Cadillac 60 Series 1963 Shop Manual page 341

12-60
ELECTRICAL SYSTEM
WINDSHIELD WIPER AND WASHER DIAGNOSIS CHART (Cont'd)
CONDITION
Washer Inoperative.
Washer Pumps Continuously
When Wiper is "On".
Delay in Water Discharge
When Washer Button is Ac-
tuated.
Water Escapes from Washer
Nozzles on Sharp Turns.
Insufficient Water Spray from
Washer Nozzle.
CAUSE
Damaged, kinked, torn, or dis-
connected washer hose, or ob-
struction in hose.
No power supply to washer.
Defective dash switch.
Defective relay coil or poor
solder connections.
Defective valve assembly.
Washer unit mechanism bind-
ing.
Dash switch or wiring is
grounded.
Relay coil grounded.
Washer unit mechanism bind-
ing or slipping.
Defective washer valve outlet
assembly.
Defective washer valve outlet
assembly.
Windshield lower reveal mold-
ing interferes with water spray
(75 and Commercial Chassis).
Defective washer valve.
REMEDY
Repair or replace hose, or r e -
move obstruction.
Check circuit from power
source to washer.
Check dash switch as de-
scribed in Note 79b.
Replace relay coil or repair
connections.
Replace valve assembly.
Disassemble washer unit and
check for bent or worn parts.
Disconnect wiring from washer
pump. If washer stops, check
wiring and switch.
Repair or replace relay coil.
Disassemble washer unit and
check for bent or worn parts
or stripped tooth on ratchet
wheel.
Install new valve assembly.
Install new valve assembly.
Install rubber spacer between
transmission escutcheon and
outside air intake grille.
Replace.