Intermittent Engine Operation Or Misfire - Jeep J-10 Series 1982 Technical & Service Manual

1G-6 IGNITION SYSTEMS
Ignition System Troubleshooting
INTERMITTENT ENGINE OPERATION OR MISFIRE
CHECK SPARK AT TWO PLUG WIRES
WITH TOOL J-26792
SPARK FROM ONE
OR BOTH WIRES
DEFECTIVE
REPLACE
CONNECT
VOLTMETER
BETWEEN
(TACH)
TERMINAL
AND GROUND
ATTACH
GROUND
WIRE
CHECK PICKUP COIL WITH
OHMMETER (VIEWC) REFER
TO TESTING PICKUP COIL
DWELL
INCREASE
TROUBLE
NOT FOUND
CHECK FUEL, COIL
AND PLUG WIRES.
CAPAND PLUGS
TACH (-)
TERMINAL
ATTACH
GROUND
WIRE
VIEW A
B+ TERMINAL
MODULE
P" TERMINAL
TEST
LAMP 4
TO BATTERY
(♦)
J-26792
CONNECTED
TO COIL
REMOVE PICKUP
COIL CONNECTOR
(GREEN AND WHITE
WIRES) FROM MODULE
VIEWB
GOOD
CHECK FOR DWELL
INCREASE FROM HIGH
TO LOW RPM
J-26792
CONNECTED
TO COIL
TO IGNITION
SWITCH
MODULE
PICKUP COIL
CONNECTOR
DISCONNECTED
FROM MODULE
500 TO
1500
OHMS
NO SPARK
CONTINUE WITH
NO START PROCEDURE
DWELL DID NOT
INCREASE
REPLACE
ELECTRONIC
MODULE
0-20 IN. Hg
OHMMETER
VIEWC
INFINITE
RESISTANCE
908328
f/mUS
am,