Grand Cherokee 2WD V8-5.2L VIN Y (1998)
Powertrain Control Module: Service and Repair
POWERTRAIN CONTROL MODULE (PCM)
Fig. 77 PCM
The Powertrain Control Module (PCM) is located on the cowl panel in the right/rear side of the engine compartment (Fig. 77).
REMOVAL
1. Disconnect the negative battery cable at battery
2. Remove cover over electrical connectors. Cover snaps onto PCM.
Fig 78 Coolant Reserve Tank Mounting
3. Remove the coolant reserve/overflow tank (one bolt and two nuts) (Fig. 78).
4. Carefully unplug the three 32-way connectors at PCM.