ECU Extension Harnesses

An extension harness will allow you to tap into your ECU wiring for sensor readings, etc. without splicing into the vehicle's factory wiring.  HA Motorsports harnesses are constructed using cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable.  All HA Motorsports wire harnesses are designed and built right here in the USA!
6 products
  • OBD1 Extension Harness - Manual or Automatic Transmission - HA Motorsports
    $95.00
    $95.00
  • Extension Harness 02-06 Acura RSX, 01-05 Civic, Acura CL, TL - Manual Transmission - HA Motorsports
    $159.00
    $159.00
  • OBD2B Extension Harness - Manual Transmission - HA Motorsports
    $149.00
    $149.00
  • OBD2B Extension Harness - Automatic Transmission - HA Motorsports
    $179.00
    $179.00
  • OBD2A Extension Harness - Manual Transmission - HA Motorsports
    $149.00
    $149.00
  • OBD2A Extension Harness - Automatic Transmission - HA Motorsports
    $179.00
    $179.00

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