thats your torque converter lockup solenoid freezing....its the same as completely stopping a manual car in gear with the clutch still engaged...
get the jeep scanned by someone with an OBD1 program or scanner...you should find the DTC for the TCC solenoid.
2000 Silverstone Metallic XJ Classic 4x4, 4.0L HO, AW4, just some 29.5" tires, trail lights and recovery points for now.
2005 Midnight Blue Metallic Pontiac GTO, 6 liters, 6 speeds and 475 horses of fun.
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