Cadillac 60 Series 1963 Shop Manual page 591

16-122
BODY
SIX-WAY ELECTRICAL CIRCUIT DIAGNOSIS CHART
CONDITION
Seat adjuster motor does not
operate.
Seat adjuster motor operates,
but seat adjusters are not
actuated.
or
Seat adjuster motor operates,
front edge of seat moves up
and down and seat moves for-
ward and rearward. The rear
edge of s e a t cannot be
operated.
Seat adjuster motor operates
and seat adjusters move front
and rear edge of seat up and
forward but will not move the
seat down and rearward.
or
Seat adjuster motor operates
and seat adjusters move front
and rear of seat down and
rearward, but will not move
the seat up and forwwrd.
CAUSE
1. Short or open circuit be-
tween power s o u r c e or
switch and motor.
2. Defective motor.
1. Short or open circuit be-
tween switch and affected
solenoid.
2. Defective solenoid.
1. Short or open circuit be-
tween one of the motor field
w i r e s and s e a t control
switch.
2. Defective field coil in
motor.
CORRECTION
1. Check circuit from power
source and switch to motor
to locate failure.
2. Check motor. If defective,
r e p a i r or replace as
required.
1. Check circuit from switch
to solenoid to locate failure.
2. Check solenoid. If defec-
tive, repair or replace as
required.
1. Check circuit between af-
fected motor field wire and
seat switch.
2. Check motor. If defective,
r e p a i r or r e p l a c e as
required.