alexweck

Hello, I need some help.

I purchased a stock 1997 Jeep Cherokee (XJ) 4.0 and swapped the engine to a stock 1995 Jeep Cherokee (XJ) 4.0. The '95 head has a temperature sending unit at the back of the head and I broke the sensor in the process of installing the engine. The '97 harness does not have a connector for a temperature sending unit ( I attached a picture of a replacement) where it should be on the '95 harness. I have read vague answers that the '97 jeep has changed the Coolant Temperature Sensor to have a dual function of sending the temperature to the ECU and the dashboard gauge.

My 1997 jeep does not have a traditional temperature gauge/display so I cannot actually see it working but how or when would I know if the jeep is overheating? Thank you for your help, I've never encountered this before in the older XJ's.



Temp. Sending Unit

Coolant temp. Sensor

old temp sending unit

dashboard