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Will a 1994 95 4l60 work in 1996 Chevy 1500?

A 1994-95 4L60E transmission *might* work in a 1996 Chevy 1500, but it's not a guaranteed fit and requires careful consideration. The major issue is the possibility of differences in the electronic controls and the output shaft.

Here's what you need to check:

* Electronic Control: The 1996 model year likely has a different PCM (Powertrain Control Module) and transmission control strategy than the 1994-95 models. This difference in software can lead to compatibility problems, potentially resulting in transmission failure or erratic shifting. You'd likely need to have the PCM flashed or potentially swapped to match the transmission year.

* Output Shaft: The output shaft configuration (length and spline count) *might* be different between the years. This is crucial for proper connection to the transfer case. Incompatible shafts will prevent installation.

* Torque Converter: The torque converter should ideally come with the transmission from the donor vehicle to ensure correct matching. Using the wrong converter can cause problems.

* Wiring Harness: The wiring harness connections between the transmission and the PCM may differ. You might need to adapt the harness or even replace sections.

In short: While it *might* be possible with significant modification and troubleshooting, it's not a simple direct swap. Finding a 1996 4L60E transmission is generally the safer and easier option to avoid potential compatibility headaches. The cost and time savings of using a correct-year transmission far outweigh the risk of attempting to use an older one.