located inside the steering colum on the top.
under dash right side of steering column it shows in the book as a combination flasher
.035"
.035
17mm allen wrench, the transfer case takes a 10mm allen.
The plug is under the dash on the driver side.
Look for a loose plug, or plug wire.
.035 in GAP
.035 inch
4cyl is .035
.035 inch
The 2002 Jeep Wrangler OBD 2 port is below instrument panel, left of brake pedal
they are located on either side of the block