Solenoid Does Not Energize - Jeep J-10 Series 1982 Technical & Service Manual

Starter Motor General Diagnosis
SOLENOID DOES NOT ENERGIZE
TURN HEADLAMPS AND DOME LAMP
ON. TURN KEY TO START POSITION
STARTING SYSTEMS 1F-9
LAMPS DIM OR GO OUT
LAMPS STAY BRIGHT
CHECK BATTERY STATE-OF-CHARGE
SPECIFIC GRAVITY
BELOW 1.225
CHARGE BATTERY,
CHECK FOR DRAIN
AND CHECK
ALTERNATOR
LESS THAN 9.6 VOLTS
TEST BATTERY.
IF OK, REPAIR
STARTER MOTOR
0.5 VOLT OR MORE
CLEAN AND
TIGHTEN GROUND
CABLE CONN.
AND/OR REPLACE
CABLE
LESS THAN 9 VOLTS
CLEAN AND
TIGHTEN POS.
BATTERY CABLE
TERMINALS
AND/OR REPLACE
CABLE
SPECIFIC GRAVITY
ABOVE 1.225
TEST VOLTAGE
ACROSS BATTERY
POSTS
9.6 VOLTS OR MORE
TEST VOLTAGE FROM
ENGINE BLOCK TO
BATT. NEG. POST, KEY
IN START POSITION,
(POS. PROBE ON
BLOCK)
LESS THAN 0.5 VOLT
TEST VOLTAGE AT
SOLENOID BAT.
TERMINAL
9 VOLTS OR MORE
CHECK FUSIBLE
LINK AND DASH
CONNECTOR
TURN ON RADIO, HEATER AND TURN SIGNALS
OPERATE OK
CHECK CONNECTIONS
AND VOLTAGE AT
RELAY TERMINAL*
WITH KEY IN START
POSITION
7 VOLTS OR MORE
TEST VOLTAGE AT
SOLENOID S-TERMINAL
7 VOLTS OR MORE
REPAIR STARTER
MOTOR
7 VOLTS OR MORE
REPAIR WIRE FROM
IGNITION SWITCH TO
RELAY l-TERMINAL
DO NOT OPERATE
CHECK DASH
CONNECTOR.
FUSIBLE LINK
AND IGNITION
SWITCH
CONNECTIONS
LESS THAN 7 VOLTS
WITH KEY IN START
POSITION, TEST
VOLTAGE AT IGNITION
SWITCH TERMINAL
LESS THAN 7 VOLTS
REPLACE IGNITION
SWITCH
• TEST VOLTAGE AT STARTER MOTOR RELAY
(SOL-TERMINAL) BEFORE TESTING AT SOLENOID. ENSURE
NEUTRAL SAFETY SWITCH IS OK.
90564A