Haltech HT-186004 i6 Timer (EV1) Primary Injector Harness

The Haltech HT-186004 i6 Timer (EV1) Primary Injector Harness is a plug-and-play injector sub-harness designed to connect six EV1 (Timer-style) fuel injectors directly to your Haltech Nexus engine management system. Engineered specifically for Nexus Rebel JZ main terminated harnesses, this harness ensures accurate fuel injector control and reliable signal integrity in high-performance applications.

Each injector connector is clearly labelled, allowing fast and error-free installation while ensuring correct cylinder allocation. This is critical in turbocharged, high-RPM and motorsport engines where precise fuel delivery directly impacts power, drivability and engine safety.

Manufactured to Haltech’s motorsport-grade wiring standards, this injector harness is ideal for street, track and race Toyota JZ engine builds running traditional EV1 / Timer-style fuel injectors.

• Direct plug-and-play injector harness for EV1 (Timer-style) fuel injectors
• Designed to suit Haltech Nexus Rebel JZ main terminated harnesses
• Clearly labelled connectors for accurate injector-to-cylinder mapping
• Motorsport-grade wiring for durability in high-heat environments

Included:

• 1 × Haltech HT-186004 i6 Timer (EV1) Primary Injector Harness