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Motorcycle
PARALLEL DIAGNOSTIC SYSTEM 3X18 PIN ADAPTER
$749.95
In stock · stock as of Sep 16, 2026
Shipping calculated at checkout
30-day returns on unused parts
Details
Parallel diagnostics are designed for measuring input and output signals from the electronic fuel injection module (EFI) and other modules. Measurements can be made on running engines. The system consists of a wiring harness adapter and breakout box. The breakout box is inserted between EFI module and motorcycle´s wiring harness so that the system continues to function as normal. Monitoring points for all connector pins of the EFI module are clearly arranged on the breakout box. It is possible to measure signals and waveforms from all systems and actuators. Disconnecting the ECU from the breakout box allows quick and reliable check of the integrity of the wiring harness in respect to continuity, and leakage currents.
Specs
- Vehicle
- Motorcycle
- Weight Lb
- 2.2
- Shipping Class
- standard
Vehicle Fitment
Check DIAG4 BIKE PARALLEL DIAGNOSTIC SYSTEM 3X18 PIN ADAPTER (part AT 531 4080) against your vehicle before ordering.
Supplier-confirmed applications for this exact part. Match the year, make, and model below. A listed application is not confirmation for an unlisted vehicle.
Harley Davidson FLDE Softail Deluxe
2018–2019
Harley Davidson FLFB Softail Fat Boy
2018–2019
Harley Davidson FLFBS Softail Fat Boy 114
2018–2019
Harley Davidson FLHC Softail Heritage Classic
2018–2019
Harley Davidson FLHCS Softail Heritage Classic 114
2018–2019
Harley Davidson FLSB Softail Sport Glide
2018–2019
Harley Davidson FLSL Softail Slim
2018–2019
Harley Davidson FXBB Softail Street Bob
2018–2019
Harley Davidson FXBR Softail Breakout
2018–2019
Harley Davidson FXBRS Softail Breakout 114
2018–2019
Harley Davidson FXDR Softail Power Cruiser
2019
Harley Davidson FXFB Softail Fat Bob
2018–2019
Harley Davidson FXFBS Softail Fat Bob 114
2018–2019
Harley Davidson FXLR Softail Low Rider
2018–2019
Parts for the Same Vehicles
These parts share at least one listed vehicle application. Check each part’s fitment for your model and year.
