Due to heavy order volume, please expect 1-2 day delay on processing and shipping ALL orders!

Collection: ECU Jumper Harnesses - Manual Transmission Vehicles

HA Motorsports ECU jumper harnesses use cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable. All of our harnesses are designed and built here at our facility in the USA.
16 products
  • OBD2A to OBD1 ECU Jumper Harness - Manual Transmission
    OBD2A to OBD1 ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $85.00
    Sale price
    $85.00
    Unit price
    per 
  • OBD2A to OBD2B ECU Jumper Harness - Manual Transmission
    OBD2A to OBD2B ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $145.00
    Sale price
    $145.00
    Unit price
    per 
  • OBD2B to OBD1 ECU Jumper Harness - Manual Transmission
    OBD2B to OBD1 ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $85.00
    Sale price
    $85.00
    Unit price
    per 
  • 05-06 Acura RSX to 02-04 Acura RSX ECU Jumper Harness - Manual Transmission
    05-06 Acura RSX to 02-04 Acura RSX ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $159.00
    Sale price
    $159.00
    Unit price
    per 
  • 02-04 Acura RSX / 02-05 Civic Si EP3 to 05-06 Acura RSX ECU Jumper Harness - Manual Transmission
    02-04 Acura RSX / 02-05 Civic Si EP3 to 05-06 Acura RSX ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $159.00
    Sale price
    $159.00
    Unit price
    per 
  • OBD0 MPFI to OBD1 ECU Jumper Harness - Manual Transmission
    OBD0 MPFI to OBD1 ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $119.00
    Sale price
    $119.00
    Unit price
    per 
  • OBD0 DPFI to OBD1 ECU Jumper Harness - Manual Transmission
    OBD0 DPFI to OBD1 ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $149.00
    Sale price
    $149.00
    Unit price
    per 
  • OBD1 to OBD2A JDM ECU Jumper Harness - Manual Transmission
    OBD1 to OBD2A JDM ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $130.00
    Sale price
    $130.00
    Unit price
    per 
  • OBD2B to OBD2A ECU Jumper Harness - Manual Transmission
    OBD2B to OBD2A ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $145.00
    Sale price
    $145.00
    Unit price
    per 
  • OBD1 to OBD2B JDM ECU Jumper Harness - Manual Transmission
    OBD1 to OBD2B JDM ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $130.00
    Sale price
    $130.00
    Unit price
    per 
  • OBD1 to OBD2A USDM ECU Jumper Harness - Manual Transmission
    OBD1 to OBD2A USDM ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    Sold out
    Sale price
    $150.00
    Unit price
    per 
  • OBD1 to OBD2B USDM ECU Jumper Harness - Manual Transmission
    OBD1 to OBD2B USDM ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $150.00
    Sale price
    $150.00
    Unit price
    per 
  • OBD0 MPFI to OBD2A ECU Jumper Harness - Manual Transmission
    OBD0 MPFI to OBD2A ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $159.00
    Sale price
    $159.00
    Unit price
    per 
  • Hondata 04-05 Acura TL CAN Adapter and Harness Kit
    Hondata 04-05 Acura TL CAN Adapter and Harness Kit - HA Motorsports
    Regular price
    $350.00
    Sale price
    $350.00
    Unit price
    per 
  • OBD0 88-91 Prelude to OBD1 ECU Jumper Harness - Manual Transmission
    OBD0 88-91 Prelude to OBD1 ECU Jumper Harness - Manual Transmission - HA Motorsports
    Regular price
    $139.00
    Sale price
    $139.00
    Unit price
    per 
  • Hondata 03-07 Accord V6 M/T Can Adapter and Harness Kit
    Hondata 03-07 Accord V6 M/T Can Adapter and Harness Kit - HA Motorsports
    Regular price
    $350.00
    Sale price
    $350.00
    Unit price
    per 

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