I put together an more organized list of all the above ECM entries in this thread to make it easier to find and identify an ECM 1989 8V/5speed/4WD 33920-60a31 E2740472 8Z19 ------------------------------------------------------- 1989 8V/auto/4WD 33920-60A40 E2T40485 8707 ----------------------------------------------- 1989 Tracker/8V/auto/Hardtop 33920-60A41 E2T40482 8Y16 ---------------------------------------------------------- 1990 Tracker 8V/auto/2Dr/Softtop/4WD 33920-60A41 E2T40482 9519 ---------------------------------------------------------------- 1991 Tracker 8V/5speed /2DR/Hardtop/4WD 33920-56B30 E2T41271 US-MT -------------------------------------------------------- 1991 Tracker 8V/5speed/Softtop/4WD 33920-56B30 E2T41271M 1424E G1 ----------------------------------------------------------- 1992 Tracker 8V/auto/2DR/Softtop/2WD 33920-56B40 E2T41281 2326F US-AT --------------------------------------------------------------------- 1992 Asuna Sunrunner 8V/5speed/Softtop/2WD 33920-56830 E2T41271 1429E -------------------------------------------------------------- 1993 Tracker 8V/5speed/2DR/Softtop/2WD 33920-56B30 E2T41271 US-MT ----------------------------------------------------------- 1993 Tracker 8V/auto/2DR/Softtop/4WD 33920-56B40 E2T41281 US-AT --------------------------------------------------------------- 1993 Sidekick 8V/5speed/2DR/Softtop/4WD 33920-56B30 E2T41271 2Y24F US-MT ----------------------------------------------- 1994 Sidekick 16V/5speed/4DR 33920-58B90 E2T42971 ----------------------------------------------------------- 1994 Tracker 8V/auto/2DR/Softtop/2WD 39920-56B60 E2T43281 4418D FED-AT -------------------------------------------------------------- 1994 Tracker 8V/5speed/2DR/Softtop/2WD 33920-56B50 E2T43271 3915A FED-MT ------------------------------------------------------------- 1994 Tracker 8V/auto/2DR/Hardtop/4WD 33920-56B60 E2T43281 3806A FED-AT ------------------------------------------------ 1994 Sidekick/4speed-auto/4DR    33920-58B00   16v E2T42981T 4113 A2 -------------------------------------------- 1995 Sidekick 16V/auto/4DR 33920-70EC -------------------------------------- 1996 16V/3speed-auto 33920-78E21 71e2 6w e2t44292 t1 5y01a (This is a California emission model with different ECM harness, has extra evap sensor, and the cps sensor plug at the master cylinder is different and also has 5 wires instead of 3.  This harness can be modified to fit Non-California models, but I would say the Non- California harness with a California ecm would trip a evap sensor code.) ---------------------------------------------- 1996 auto/2DR/Softtop/4WD 33920-71E21 71E2 6K E2T44291 T2 5809C ------------------------------------------------------------------------------------------ 1997 Tracker Auto w/overdrive/4DR/4WD 30020310 33920-72E51 71EU 3L E2T48772T1 7326A (Has 4 Multi-plugs on the ECM)

33920-70EC 95 Sidekick, 4 door, automatic, 1.6L, 16v.