Brantz BR-4 (European) M18 x 1.5 Gearbox Sensor

The Brantz Ford / EU Gearbox Sensor is designed to fit inline between the gearbox and speedometer cable on a wide range of European vehicles.

Compatible with many popular applications including GM, Vauxhall, Volvo, VW, Skoda, Lada, Fiat, and selected Ford models, this sensor provides a reliable and accurate speed signal for your Brantz tripmeter.

Compact, robust, and easy to install, it’s a proven solution for rally, race, and road use.

Specifications

• Compatible with all Brantz tripmeters and Retrotrips
• Gearbox thread: M18 x 1.5mm
• Cable length: ~1.5m
• Output: 4 pulses per revolution
• Drive type: 2.7mm square drive pin
• Weight: 118g

How It Works

The sensor fits between your gearbox output and speedo cable, converting mechanical rotation into an electronic signal.

• Gearbox rotation drives the sensor
• The sensor generates electronic pulses
• These pulses are sent to your Brantz tripmeter
• The tripmeter calculates speed and distance in real time

Simple, accurate, and designed for dependable performance in motorsport conditions.

Installation

1. Locate the gearbox speedo output
2. Remove the existing speedo cable
3. Install the sensor onto the gearbox output (M18 x 1.5mm thread)
4. Reconnect the speedo cable to the rear of the sensor
5. Route the sensor cable into the cabin and connect to your Brantz unit
6. Secure all wiring away from heat and moving components

Key Benefits

• Wide compatibility across European vehicles
• Direct inline fitment—no complex installation
• Reliable and consistent signal output
• Durable construction for motorsport use
• Ideal for rally, race, and road applications

A straightforward, dependable way to convert your gearbox drive into an accurate digital signal—keeping your Brantz system performing exactly as it should.