How to disconnect and refit the Brake Light Switches on the pedal bracket on Audi 90?

Working inside the car, disconnect the wiring from the stop-light switch on the pedal bracket. Pull the switch from the special clip, and if necessary, remove the shim and the special clip. Refitting is a reversal of removal, but adjust the switch by depressing the brake pedal and holding it down, then fully pressing in the switch through the special clip. Finally, pull up the brake pedal to its stop by hand.

How should the rear brake light switches be installed for a secure fit on Audi A4?

To ensure that the brake light switch fits safely, the manufacturer suggests that the brake light switch should not be fitted twice. Starting with the knee bolster of the driver side removed. Then unscrew the electrical connector of brake light switch. Turn the switch about 45 degrees in the opposite direction and ensure that it comes out of the bracket. Pull the plunger on the switch out completely before instalation. When the brake pedal is completely released install the switch into its bracket with the opposite of the removal procedure which is to install the switch correctly, and the switch will self-adjust. Once that is done, attach the electrical connector and ensure that the brake lights are functioning well. Lastly, change the knee bolster.

Genuine Audi Brake Light Switches

Stop Light Switches

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10 Brake Light Switches found

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Audi Stoplamp Switch Part Number: 8E0-945-515
$41.14 MSRP: $68.00
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Product Specifications
- Other Name: Switch
Fits the following Audi Models:
- A4 | 2003 | Base | 4 Cyl 1.8 L GAS, 6 Cyl 3.0 L GAS
- A4 Quattro | 2003 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 3.0 L GAS
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Audi Parking Brake Warning Switch Part Number: 175-947-561
$24.41 MSRP: $39.05
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Product Specifications
- Other Name: Switch
Fits the following Audi Models:
- 4000 | 1984-1985 | S | 4 Cyl 1.8 L GAS
- 4000 Quattro | 1984-1985 | S | 5 Cyl 2.2 L GAS
- 5000 | 1984-1985 | CS Turbo, S, S Turbo | 5 Cyl 2.2 L GAS
- Coupe | 1984-1985 | Base | 5 Cyl 2.2 L GAS
- Quattro | 1984-1985 | Base | 5 Cyl 2.2 L GAS
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Audi Parking Brake Warning Switch Part Number: 7L0-947-561
$17.58 MSRP: $28.12
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Product Specifications
- Other Name: Switch
Fits the following Audi Models:
- Q7 | 2007-2015 | Base, Premium, Premium Plus, Prestige, TDI, TDI Premium, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
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Audi Parking Brake Warning Switch Part Number: 443-947-563
$20.00 MSRP: $32.00
You Save: $12.00 (38%)
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Product Specifications
- Other Name: Switch
Fits the following Audi Models:
- 4000 | 1986-1987 | S | 4 Cyl 1.8 L GAS
- 4000 Quattro | 1986-1987 | CS | 5 Cyl 2.2 L GAS
- 5000 | 1986-1988 | CS, S | 5 Cyl 2.2 L GAS, 5 Cyl 2.3 L GAS
- 5000 Quattro | 1986-1988 | CS, S | 5 Cyl 2.2 L GAS, 5 Cyl 2.3 L GAS
- 90 | 1995 | Base, Sport | 6 Cyl 2.8 L GAS
- 90 Quattro | 1995 | Base, Sport | 6 Cyl 2.8 L GAS
- A6 | 1995 | Avant, Base | 6 Cyl 2.8 L GAS
- A6 Quattro | 1995 | Avant, Base | 6 Cyl 2.8 L GAS
- Cabriolet | 1995-1998 | Base | 6 Cyl 2.8 L GAS
- Coupe | 1986-1987 | GT | 5 Cyl 2.2 L GAS
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Audi Parking Brake Warning Switch Part Number: 4D0-947-563
$20.00 MSRP: $32.00
You Save: $12.00 (38%)
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Product Specifications
- Other Name: Switch
Fits the following Audi Models:
- A8 | 1997-1999 | Base | 8 Cyl 3.7 L GAS
- A8 Quattro | 1997-2003 | Base, L | 8 Cyl 4.2 L GAS
- S8 | 2001-2003 | Base | 8 Cyl 4.2 L GAS
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Audi Stoplamp Switch Part Number: 6Q0-945-511
$31.76 MSRP: $50.82
You Save: $19.06 (38%)
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Product Specifications
- Other Name: Switch
Fits the following Audi Models:
- R8 | 2014-2015, 2008-2012 | Base, GT, GT Spyder, Plus, Spyder | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
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Audi Stoplamp Switch Part Number: 113-945-515-G
$77.23 MSRP: $108.17
You Save: $30.94 (29%)
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Product Specifications
- Other Name: Switch
Fits the following Audi Models:
- 5000 | 1984-1988 | S | 5 Cyl 2.2 L GAS, 5 Cyl 2.3 L GAS
- 5000 Quattro | 1987-1988 | S | 5 Cyl 2.3 L GAS
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Audi Stoplamp Switch Part Number: 1K2-945-511-RDW
$24.83 MSRP: $39.72
You Save: $14.89 (38%)
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Product Specifications
- Other Name: Switch
- Replaces: 1K2-945-511-NAR
Fits the following Audi Models:
- A4 | 2008-2009, 2003-2006 | Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A4 Quattro | 2008-2009, 2004-2006 | Avant, Base, Cabriolet | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A6 | 2008 | Base | 6 Cyl 3.2 L GAS
- A6 Quattro | 2008 | Avant, Base | 6 Cyl 3.2 L GAS, 8 Cyl 4.2 L GAS
- R8 | 2008 | Base | 8 Cyl 4.2 L GAS
- RS4 | 2008 | Base, Cabriolet | 8 Cyl 4.2 L GAS
- S4 | 2008-2009, 2005-2006 | Avant, Base, Cabriolet | 8 Cyl 4.2 L GAS
- S6 | 2008 | Base | 10 Cyl 5.2 L GAS
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Audi Stoplamp Switch Part Number: 3B0-945-511-B
$13.09 MSRP: $17.45
You Save: $4.36 (25%)
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Product Specifications
- Other Name: Switch
- Replaces: 3B0-945-511-A, 3B0-945-511, 3B0-945-511-D
Fits the following Audi Models:
- A4 | 2003-2005 | Base | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS
- A4 Quattro | 2003-2005 | Avant, Base | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A6 | 2006-2007, 2003-2004 | Base | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A6 Quattro | 2003-2007 | Avant, Base | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS, 8 Cyl 4.2 L GAS
- A8 Quattro | 2005 | L | 12 Cyl 6.0 L GAS
- Allroad Quattro | 2003-2005 | Base | 6 Cyl 2.7 L GAS, 8 Cyl 4.2 L GAS
- S4 | 2004-2005 | Avant, Base, Cabriolet | 8 Cyl 4.2 L GAS
- S6 | 2007, 2003 | Avant, Base | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
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Audi Stoplamp Switch Part Number: 1J0-945-511-E
$0.77 MSRP: $1.00
You Save: $0.23 (23%)
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Product Specifications
- Other Name: Switch
- Replaces: 1J0-945-511-F, 1J0-945-511-B, 1J0-945-511-C, 1J0-945-511-D
Fits the following Audi Models:
- TT | 2000-2006 | Base | 4 Cyl 1.8 L GAS
- TT Quattro | 2000-2006 | ALMS Edition, Base, Special Edition | 4 Cyl 1.8 L GAS, 6 Cyl 3.2 L GAS

Audi Brake Light Switches

Audi Brake Light Switches instantly light up the rear lamps the moment the pedal moves, warning traffic behind and keeping every journey safer. A brand that was born from a legacy of innovation dating back to 1909, Audi made its name on sporty sedans, capable SUVs, Quattro all-wheel drive and cutting-edge Virtual Cockpit displays that make driving feel intuitive and fun. The company is also a pioneer in the field of e-tron electric models and tests autonomous prototypes to demonstrate how Audi is always pushing the envelope on technology while still prioritizing mechanical reliability. Since Audi believes in the reliability of its Brake Light Switches, the same responsive configuration is applied for all powertrains, from gasoline to electric. These qualities are reflected in the simple yet clever design of its Brake Light Switches that use a direct push pin and spring to close an electrical circuit without delay, avoiding lag that could cause rear-end collisions. Positioned close to the brake pedal arm, the switch remains protected, requires very little maintenance and also works flawlessly across the entire Audi range, regardless of the body style or powertrain in use. Drivers benefit as the component is compact, affordable and easy to monitor so a quick glance at pedal alignment can confirm lights will flash exactly when needed. Just as Quattro improves grip on slick roads, the reliable action of the Brake Light Switches improves visibility to support the brand's broader commitment to safety, performance and everyday confidence.

Stick with genuine OEM Brake Light Switches when you need quality that holds up. Audi crafts these parts to hit strict factory specs for every single unit. They also run each part through rigorous checks during production to maintain high quality. You can find exact Audi Brake Light Switches you need in our huge stock at AudiPartsGiant.com. You'll love our low, economical prices too. Every OEM part carries a real manufacturer's warranty, so you can buy with confidence. Returns aren't a headache here because our policy is simple. Plus, our speedy delivery gets orders out fast. Shop today and buy with total peace of mind.

Audi Brake Light Switches Parts and Q&A

Parking Brake Warning Switch
443-947-563
Q: How to disconnect and refit the Brake Light Switches on the pedal bracket on Audi 90?
A:
Working inside the car, disconnect the wiring from the stop-light switch on the pedal bracket. Pull the switch from the special clip, and if necessary, remove the shim and the special clip. Refitting is a reversal of removal, but adjust the switch by depressing the brake pedal and holding it down, then fully pressing in the switch through the special clip. Finally, pull up the brake pedal to its stop by hand.
Stoplamp Switch
1K2-945-511-RDW
Q: How should the rear brake light switches be installed for a secure fit on Audi A4?
A:
To ensure that the brake light switch fits safely, the manufacturer suggests that the brake light switch should not be fitted twice. Starting with the knee bolster of the driver side removed. Then unscrew the electrical connector of brake light switch. Turn the switch about 45 degrees in the opposite direction and ensure that it comes out of the bracket. Pull the plunger on the switch out completely before instalation. When the brake pedal is completely released install the switch into its bracket with the opposite of the removal procedure which is to install the switch correctly, and the switch will self-adjust. Once that is done, attach the electrical connector and ensure that the brake lights are functioning well. Lastly, change the knee bolster.