 84140-26140
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-47140
$163.08 MSRP: $230.86
You Save: $67.78 (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; Headlamp Dimmer Switch
- Replaces: 84140-12720, 84140-12680
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2011 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-33202
$171.30 MSRP: $242.50
You Save: $71.20 (30%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch; Headlamp Dimmer Switch
- Replaces: 84140-33200, 84140-33201
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2012-2015 Toyota Prius | Five, Four, One, Persona Series, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Instrument Light Rheostat, Passenger Side
Part Number: 84119-52030
$170.48 MSRP: $241.33
You Save: $70.85 (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:
- 2006-2009 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-0R030
$114.46 MSRP: $160.67
You Save: $46.21 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch
- Replaces: 84140-42160
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 2020 Edition, Four, Four Touring, L Eco, LE, Limited, One, Three, Three Touring, Two, Two Eco, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-07141
$163.08 MSRP: $230.86
You Save: $67.78 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch; Headlamp Dimmer Switch; Signal Switch
- Replaces: 84140-48130
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2009, 2005 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Instrument Light Rheostat, Passenger Side
Part Number: 84119-47010
$146.42 MSRP: $207.28
You Save: $60.86 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rheostat, Light Control; Rheostat
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-0E012
$259.67 MSRP: $370.75
You Save: $111.08 (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; Signal Switch
- Replaces: 84140-0E011, 84140-0E010, 84140-48050
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Instrument Light Rheostat
Part Number: 84152-V2010
$98.50 MSRP: $138.26
You Save: $39.76 (29%)
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Product Specifications
- Other Name: Switch, Headlamp Leveling
- Manufacturer Note: KOREA SPEC
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2023 Toyota Prius | LE, Limited, XLE | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Headlamp Switch
Part Number: 84140-62020
$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; Multifunction Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 2020 Edition, Four, Four Touring, L Eco, LE, Limited, One, Three, Three Touring, Two, Two Eco, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-47151
$137.82 MSRP: $195.10
You Save: $57.28 (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; Multifunction Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2012-2015 Toyota Prius | Five, Four, One, Persona Series, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-47130
$146.98 MSRP: $208.07
You Save: $61.09 (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; Headlamp Dimmer Switch
- Replaces: 84140-47081, 84140-47080
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2011 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-47120
$118.33 MSRP: $167.51
You Save: $49.18 (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; Multifunction Switch; Headlamp Dimmer Switch
- Replaces: 84140-47070, 84140-47071
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2005 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Turn Signal Switch
Part Number: 84140-42140
$146.39 MSRP: $207.24
You Save: $60.85 (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; Multifunction Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 2020 Edition, Four, Four Touring, L Eco, LE, Limited, One, Three, Three Touring, Two, Two Eco, XLE | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch
Part Number: 84140-33211
$130.30 MSRP: $184.45
You Save: $54.15 (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; Multifunction Switch; Headlamp Dimmer Switch
- Replaces: 84140-33210
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2012-2015 Toyota Prius | Five, Four, One, Persona Series, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Dimmer Switch, Passenger Side
Part Number: 84119-42021
$97.99 MSRP: $137.54
You Save: $39.55 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Instrument Light Rheostat; Rheostat
- Manufacturer Note: KOREA SPEC
- Position: Passenger Side
- Replaces: 84119-42020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | Base, Five, Four, One, Persona Series, Three, Two | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
View related parts
Toyota Prius Instrument Light Rheostat, Passenger Side
Part Number: 84119-47020
$189.66 MSRP: $270.80
You Save: $81.14 (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
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2006 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)

Toyota Prius 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 Prius? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Prius 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.

As a vital component the car Dimmer Switch improves the reliability along with the performance capabilities of all Toyota Prius models. The Dimmer Switch excels at controlling interior illumination brightness as well as low/high beam transitions and therefore improves both driving comfort and security conditions. The dimmer functionality serves as an essential aspect that enables safe driving in different conditions which explains why Toyota Prius stands as an environmentally friendly choice for drivers. The Dimmer Switch works for numerous Prius models as Toyota demonstrates its dedication to efficient product development through innovation-based design choices. The product provides convenient control over lighting levels that provide both safer driving conditions and higher driving quality. The special characteristics of Toyota Prius Dimmer Switch include the intuitive design interface and durable construction which match Toyota's reputation for dependable performance. The inclusion of this Dimmer Switch in Prius vehicles demonstrates Toyota's advancement toward developing environmentally sustainable vehicles which maintain superior functionality. Although the manufacturer Prius continues to transform its model lineup the Dimmer Switch stands out as a feature that demonstrates the brand's dedication to both safety standards and driver experiences alongside efficiency requirements. The car Dimmer Switch proves its worth by enhancing the entire the automaker model experience in the automotive market.

Toyota Prius Dimmer Switch Parts and Q&A

Dimmer Switch
84140-47140
Q: How to install the headlight dimmer switch assembly and complete the steering column assembly process on Toyota Prius?
A:
The first step to install the headlight dimmer switch assembly involves inserting it correctly while its recessed section matches the steering column shaft approximately before tightening it with the band clamp and claw installation and hooking up the electrical connectors. The wiper and washer switch assembly installation should follow the spiral cable sub-assembly installation. Then you can put on the steering column cover as you set the spiral cable sub-assembly. After center point examination of the Steering Wheel you should install both the steering wheel assembly and steering pad assembly. Set in order the No. 3 steering wheel cover lower and the No. 2 steering wheel cover lower. The negative cable installation is followed by tests of the steering pad assembly and examination of the SRS warning indicator. Execute initialization steps since some systems need this process after disconnecting then reconnecting the cable from the negative (-) terminal.
Instrument Light Rheostat, Passenger Side
84119-52030
Q: How to remove the headlight dimmer switch on Toyota Prius?
A:
The first step to remove the headlight dimmer switch involves disconnecting the negative battery cable followed by a 90-second delay for Air Bag and seat belt pretensioner safety. You will start by taking off both No. 2 and No. 3 Steering Wheel covers before moving on to the steering pad assembly. You need to remove next the steering wheel assembly together with the steering column cover. After disconnecting you can proceed with the removal of both the spiral cable sub-assembly and the wiper and washer switch assembly. To complete this task disconnect all headlight dimmer switch connectors and remove the band clamp and claws before taking out the headlight dimmer switch.

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