Front Wiper Motor
- Disengage wiper arm linkage from wiper motor. Disconnect wiper motor 6-pin connector. Using 20-amp fused jumper wire, connect battery positive terminal to wiper motor terminal No. 6. See Fig 1
.
- Using second jumper wire, ground wiper motor terminal No. 2. Motor should run at low speed. Disconnect jumper wire from terminal No. 2 and connect it to wiper motor terminal No. 1. Motor should run at high speed. If wiper motor operates as specified, go to next step. If wiper motor does not operate as specified, replace wiper motor.
- Reconnect wiper motor 6-pin connector. Turn ignition on. Cycle wipers until they reach fully parked position. Turn ignition off. Disconnect wiper motor 6-pin connector. Measure resistances between wiper motor terminals as indicated. See FRONT WIPER MOTOR RESISTANCE TEST
table. See Fig 1
. If resistances are as indicated, wiper motor is okay. If resistances are not as specified, replace wiper motor. See WIPER MOTOR
under REMOVAL & INSTALLATION.
FRONT WIPER MOTOR RESISTANCE TEST
| Front Wiper Position |
Terminals No. 5 & 6 |
Terminals No. 4 & 5 |
| Park |
Less Than 5 Ohms |
Greater Than 10 k/ohms |
| Run |
Greater Than 10 k/ohms |
Less Than 5 Ohms |
Courtesy of FORD MOTOR CO.