It is in the distributor.
The engine computer is also the regulator.
Usually a crankshaft sensor is located on the bellhousing of the transmission
It is the part that connects the engine to the trans and transmits the power. It is between there.
The PCV valve on the 1995 Jeep Grand Cherokee Laredo V6 engine is on the oil filler tube. It is on the top of the engine.
The thermostat is under the housing where the upper radiator hose attaches to the engine.
The engine coolant temperature sensor is the sensor that is screwed into the thermostat housing on the top front of the engine.
On the right hand (passenger) side of the engine compartment towards the rear on the firewall.
this is located in passenger door switch
The 1988 Jeep Cherokee fuel pump relay switch is located on the firewall in the engine compartment. The switch will be on the drivers side of the firewall.
Each computer, (engine, abs, airbag, radio, etc) stores its own memory.
The 1990 Jeep Cherokee electric fan relay switch is located on the firewall in the engine compartment. The fan relay switch will be on the passenger side of the firewall.