Dodge RAM TRUCK 1500 1995 Service Manual page 395

8D - 22 IGNITION SYSTEMS
B R
C O M P O N E N T R E M O V A L / I N S T A L L A T I O N
INDEX
page
Automatic Shutdown (ASD) Relay . . . . . . . . . . . . . 22
Camshaft Position Sensor—3.9L V-6 or 5.2/5.9L V-8
Engines 22
Camshaft Position Sensor—8.0L V-10 Engine . . . . 23
Crankshaft Position Sensor—3.9L V-6 or 5.2/5.9L
V-8 Engines 24
Crankshaft Position Sensor—8.0L V-10 Engine . . . 25
Distributor Service 26
Engine Coolant Temperature Sensor 26
General information . . 22
GENERAL INFORMATION
This section of the group, Component Removal/In­
stallation, will discuss the removal and installation
of ignition system components.
For basic ignition system diagnostics and service
adjustments, refer to the Diagnostics/Service Proce­
dures section of this group.
For system operation and component identification,
refer to the Component Identification/System Opera­
tion section of this group.
AUTOMATIC SHUTDOWN (ASD) RELAY
The automatic shutdown (ASD) relay is located in
the power distribution center (PDC). The PDC is lo­
cated next to the battery in the engine compartment
(Fig. 1). For the location of the relay within the PDC,
refer to PDC cover.
Fig. 1 Power Distribution Center (PDC)
REMOVAL
(1) Disconnect negative battery cable at battery.
(2) Remove the cover at PDC.
(3) Remove the relay from the PDC by pulling
straight up.
page
Ignition Coil Packs—8.0L V-10 Engine 28
Ignition Coil—3.9L V-6 or 5.2/5.9L V-8 Engines . . . 28
Ignition Control Module—8.0L V-10 Engine 29
Intake Manifold Air Temperature Sensor 29
Manifold Absolute Pressure (MAP) Sensor 29
Oxygen Sensor (02S) 29
Powertrain Control Module (PCM) 29
Spark Plug Secondary Cables . . . . . . . . . . . . . . . . 31
Spark Plugs 30
INSTALLATION
(1) Check the relay terminals in the PDC connec­
tor for corrosion or damage before installing relay.
Repair as necessary.
(2) Push the relay into the connector on the PDC.
(3) Connect negative battery cable at battery.
CAMSHAFT POSITION SENSOR—3 J L V-6 OR
5.2/5 J L V-8 ENGINES
The camshaft position sensor is located in the dis­
tributor (Fig. 2).
REMOVAL
Distributor removal is not necessary to remove
camshaft position sensor.
Fig. 2 Camshaft Position Sensor—3.9L V-6 or
5.2/5.9L V-8 Engines—Typical
(1) Disconnect negative battery cable at battery.
(2) Remove the air cleaner assembly and connect­
ing air tubes.
(3) Remove coil high-tension cable and all spark
plug cables at distributor cap. Note and mark posi­
tion of cables before removal.