96 vs 97 vs 98 computers

From: WiLieR[SS] (waffle787@gmail.com)
Date: Mon Feb 07 2005 - 17:39:45 EST


What was changed between 96, 97, and 98 models for the computers? If
all trucks were 3.9l v-6 with automatic trans and all else being equal
(trim level, options, etc...), what would prevent a 98 comp from being
used on a 97 or a 96. I know 96 was the first year for OBD-II and the
last of the Gen-II, 97 brought in the Gen-III and 98 was a refinement
of the Gen-III. But what changed in the programing that prevents a 98
comp from being compatible with a 96 powertrain?

Will



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