Cherokee 2WD L6-242 4.0L VIN M FI (1987)
Main Relay (Computer/Fuel System): Testing and Inspection
Fig. 9 Relay terminal identification
1.
With relay de-energized, continuity should exist between relay terminals 30 and 87A, Fig. 9.
2.
Using a suitable ohmmeter, check resistance between relay terminals 85 and 86. Ohmmeter reading should be 70 to 80 ohms for resistor relays and
81 to 91 ohms for diode relays.
