Intake Manifold Heater System - Dodge D250 1990 Service Manual

Electrical System Description/Operation
Page 8-4
Electrical System
DODGE Turbo Diesel
Intake Manifold Heater System
Intake Manifold Heater System
5.9 Liter Diesel Engine
A6 #6
BKw
Waft-to-Start Ignition On
Light 12V Supply
E5 #20 DG/WT J2A #14 DB
* I
S20 #18
L B
Air Heater Controller
(Electronic Control
Module)
Thermistor
J9B #18
BK
Pull-in Coil
S21 YEL/BK.
Starter Relay
S2A #18
Y E L
Pull-in Coll
S22 ORN/BK