Ranger 4WD V6-3.0L VIN U (1997)
5. Select and connect interface cable "E" 007-00111 to the tester and then black connector (digital) to DTR sensor.
6. Set analog/digital switch on TR-E cable to digital.
CAUTION: Route all cables away from heat sources to prevent damage to cables during testing.
Use the transmission tester extender cable when running tests with the transmission in the vehicle.
7. Turn large dial to DIGITAL TR SENSOR TEST.
8. Plug transmission tester power cable into cigar lighter socket.
All LEDs should light for a short period and then turn off. This is the Tester's internal circuit check.