Message Center And Run Circuit - Dodge D250 1990 Service Manual

Electrical System
DODGE Turbo Diesel
Message Center and Run Circuit
Electrical System Description/Operation
Page 8-5
Ignition Switch
Ground Start
Position
Message Center*
Terminal
PS1 #20 GY
Message Center and Run Circuit
5.9 Liter Diesel Engine
.R.W.A.L.
"AT1 #18 ORN
Wait-to-Start
Light
E5 #20 DG/WT
"o Parking, Hyd. Break
Switch and Brake Vacuum
P5, PSA
12V Supply from
Fuse 12
G5F #20 DE
G5J #20 DB
NWater in Fuel
Light K3 #20 BK/PK
H4D #22 BK
= TO Fuel -LL-
Tank Module "="
G40 #20 DB/RD
Air Heater Controller
(Electronic Control
Module)
Ground
K9C #18 BK
Engine Wiring Ignition
Run Circuit J2A #14 DB
ECM 12V Supply
J2A #14 DB
KSB Valve
=J32 #18 DB/WT
Thermistor
b=S20 #18 LB/BK
Water-in-Fuel
h=Sensor K31 TN/BK
Starter Relay
= (Start Cycle)
S2A #18 YEL "="
: intake Manifold Heater
Pull-in Coil S21 #18 YEL/BK
— Intake Manifold Heater
Pull-in Coil S22 #ORN/BK
J2D #14 DE
J2 #14 DB
V
12V
Bat
j r # i 2 R ^
12V Supply
Battery
Ingltion Switch Run
Position 12V
Vacuum Sensor
Brakes J2E #16 DB
—Electronic Voltage
Regulator J2B #14 DB
Right Engine Wiring
Plug J2C #14 DB
Fuel Pump Solenoid