Hello All,

Does anyone no if a Computer that is out of a 91YJ with a 2.5L and a 5 spd tranny will work in a 4.0L with a 5 spd tranny of the same year? Are they the same computers?



89 YJ, 3.5" Black Diamond Lift, 33" tires, 8000lb Warn, 4.0 91 XY engine swap.