Notes: Harness requires Injection, Ignition and alternator Sub Harnesses - Sold seperately.


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 Chrysler. Harness requires Injection, Ignition and alternator Sub Harnesses - Sold seperately.

  • Injector breakouts
  • HT-186000 V8 Primary Injector EV1
  • HT-186001 V8 Secondary Injector EV1
  • HT-186002 V8 Primary Injector USCAR
  • HT-186003 V8 Secondary Injector USCAR
  • Ignition breakouts
  • HT-186060 Nexus V8 GM/Chrysler IGN1A
  • HT-186061 Nexus V8 Ford IGN1A
  • Alternator breakouts
  • HT-186123 GM LS 2-Pin Bosch Alternator Harness
  • HT-186124 GM LS 4-Pin Delco Alternator Harness
  • HT-186125 GM LS 2-Pin Yazaki Alternator Harness


  • Haltech Nexus R5 VCU connectors
  • Terminated engine bay and in-cabin connections
  • Connection to Haltech CAN devices (eg dash displays, keypads, etc.)
  • Connection to sensors (eg crank, cam, MAP, temperature, pressure, position, speed, flex fuel)
  • Dual Wideband Lambda sensor allocation
  • Breakout connection to 8 ignition coils
  • Breakout connection to 8 primary injectors,
  • 8 secondary injectors and 2 tertiary injectors
  • Breakout connection for alternator control
  • Starter solenoid control
  • Dual boost control solenoid allocation
  • Breakout connection for thermofan and fuel pump control
  • Breakout connection for transmission control
  • Spare inputs and outputs
  • Spare high current 8 Amp PDM outputs
  • Spare HBO (Half Bridge Output)
SKU HT-186200
Brand Haltech