TROUBLESHOOTING
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 1C-23
SOLENOIDS DO NOT CLICK
Cause Special Instructions
Pump negative battery cable loose,
corroded or damaged.
Check cable 13 for damage or a loose or
corroded connection.
Mode switch wiring harness connector
is loose at pump.
Secure connection 47.
Faulty thermal circuit breaker in pump
motor.
Connect a jumper wire between
terminals 1 and 7. If pump now
operates, circuit breaker is faulty and
field and frame assembly must be
replaced.
Open circuit in mode switch wiring
harness.
With ignition switch in RUN position
and mode switch in MANUAL mode,
check for voltage at terminal 8 while
trimming UP and terminal 12 while
trimming DOWN. If no voltage is
indicated, refer to items 5 and 6
immediately following.
No power to mode switch.
Check for voltage at terminal 25 (with
ignition switch in RUN position). If no
voltage is indicated, check power lead
for a poor connection.
Faulty mode switch.
Check for voltage at terminal 24 (with
mode switch in AUTO mode) and
terminal 26 (with switch in the
MANUAL mode). Replace switch if no
voltage is indicated.
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