ECU Jumper Harnesses

HA Motorsports OBD2A to OBD1 ECU Jumper Harness
HA Motorsports OBD2A to OBD1 ECU jumper harness for installing an OBD1 ECU into an OBD2A Chassis. Uses all new OEM connectors for an OE quality fitment. HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable. Allows painless conversion from an OBD2A ECU to an OBD1 ECU.
$75.00
HA Motorsports OBD2B to OBD1 ECU Jumper Harness
HA Motorsports OBD2B to OBD1 ECU jumper/conversion harness for installing an OBD1 ECU into an OBD2B chassis. Uses all new OEM connectors for OE quality fitment. All HA Motorsports ECU jumper harnesses use cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable. Allows a painless conversion from an OBD2B ECU to an OBD1 ECU.
$75.00
HA Motorsports OBD0 MPFI to OBD1 ECU Jumper Harness
HA Motorsports OBD0 MPFI (multi-port fuel injection) to OBD1 ECU jumper/conversion harness for installing an OBD1 ECU into an OBD0 mpfi chassis. Uses all new OEM connectors for OE quality fitment. All HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire which exceeds OEM specifications and is extremely durable.
$104.00
HA Motorsports OBD0 DPFI to OBD1 ECU Jumper Harness
HA Motorsports ECU jumper/conversion harness for installing an OBD1 ECU into OBD0 Dual Point Fuel Injection (DPFI) chassis. Using this harness you can convert directly from OBD0 dpfi to OBD1 WITHOUT first doing an MPFI wiring conversion.
$139.00
HA Motorsports OBD2B to OBD2A ECU Jumper Harness
HA Motorsports OBD2B to OBD2A ECU Jumper Harness. Allows simple, plug-n-play conversion from OBD2B to OBD2A. Uses all new OEM connectors for OE quality fitment. HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable.
$135.00
HA Motorsports OBD2A to OBD2B ECU Jumper Harness
HA Motorsports OBD2A to OBD2B ECU Jumper Harness. Allows simple, plug-n-play conversion from OBD2A to OBD2B. Uses all new OEM connectors for OE quality fitment. HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable.
$135.00
HA Motorsports OBD1 to OBD2A ECU Jumper Harness
HA Motorsports OBD1 to OBD2A ECU jumper harness for converting an OBD1 vehicle to use an OBD2A ECU. HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable. Uses all new OEM ECU connectors for durability and OE quality fitment.
$120.00
HA Motorsports OBD1 to OBD2B ECU Jumper Harness
HA Motorsports OBD1 to OBD2B ECU jumper harness for converting an OBD1 vehicle to use an OBD2B ECU. HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire that exceeds OEM specifications and is extremely durable. Uses all new OEM ECU connectors for durability and OE quality fitment.
$120.00
HA Motorsports 05/06 Acura RSX to 02-04 KPro Jumper Harness
HA Motorsports ECU jumper harness for installing an 02-04 Acura RSX ECU with Hondata Kpro into the 2005-2006 Acura RSX chassis. This can ONLY be used with a specially modified ECU that is prepared by Hondata for use in the 05-06 Acura RSX.
$159.00
HA Motorsports / KTuner ECU Jumper Harness for 05-06 ECU into 02-04 RSX / 02-05 EP3
HA Motorsports ECU jumper harness for installing a KTuner equipped 05-06 ECU into 02-04 RSX, 02-05 EP3 Civic Si, or K-swap when using an 02-04 style engine harness. This harness is for use on manual transmission equipped vehicles only. Uses all new OEM connectors for OE quality fitment. All HA Motorsports ECU jumper harnesses are constructed using cross-linked automotive TXL wire which exceeds OEM specifications and is extremely durable.
$159.00
HA Motorsports OBD1 to OBD1 Straight-Through Harness
OBD1 to OBD1 straight-through ECU harness. Use this harness to tap into engine sensors, etc. without splicing into your stock harness. An excellent choice for tuners who want to wire in a wideband O2 sensor, etc. without cutting the customer's wiring.
$110.00
HA Motorsports OBD0 MPFI to OBD2 10-Pin Distributor Adapter
HA Motorsports distributor adapter for installing an OBD2 10-pin distributor when using an OBD0 MPFI engine harness. This will allow you to plug your 10-pin OBD2 distributor into your OBD0 MPFI engine harness without any cutting or splicing.
$35.00
HA Motorsports OBD0 MPFI to OBD2 8-Pin Distributor Adapter
HA Motorsports distributor adapter harness for installing an OBD2 distributor onto your engine when using an OBD0 MPFI engine harness. This will convert your OBD0 MPFI engine harness' distributor plug to plug into an OBD2 8 pin style distributor.
$35.00
HA Motorsports OBD1 to OBD2 10-Pin Distributor Adapter
HA Motorsports OBD1 to OBD2 10-Pin distributor adapter for installing a 10-pin OBD2 distributor when using an OBD1 engine harness.
$35.00
HA Motorsports OBD1 to OBD2 8-Pin Distributor Adapter
HA Motorsports plug-n-play distributor for installing an OBD2 8-pin distributor when using an OBD1 engine harness.
$35.00
HA Motorsports OBD0 MPFI to OBD1 Distributor Adapter
HA Motorsports distributor adapter harness set for installing an OBD1 distributor using an OBD0 MPFI engine harness. This will adapt your factory OBD0 MPFI engine harness' distributor plug to fit onto the OBD1 distributor's plug.
$35.00
HA Motorsports 92-95 Civic Auto to OBD1 Auto ECU / TCU Harness
HA Motorsports custom ECU adapter harness for 92-95 Civic OBD1 automatic with B series swap. This harness will allow you to install our Neptune auto ECU along with our OBD1 auto transmission control unit for use with an automatic transmission B series engine swap.
$239.00
HA Motorsports 96-98 Civic Auto to OBD1 Auto ECU /  TCU Harness
HA Motorsports custom ECU jumper harness for 96-98 OBD2A Honda Civic with an automatic transmission B series engine swap. Using this custom harness, you will be able to use our tunable Neptune OBD1 auto ECU and OBD1 P78 transmission control unit in your civic and fully tune your engine while letting the P78 transmission control unit handle automatic transmission operation!
$239.00
HA Motorsports 99-00 Civic Auto to OBD1  Auto ECU / TCU Harness
HA Motorsports custom ECU harness for OBD2B 99-00 Honda Civic with automatic B series engine swap. This harness allows you to use our OBD1 Neptune Auto ECU with the OBD1 P78 transmission control unit.
$239.00
HA Motorsports 2000-2001 Integra Auto to OBD1 Auto ECU / TCU Harness
HA Motorsports custom ECU adapter harness for installing our Neptune Auto ECU with separate transmission control unit into '00-'01 Integra with B series engine and automatic transmission.
$239.00
HA Motorsports 96-99 Integra Auto to OBD1 Auto ECU / TCU Harness
HA Motorsports custom adapter harness for installing our Neptune Auto ECU with separate transmission control unit into 96-99 Acura Integra with B series automatic transmission.
$239.00
HA Motorsports 96-97 Accord 4cyl to OBD1 Auto ECU / TCU Harness
HA Motorsports custom ECU adapter harness for installing our Neptune Auto ECU with separate transmission control unit into 96-97 Accord 4 cylinder with auto transmission.
$239.00
HA Motorsports 98-02 Accord 4cyl Auto to OBD1 Auto ECU / TCU Harness
HA Motorsports custom adapter harness for using our Neptune Auto ECU and a separate transmission control unit on a 98-2002 Honda Accord 4cylinder
$239.00