Dodge RAM TRUCK 1500 1995 Service Manual page 387

80 -14 IGNITION SYSTEMS
BH
OHMMETER
MAKE OHMMETER
CONNECTIONS AT
CORRESPONDING CYLINDERS
(5/10 OR 9/8).
FRONT
OF
ENGINE
J948D-15
Fig. 13 Checking Coil Secondary Resistance—Rear
Coils—8.0L ¥-10 Engine
B+ TERMINAL
TO
CENTER
COIL
FRONT
OF
ENGINE
J948D-16
Fig. 14 Checking Coil Primary Resistance—Front
Coils—8.0L ¥-10 Engine
For removal and installation of the ICM, refer to
the Component Removal/Installation section of this
group.
ENGINE COOLANT TEMPERATURE SENSOR TEST
For an operational description, diagnosis and re­
moval and installation procedures, refer to Group 14,
Fuel System.
TO LEFT
COIL
TO RIGHT
COIL
1+
TERMINAL
FRONT
OF
ENGINE
J948D-17
Fig. 15 Checking Coil Primary Resistance—Rear
Coils—8.0L ¥-10 Engine
* Primary Resistance: 0.53 to 0.65 ohms
* * Secondary Resistance: 10.9 to 14.7 K ohms
* Test across the primary connector.
Refer to text for test procedures.
* * Test across the individual coil towers.
Refer to text for test procedures.
J948D-13
Fig. 16 Ignition Coil Resistance Specifications—8.0L
¥-10 Engine
IGNITION CONTROL
MODULE (ICM)
COOLANT
RESERVE/OVERFLOW
TANK
ICM MOUNTING
BOLTS (2)
TANK
MOUNTING
BOLTS (3)
J948D-21
Fig. 17 Ignition Control Module Location—8.0L ¥-10
Engine