2005 Ford F-150 WIPERS

Tiny
JOEAV55
  • MEMBER
  • 2005 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 38,000 MILES
GUYS. THE WIPERS IN MY TRUCK WONT TURN ON. TURN THE WIPER SWITCH TO FULL OR DELAY AND NADA. CHECKED THE FUSE AND ITS FINE.
WHERE DO I START?
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Saturday, October 3rd, 2009 AT 8:23 AM

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Tiny
MERLIN2021
  • EXPERT
Pinpoint Test A: The Wipers Are Inoperative Normal Operation Under normal operation the front wiper motor receives power through circuit 1671 (RD) and circuit 65 (DG). The front wiper motor is grounded through circuits 875 (BK/LB) and 57 (BK). The front wiper motor receives open and ground inputs from the multifunction switch through circuits 485 (PK/BK), 680 (LB/OG), 1300 (PK), and 1301 (YE) to activate the wipers to the appropriate speeds. Possible Causes Open in circuits circuit 65 (DG), 485 (PK/BK), 680 (LB/OG), 1300 (PK), 1301 (YE), or 1671 (RD). Inoperative multifunction switch. Inoperative wiper motor. PINPOINT TEST A: THE WIPERS ARE INOPERATIVE A1 CHECK CIRCUITS 65 (DG) AND 1671 (RD) FOR VOLTAGE Key in OFF position. Disconnect: Windshield Wiper Motor C125. Key in ON position. Measure the voltage between windshield wiper C125-5, circuit 1671 (RD), harness side and ground; and between windshield wiper motor C125-8, circuit 65 (DG), harness side and ground. Fig. 5: Checking Circuits 65 (DG) And 1671 (RD) For Voltage Courtesy of FORD MOTOR CO. Are the voltages greater than 10 volts? Yes : GO to A2. No : REPAIR the circuit(s) in question. TEST the system for normal operation A2 CHECK CIRCUITS 57 (BK) AND 875 (BK/LB) FOR OPENS Key in OFF position. Measure the resistance between windshield wiper C125-6, circuit 57 (BK), harness side and ground; and between windshield wiper motor C125-3, circuit 875 (BK/LB), harness side and ground. Fig. 6: -->Checking Circuits 57 (BK) And 875 (BK/LB) For Opens Courtesy of FORD MOTOR CO. Are the resistances less than 5 ohms? Yes : GO to A3. No : REPAIR the circuit(s) in question. TEST the system for normal operation.


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Are the resistances less than 5 ohms? Yes : GO to A6. No : REPAIR the circuit(s) in question. TEST the system for normal operation. A6 CHECK FOR CORRECT WIPER MOTOR OPERATION Disconnect the wiper motor connector. Check for: corrosion pushed-out pins Connect the wiper motor connector and make sure it seats correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : INSTALL a new windshield wiper motor. REFER to WINDSHIELD WIPER MOTOR . No : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. TEST the system for normal operation.
10/3/2009 ...
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Saturday, October 3rd, 2009 AT 9:59 AM

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