Jeep 4.0L Index of Articles

1993-1995 Vehicle Speed Sensor Wiring Diagram (Jeep 4.0L)

1993-1995 Vehicle Speed Sensor Wiring Diagram (Jeep 4.0L)

NOTE: The above vehicle speed sensor (VSS) wiring diagram applies only to 1993, 1994, 1995 4.0L Jeep Grand Cherokee. The powertrain control module (PCM) feeds 8 Volts DC to the vehicle speed sensor (VSS) thru' the WHT/BLK (white with black...   read more >>

1993-1995 Camshaft Position Sensor Wiring Diagram (Jeep 4.0L)

1993-1995 Camshaft Position Sensor Wiring Diagram (Jeep 4.0L)

NOTE: The above camshaft position sensor wiring diagram applies only to 1993, 1994, 1995 4.0L Jeep Grand Cherokee. The camshaft position sensor (located inside the ignition distributor) gets power from the powertrain control module (PCM)...   read more >>

How To Test the Ignition Coil (1991-1997 4.0L Jeep)

How To Test the Ignition Coil (1991-1997 4.0L Jeep)

Testing the ignition coil, on your 4.0L equipped Jeep to see if it's bad and causing your Jeep to not start (or not), isn't hard and it's something you can do yourself without expensive diagnostic equipment. In this tutorial I'll show you how to...   read more >>

1993-1995 Crank Sensor Wiring Diagram (Jeep 4.0L)

1993-1995 Crank Sensor Wiring Diagram (Jeep 4.0L)

NOTE: The above crankshaft position sensor wiring diagram applies only to 1993, 1994, 1995 4.0L Jeep Grand Cherokee. The crankshaft position sensor gets power from the powertrain control module (PCM) thru' the WHT/BLK (white with black...   read more >>

How to do a Cylinder Balance Test (Jeep 4.0L)

How to do a Cylinder Balance Test (Jeep 4.0L)

A manual cylinder balance test will help you find out which cylinder is the one that's misfiring on your 4.0L Jeep (this is particularly true if your Jeep is OBD I equipped). What makes doing a cylinder balance test so easy on the 4.0L equipped...   read more >>

1995 Grand Cherokee Power Distribution Center

1995 Grand Cherokee Power Distribution Center

Location and descriptions of the fuses of the under-hood Power Distribution Center for 1995 Jeep Grand Cherokee. Fuse Location/Description1995 Jeep Grand Cherokee Power Distribution Center # Amps Fuse...   read more >>

How to Troubleshoot a No Start Condition (Jeep 4.0L)

How to Troubleshoot a No Start Condition (Jeep 4.0L)

A no start condition, on your 4.0L Jeep, is usually caused by a lack of fuel, or a lack of spark, or a lack of air (generally engine compression). Knowing that the cause of the problem lies in these 3 specific areas will help you figure out what...   read more >>

1993-1995 Fuel Injector Circuit Diagram (Jeep 4.0L)

1993-1995 Fuel Injector Circuit Diagram (Jeep 4.0L)

NOTE: The above fuel injector wiring diagram applies only to 1993, 1994, 1995 4.0L Jeep Grand Cherokee. The fuel injectors get power from the auto shutdown (ASD) relay thru' the DK GRN/BLK (dark green with black stripe) wire. This power is...   read more >>

How to Test IAT Sensor Code P0112 (1997-2004 Jeep 4.0L)

How to Test IAT Sensor Code P0112 (1997-2004 Jeep 4.0L)

Testing the intake air temperature (IAT) sensor trouble code P0112 on your 4.0L equipped Jeep is not hard and in this tutorial I'll show you how to do it in a step by step way. This tutorial covers quite a few 4.0L equipped Jeeps... to make...   read more >>

1993-1995 Jeep Grand Cherokee PCM Pin Out Chart (4.0L)

1993-1995 Jeep Grand Cherokee PCM Pin Out Chart (4.0L)

The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Jeep Grand Cherokee. The PCM has a 60 pin connector and on the back side of the connector (wire side)...   read more >>