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Patch and Full Engine Harness for Haltech Stand Alones

Battle Garage Racing Service

  • 69500


We are offering our very high quality Haltech Patch harnesses for sale, separate of our ECU kit.

Currently offering for Elite 550/750 and 4AGE 20V engines.  4AGE 16V and BEAMS 3SGE to follow!

Patch Harness

  • Interfaces between Haltech ECU and OEM style Engine harness (ecu connectors)
  • Includes break out connectors for Coil On Plug conversion
  • AUX I/O break out for Radiator Fan, Wideband O2 input, Rev limiter, etc. 
  • Milspec grade wiring and high quality terminations

Full Harness

  • Interfaces between Haltech ECU and Engine directly
  • Includes all major engine sensors - including VVT, 02 Sensor, TPS, etc. 
  • Details include two types of oil pressure sender connectors to retain your gauge cluster functionality
  • AUX I/O break out for Radiator Fan, Wideband O2 input, Rev limiter, etc. 
  • Milspec grade wiring and high quality terminations



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