Cadillac 60 Series 1963 Shop Manual page 578

BODY
16-109
6. Checking the Relay Assembly
a. Disconnect three leads from relay assembly.
These are the wires leading from motor to relay.
b. Connect one end of a jumper wire to one of
the motor field feed studs on relay and ground
other end of jumper wire.
c. Connect one light tester lead to motor ar-
mature feed stud on relay and ground other tester
lead.
d. With jumper wire, energize field stud which
is not grounded. CAUTION: Do not energize
grounded side. If tester does not light, the relay
is defective.
7. Checking the Motor Assembly
a. Disconnect motor field feed wires from
motor.
b. Connect one end of a #12 gage jumper wire
to battery positive pole and other end to one of
the motor field and armature wires.
c. If motor does not operate, motor is defec-
tive. Check the remaining motor field wire in
same manner.
8. Checking Wires Between Switch and Solenoids
a. Disconnect harness connector from trans-
mission assembly.
b. Connect one light tester lead to one terminal
of power feed and ground other light tester lead
to body metal.
c. Operate switch to wire being tested. If tester
does not light, there is no current at end of har-
ness wire. Failure is caused by an open or short
circuit between end of wire and switch or defec-
tive switch.
d. Check other wire in same manner.
NOTE: One wire in connector is a blank.
Check wiring diagram for colors of wires ac-
tually used.
9. Checking the Solenoid
a. Check solenoid ground strap attachment for
proper ground.
b. Connect one end of a #12 gage jumper wire
to battery positive pole and other end to lead of
solenoid being checked.
CAUTION: To prevent damaging solenoid,
do not energize solenoid for more than one
minute.
c. Operate switch to actuate adjuster motor
and solenoid being checked.
d. If adjusters do not operate and there is no
mechanical failure of the adjusters, solenoid is
defective.
NOTE: If solenoid is functioning properly,
a "click" may be heard when solenoid plunger
operates.
102. Typical Electrical Failures
of Four-Way Power Seats
Typical failures and corrections are listed on
the chart below to assist in eliminating electrical
failures in the four-way electric seat circuit.
TYPICAL ELECTRICAL FAILURES OF FOUR-WAY POWER SEATS
CONDITION
Seat adjuster motor does not
operate.
1.
2.
4.
5.
CAUSE
Short or open circuit be-
tween power source or
switch and motor.
Defective motor relay.
Defective motor.
Defective switch.
Defective circuit breaker.
1.
2.
4.
5.
CORRECTION
Check circuit from power
source and switch to motor
to locate failure.
Replace relay.
Check motor. If defective,
r e p a i r or r e p l a c e as
required.
Replace switch.
Replace circuit breaker.