Diag4 Bike Parallel Diagnostic System Adapter - 18/18 PIN Delphi Adapter

Diag4 Bike parallel diagnostic adapter with 18/18 pin Delphi connector for real-time monitoring of EFI module input and output signals on running engines. The breakout box inserts between the EFI module and motorcycle wiring harness, allowing full diagnostics while the engine operates normally.

Features

• Breakout box with labeled monitoring points for all EFI connector pins
• Measures input and output signals from fuel injection and other modules
• Operates on running engines without interrupting function
• 18/18 pin Delphi connector configuration

Specifications

• Brand: Diag4 Bike
• Manufacturer Part #: AT 531 4078
• Length: 11.5 in
• Width: 7.25 in
• Height: 2.25 in
• Weight: 1.55 lbs
• Country of Origin: Czech Republic

Fitment

Designed for parallel diagnostics on motorcycles with Delphi 18/18 pin EFI module connectors. Allows real-time signal measurement on fuel injection and other engine management modules.

Frequently Asked Questions

Can I use this while the engine is running?

Yes — the adapter is designed for live diagnostics on running engines. The breakout box sits between the EFI module and harness without interrupting normal operation.

What signals can I measure with this adapter?

Input and output signals from the EFI module and other electronic control modules. All connector pins are labeled on the breakout box.

Will this work on my bike's EFI system?

This adapter fits Delphi 18/18 pin connectors. Verify your motorcycle uses this connector type before ordering.

What's included in the box?

The wiring harness adapter and breakout box with labeled monitoring points for all EFI connector pins.