ECU's | Wiring Harnesses

VCU OVERVIEW Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wide...

VCU OVERVIEW Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wide...

Includes: 1 x HT-195000 - Nexus R5 ECU 1 x HT-186200 - Universal V8 Terminated Harness Notes: Does not include , Ignition , injection and alternato...

Terminated harness suits LSx engines without DBW, incorporates PDM functionality. EV1 primary injector plugs. Plug and play with the OEM Ignition...

Terminated harness suits LS(x) engines with DBW, and incorporates PDM functionality. EV6 primary injector plugs. Plug and play with the OEM Igniti...

Terminated Engine Harness connects directly to the Nexus R5 VCU and supports most popular big block and small block V8 engines from GM, Ford and Ch...

Plug and Play with Haltech Nexus R5 Universal V8 Terminated harness - HT-186200 where Delco style Alternator is used Notes: Harness is fitted with ...

Plug and Play with Haltech Nexus R5 Universal V8 Terminated harness - HT-186200 where Bosch style Alternator is used Notes: Harness is fitted with ...

The Nexus V8 IGN-1A Ford Harness supports Ford V8 applications utilizing High Output IGN-1A Inductive Coils Suits: Plug and Play with Haltech Nexus...

The Nexus V8 IGN-1A GM/Chrysler Harness supports GM/Chrysler V8 applications utilizing High Output IGN-1A Inductive Coils Suits: Plug and Play with...

Plug and Play with Haltech Nexus R5 Universal V8 Terminated harness - HT-186200 where GT150 (USCAR) Style Injectors are used Suits: Plug and Play w...

Plug and Play with Haltech Nexus R5 Universal V8 Terminated harness - HT-186200 where GT150 (USCAR) Style Injectors are used Suits: Plug and Play w...

Plug and Play with Haltech Nexus R5 Universal V8 Terminated harness - HT-186200 where EV1 Style Injectors are used. Suits: Plug and Play with Halte...

ECU OVERVIEW Elite 1500 is a two-connector, stand-alone ECU ideal for popular late model performance and racing applications. Recommended for 4vcyl...

HARNESS OVERVIEW Ideal for dedicated race cars, engine swaps and custom wiring jobs. The Universal Wire-in Harness has a set of ECU connectors at o...

Suits: RB30 Single Cam Engines using OEM Distributor Includes: Elite 2000/2500 Nissan RB30 CAS Sub-Harness Notes: * Use with Terminated Engine Harn...

Suits: Mazda 13B engine found in the RX-7 Series 6 - Series 8. The fastest and most cost effective way to wire your race car or engine conversion! ...

Suits: Mazda 13B Series 4 and 5, Haltech Elite 1000, Elite 1500. Includes: Mazda 13B S4/5 Terminated Crank Angle Sensor (CAS) sub harness. Notes: D...

The fastest and most cost effective way to wire your race car or engine conversion! Simply connect a handful of labelled wires and this plug and P...

The fastest and most cost effective way to wire your race car or engine conversion! Simply connect a handful of labelled wires and this plug and Pl...

MR2Link V3 Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize t...

MR2Link V1 Easy to install. Affordable. Reliable. G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the...

Link ECU - G4X 300ZLink - N300X Plug-in ECU Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technolo...

If you are using a factory harness and are after an easy ECU upgrade, take a look at Haltech Plug'n'Play Adaptor Kits. These adaptors plug directly...