EV1 / OBD1 Honda Fuel Injector Connector Kit – Junior Timer Style (Set of 4)

EV1 / Jetronic Injector Connector Kit with Boots – Professional Harness Grade

The EV1 / OBD1 Honda Fuel Injector Connector Kit is a professional-grade solution for classic Bosch Jetronic-style injectors and OBD1 Honda applications. This connector style is widely used across Honda, Toyota, GM, DSM, and other EFI platforms utilizing the traditional EV1 / Junior Timer interface.

Each kit includes connector housings, terminals, seals, and protective boots, making it ideal for injector upgrades, harness repair, or complete custom engine harness fabrication.

Built for serious wiring projects, this connector set ensures reliable injector signal delivery in street, turbo, and motorsport applications.

Compatible with EV1 / Jetronic Injector Styles

This connector style is commonly used with:

• OBD1 Honda fuel injectors

• Bosch EV1 / Jetronic injectors

• Many aftermarket turbo injectors

• DSM injector applications

• GM TPI / LT1 / LS early injector styles

• Select Toyota ECT and 2-pin Junior Timer sensor applications

Frequently used on:

• Honda B-Series, D-Series, H-Series, F-Series (OBD1)

• Turbo Honda builds

• Standalone ECU applications

• Classic EFI conversions

If your injector uses the traditional rectangular EV1 / Jetronic plug, this is the correct connector type.

Designed for Motorsport & Custom Harness Builds

These connectors accept 22–20 AWG terminals and include milspec wire-gauge-matched seals, ensuring proper environmental sealing and long-term durability.

Each connector in this kit also includes a protective boot, providing strain relief and a clean professional finish for exposed injector wiring in performance engine bays.

Ideal for:

• Custom engine harness fabrication

• Injector conversions

• Standalone ECU installs

• Turbo and high-horsepower applications

• Professional motorsport wiring

Available Configurations

This product can be selected as:

• Set of 4 Injector Connectors (standard for 4-cylinder engines)

• Single Injector Connector

Boots are included with each connector.

What’s Included (Set of 4 Option)

• 4× EV1 / Junior Timer Injector Connector Housings

• 8× Terminals (22–20 AWG compatible)

• 4× Wire Seals

• 4× Protective Boots

Single option includes components for one injector.

Installation Notes

Proper open-barrel crimping tools are required for correct terminal installation. Professional wiring knowledge is recommended to ensure correct injector polarity and long-term reliability.

Incorrect injector wiring may result in misfires, lean conditions, or ECU faults.