Ignition Switch Test; Bench Testing Starter Solenoid - Dodge D150 1990 Service Manual

Rear wheel drive ram truck

Table of Contents

BATTERY/STARTING/CHARGING SYSTEMS DIAGNOSTICS

SOLENOID TERMINAL'

Fig. 10 Relay Test with One Jumper Wire

and i f engine cranks starter relay is good, however,

transmission l i n k a g e is o u t of adjustment or safety

n e u t r a l s w i t c h is defective. I f engine does not c r a n k

starter relay is defective and m u s t be replaced.

SOLENOID TERMINAL

TO STARTER FIELD

B A T T E R Y ®

Fig. 11 Relay Test with Two Jumper Wires

After t e s t i n g starter solenoid a n d relay a n d they

check o u t okay, trouble is probably w i t h i g n i t i o n

switch or i t s w i r i n g .

Check a l l w i r i n g for opens and shorts and connec-

tions for being loose or corroded.

Refer to Group 8 B - B a t t e r y Starter Service for

starter removal procedures.

(1) Disconnect field coil w i r e f r o m field coil t e r m i -

n a l (Fig. 12).

STARTER MOTOR

Fig. 12 Field Coil Wire Terminal

(2) Check for c o n t i n u i t y between solenoid t e r m i n a l

coil t e r m i n a l w i t h a c o n t i n u i t y tester.

There should be c o n t i n u i t y (Fig. 13).

Fig. 13 Continuity Test Between Solenoid Terminal

and Field Coil Terminal

(3) Check for c o n t i n u i t y between solenoid t e r m i n a l

and solenoid housing. There should be c o n t i n u i t y

Fig. 14 Continuity Test Between Solenoid Terminal

and Solenoid Case

(4) I f there is c o n t i n u i t y solenoid is good. I f there is

no c o n t i n u i t y i n either test solenoid has a n open cir-

cuit and is defective. Replace solenoid assembly.

(5) I n s t a l l starter as described i n Group 8B - B a t -

tery Starter Service.

(6) Connect field coil w i r e to field coil t e r m i n a l