Dodge RAM TRUCK 1500 1995 Service Manual page 402

B R
IGNITION SYSTEMS 8D - 29
(2) Disconnect the primary wiring harness connec­
tors at coil packs.
(3) Remove the four (4) coil pack-to-coil mounting
bracket bolts for the coil pack being serviced (Fig.
16).
(4) Remove coil(s) from mounting bracket.
INSTALLATION
(1) Position coil packs to mounting bracket (prima­
ry wiring connectors face downward).
(2) install coil pack mounting bolts.
(3) Install coil pack-to-engine mounting bracket (if
necessary).
(4) Connect primary wiring connectors to coil
packs (four wire connector to front coil pack and
three wire connector to rear coil pack).
(5) Connect secondary spark plug cables to coil
packs. Refer to, figure 17 for correct cable order.
REAR COIL PACK
FRONT COIL PACK
RIGHT
HANK
LEFT
BANK
FIRING ORDER
1-10-9-4-3-6-5-8-7-2
J948D-12
Fig. 17 Spark Plug Cable Order—8.0L V-10 Engine*
IGNITION CONTROL MODULE—S.OL V-10 ENGINE
The ignition control module (ICM) is located in the
engine compartment. It is mounted to the right inner
fender behind the coolant reserve/overflow tank.
REMOVAL
(1) Disconnect the negative battery cable at bat­
tery.
(2) Remove the three bolts retaining the coolant re­
serve/overflow tank to the inner fender (Fig. 18). Po­
sition the tank to the side. Do not drain coolant from
tank.
(3) Disconnect the electrical connector at the ICM.
(4) Remove the ICM from inner fender (two bolts)
(Fig. 18).
IGNITION CONTROL
MODULE (ICM)
COOLANT
RESERVE/OVERFLOW
TANK
ICM MOUNTING
BOLTS (2)
TANK
MOUNTING
BOLTS (3)
J948D-21
Fig. 18 Ignition Control Module Mounting—8.0L V-10
• Engine
INSTALLATION
(1) Position the ICM to the inner fender. Install
two mounting bolts.
(2) Connect the electrical connector to ICM.
(3) Position the coolant reserve/overflow tank to
the inner fender. Install and tighten three mounting
bolts.
(4) Connect the negative battery cable.
INTAKE MANIFOLD AIR TEMPERATURE SENSOR
For an operational description, diagnosis and re­
moval and installation procedures, refer to Group 14,
Fuel System.
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
For removal and installation, refer to MAP Sensor
in Group 14, Fuel System.
OXYGEN SENSOR (02S)
For an operational description, diagnosis and re­
moval or installation of the 02S, refer to Group 14,
Fuel Systems in this manual.
POWERTRAIN CONTROL MODULE (PCM)
REMOVAL
The powertrain control module (PCM) is located in
the right-rear side of the engine compartment (Fig.
19). It is mounted the dash panel cowl with three
bolts (Fig. 20). The PCM was formerly referred to as
the SBEC or engine controller.
(1) Disconnect negative battery cable at battery.