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11-piece fuel injector test kit in a rectangular carrying case

Noid Light Test Kit 11-Piece Fuel Injector Electrical System Tool

SKU CH-PMQX-Q440T

An 11-piece fuel-injector electrical test kit with eight noid lights covering PFI, TBI, SCPI and Multec2 systems plus an extension cable for hard-to-reach connectors

  • Team affiliation1 Piece
  • Key featuresNot
  • Overall height9.45 L x 6.5 W x 1.97 H inches
  • Overall width9.45 L x 6.5 W x 1.97 H inches
  • Overall length9.45 L x 6.5 W x 1.97 H inches
  • Tests 8 injector types for broad vehicle coverage
  • Extension cable lets you watch light from driver seat
  • 11-piece kit includes carrying case for portability
  • Flash pattern reveals ECU signal health instantly
  • Compact 9.45 x 6.5 x 1.97 inch case stores neatly

11-Piece Fuel Injector Noid Light Kit

This 11-piece kit provides noid lights for testing fuel injector electrical signals on a wide range of vehicles. It covers PFI, TBI, SCPI and Multec2 injection systems, letting technicians verify ECU pulse delivery without complex equipment. The included extension cable reaches difficult harness connectors, allowing the user to monitor the light from the driver's seat. A carrying case keeps the components organised for mobile or workshop use.

Suits Mechanics Needing Quick Electrical Checks

The set is built for professionals and DIYers who want to confirm injector drive signals before replacing parts. It does not measure fuel pressure, spray pattern or injector resistance, so buyers needing those diagnostics will require additional tools. It also lacks adapters for direct-injection or diesel piezo injectors, limiting use on many modern engines. Anyone without access to the injector harness connectors will not be able to use the lights.

Plug-and-Play Harness Connection

Installation is a simple matter of unplugging the injector connector and inserting the matching noid light, then cranking the engine to observe the flash pattern. The most common issue is selecting the wrong terminal style for the vehicle, which yields a false solid or absent light. The extension cable can loosen under vibration, so securing the connector prevents intermittent readings. Damaged harness pins on the vehicle side will also prevent a reliable connection.

How it compares

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Price $34.99
Pricier than about 57% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameMarvelity
Size & build
Overall height9.45 L x 6.5 W x 1.97 H inches
Overall width9.45 L x 6.5 W x 1.97 H inches
Overall length9.45 L x 6.5 W x 1.97 H inches
More details
Team affiliation1 Piece

Questions about this item

What type of fuel injector connectors must my vehicle have for the 11-piece kit's eight noid lights to plug in?

The kit covers PFI, TBI, SCPI and Multec2 injector connectors, so your vehicle must use one of those terminal styles for the lights to fit.

If I keep my older scan tool, can I still use this kit to verify injector pulse signals?

Yes, the noid lights connect directly to the injector harness and flash with each ECU pulse, giving a visual check that works alongside any scan tool you already own.

How do I confirm the kit is working correctly after I plug a light into the harness and crank the engine?

A steady flashing light while cranking means the ECU is sending injector pulses; a solid or absent light points to an electrical fault in the circuit.

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