Benchtop Programming Harnesses...
  • allow you to reprogram an ECU outside of the vehicle
  • are a modular design consisting of one switch assembly and multiple ECU programming extensions
  • require tuning software and interface such as EFILive, HP Tuners, or LS1Edit (not included)
First choose a switch assembly...
...with AC to DC 12v power supply


$90.00

Click here for additional information.		 ...with hookups for battery or power supply


$65.00

Click here for additional information.
...then choose from any of the ECU programming extensions...
$50.00
1997-1998 LS1 PCM Extension Harness
For use with 1997-1998 LS1 PCMs only. This harness is pinned differently than the 1999-newer LS1 PCM extension harness.
$50.00
1999-Newer LS1 PCM Extension Harness
For use with 1999-Newer LS1 type PCMs only. This harness is pinned differently than the 1997-1998 LS1 PCM extension harness.
$70.00
1996-1997 LT1 PCM Extension Harness
For use with 1996-1997 LT1 PCMs only. This programming extension harness does not work with 1994-1995 LT1 PCMs.
$50.00
1996-2000 Vortec PCM Extension Harness
For use with 1996-2000 Vortec PCMs only.
$85.00
E40 & P12 ECM with T42 TCM Extension Harness
For use with E40 & P12 ECMs and T42 TCMs only.
$70.00
E38 ECM Extension Harness
For use with E38 ECMs only. This harness has add-on provision for our T42 TCM or T43 TCM programming extension harness.
$70.00
E39 ECM Extension Harness NEW!
For use with E39 ECMs only. This harness has add-on provision for our T42 TCM or T43 TCM programming extension harness.
$110.00
E67 ECM with T42 TCM Extension Harness
For use with E67 ECMs and T42 TCMs only.
$45.00
T42 TCM Extension Harness NEW!
For use with T42 TCMs only. This add-on harness is to be used with any of our (Gen IV) ECM programming harness extensions to reprogram T42 transmission controllers outside of the vehicle.