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1954-1964 Studebaker Taxi Brake Light Switch Guide

Understanding the simple but critical brake light switch on your classic Studebaker Taxi.

3 minutes to read 1954-1964 Studebaker Taxi
Difficulty
1/5
Est. Time
0.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$50-$100
🚫 Do not drive — Driving without functional brake lights is illegal and extremely dangerous for you and other drivers.
Key Takeaways
  • The 1954-1964 Studebaker Taxi uses a hydraulic pressure switch, not a modern mechanical pedal switch.
  • Symptoms include brake lights not working, staying on, or flickering.
  • Always check bulbs and fuses before replacing the switch.
  • Replacement is a simple DIY task; the Standard Ignition aftermarket part is a reliable choice but is not recommended for use with silicone brake fluid.
The brake light switch on your 1954-1964 Studebaker Taxi is a crucial safety part. Unlike modern cars with switches at the pedal, your Studebaker uses a hydraulic pressure switch. This switch is located on the master cylinder or a nearby brake line junction block on the vehicle's frame. When you press the brake pedal, the building fluid pressure activates the switch. This action closes an electrical circuit, sending power to the brake lights and signaling to other drivers that you are slowing down or stopping.

Symptoms of a Failing Brake Light Switch

On a straightforward vehicle like a vintage Studebaker, the signs of a bad brake light switch are usually clear. The electrical system is simple, making diagnosis easier. Before assuming the switch is bad, always check your brake light bulbs and the fuse first. These are common failure points and are easier to replace.

Brake Lights Do Not Turn On

This is the most common and dangerous symptom. If you have confirmed the bulbs and fuse are working, the switch is the next part to check. An internal failure can prevent the switch from completing the electrical circuit, leaving you without brake lights.

Brake Lights Stay On

If the switch fails in the "on" position, it will constantly send power to the brake lights. This can drain your battery when the car is parked and confuse other drivers on the road. This issue is sometimes caused by the switch sticking internally.

Flickering or Intermittent Brake Lights

A worn-out switch can cause the brake lights to flicker when you press the pedal or even when hitting bumps. 🎬 See a visual guide on common bad brake light switch symptoms. This indicates an unreliable internal connection that will likely fail completely soon.

Choosing the Right Aftermarket Switch

For a vehicle from this era, finding "New Old Stock" (NOS) or original equipment parts is extremely rare and often unnecessary for a simple part like this. The aftermarket is the standard source for these switches.

Brand Tier Brand(s) Quality & Notes
Standard Replacement Standard Ignition (SMP) Standard Motor Products is a well-known aftermarket manufacturer that has been around since 1919. They produce reliable, OE-quality replacement parts for a vast range of vehicles, including classics. Their switches use copper alloy conductors and are tested to ensure performance. For the Studebaker Taxi, the Standard Ignition switch is a dependable and affordable choice. Note: The manufacturer warns that their switch is not approved for use with silicone brake fluids. Some classic car owners report that silicone fluid can cause premature failure in hydraulic switches.
Warning: Some owners of classic cars, including Studebakers, have experienced repeated failures of hydraulic brake light switches, sometimes due to using modern silicone brake fluid. An alternative modification is to install a mechanical switch at the brake pedal, which is not dependent on hydraulic pressure and is unaffected by fluid type. However, this requires custom fabrication and wiring. 🎬 Watch how to install a mechanical brake light switch modification.

Frequently Asked Questions (FAQ)

Where is the brake light switch located on my Studebaker Taxi?

The brake light switch is a hydraulic pressure switch located outside the cabin. You will find it screwed into the master cylinder or a brake line junction block on the frame. It will have two wires connected to it.

How can I test my brake light switch?

After checking the bulbs and fuse, you can test the switch. Locate the switch on the master cylinder or frame and unplug the two wires. Use a short jumper wire to connect the two wire terminals together. If the brake lights turn on, the switch is bad and needs to be replaced. If they do not light up, the problem is elsewhere in the vehicle's wiring.

Is replacing the brake light switch a difficult DIY job?

No, this is a very easy job for most owners with basic tools. Simply unscrew the old switch and screw in the new one. To minimize brake fluid loss and air entering the system, have the new switch ready to install immediately after removing the old one. You may need to top off your brake fluid, and if too much air gets in, you might need to bleed the brakes.

Are there any recalls for the 1954-1964 Studebaker Taxi brake light switch?

No, there are no recalls found on the NHTSA database for this specific issue. Recalls were not as common or well-documented for vehicles of this vintage.

How to Install a Mechanical Brake Light Switch in a Classic Car
How to Install a Mechanical Brake Light Switch in a Classic Car
SYMPTOMS OF A BAD BRAKE LIGHT SWITCH
SYMPTOMS OF A BAD BRAKE LIGHT SWITCH

Technical Specifications

Type: Hydraulic Pressure Switch Terminals: 2 Voltage: 12V (also compatible with 6V systems) Thread: 1/8" NPT

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Meet Wrenchy → Updated Jul 21, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Brake Light Switch for:
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