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DIAGNOSIS AND TESTING - FRONT WIPER CONDITIONS

The following is a list of general wiper motor system problems, the tests that are to be performed to locate the faulty part, and the corrective action to be taken. Whatever the problem, disconnect motor wire harness and clean the terminals, then connect motor wire harness and test. Refer to Wiring Diagrams for circuit information and connector call-outs.

MOTOR WILL NOT OPERATE ALL SWITCH
POSITIONS
(1) Check fuse 1, in the fuse block (Fig. 2).
(1 - FUSE 1 WIPER)
(a) If fuse is OK, go to Step 2.
(b) If fuse is defective, replace and check motor
operation in all switch positions.
(c) If motor is still inoperative and the fuse does
not blow, go to Step 2.
(d) If replacement fuse blows, go to Step 6.

(2) Disconnect motor harness connector.
(3) Check motor low speed. Using two jumper
wires, connect one jumper wire between the battery
positive terminal and terminal 4 of the motor connector.
Connect the other jumper wire to the battery
negative terminal and terminal 1 of the motor (Fig.
3). Check motor high speed, connect the positive
jumper wire to terminal 5 of the motor connector.
Connect the negative jumper wire to terminal 1 of
the motor.