It is inside the distributor.
location of relay for heated o2 sensor 1999 jeep Cherokee sport
It is under the front of the passenger side cylinder head
It does not have a mass airflow sensor.
It is inside the distributor.
The throttle position sensor is mounted on the side of the throttle body
The oil sensor is located above the oil filter next to the distributor.
above the filter
Inside the distributor.
The junction box in a 1999 Jeep Grand Cherokee is on the passenger side. It is located on the front side kick panel.
The cam sensor is inside the distributor.
On my 1999 Jeep Wrangler the batt. temp sensor is underneath the battery and mounted to the batt. base plate through a hole in the plate.