2002 Lincoln Town Car Logo

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Austin
Austin Posted on Jun 29, 2017
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Winsheild wiper will not work

I have replaced wiper motor twice. After each replacement the wipers work fine until about two or three months then they start to wipe at a slower rate ( in all modes slow, med, fast etc) . Then after a couple more weeks of the sluggish use they stop working all together. **Also, after the second replacement when i push in the wiper fuild button to clean windshield the wipers will NOT turn off until the car is turned off completely. *****

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Jeff Armer

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  • Lincoln Master 15,575 Answers
  • Posted on Jun 29, 2017
Jeff Armer
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Joined: Nov 22, 2012
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The wiper control module is probably at fault ,without test that is just a guess . The wiper/washer switch is a input to the wiper control module. Do you know anything about automotive electronics an electrical systems ?

  • The Wipers are Inoperative
  • Fuse.
  • Wiper motor.
  • Multi-function switch.
  • Circuitry.
  • Wiper control module.
  • GO to Pinpoint Test B .

Voltage drop testing the power an ground circuits for the wiper control module would be a good place to start . Do you know how to test electrical circuits with a volt meter ?
PINPOINT TEST B: THE WIPERS ARE INOPERATIVE CONDITIONS DETAILS/RESULTS/ACTIONS B1 CHECK FUSE JUNCTION PANEL FUSE 16 (30A)
Fuse 16 (30A)

  • Is the fuse OK?
Yes GO to B2 .

No REPLACE the fuse. TEST the system for normal operation. If the fuse fails again, CHECK for a short to ground. REPAIR as necessary. B2 CHECK FOR VOLTAGE TO THE WIPER CONTROL MODULE - CIRCUIT 65 (DG)
Wiper Control Module C294
Measure the voltage between wiper control module C294-2, circuit 65 (DG), and ground; and between wiper control module C294-11, circuit 65 (DG), and ground.
  • Is the voltage greater than 10 volts?
Yes GO to B3 .

No REPAIR circuit 65 (DG). TEST the system for normal operation. B3 CHECK CIRCUIT 57 (BK) FOR OPEN Measure the resistance between wiper control module C294-3, circuit 57 (BK), and ground; and between wiper control module C294-5, circuit 57 (BK), and ground.
  • Are the resistances less than 5 ohms?
Yes GO to B4 .

No REPAIR circuit 57 (BK). TEST the system for normal operation. B4 CHECK THE MULTI-FUNCTION SWITCH
Multi-Function Switch
Check the multi-function switch; refer to Section 211-05 .
  • Is the multi-function switch OK?
Yes GO to B5 .

No REPLACE the multi-function switch; REFER to Section 211-05 . TEST the system for normal operation. B5 CHECK CIRCUIT 993 (BR/W) FOR OPEN Measure the resistance between multi-function switch C269-4, circuit 993 (BR/W), and wiper control module C294-7, circuit 993 (BR/W).
  • Is the resistance less than 5 ohms?
Yes GO to B6 .

No REPAIR circuit 993 (BR/W). TEST the system for normal operation. B6 CHECK CIRCUIT 589 (O) FOR OPEN Measure the resistance between multi-function switch C269-1, circuit 589 (O), and wiper control module C294-1, circuit 589 (O).
  • Is the resistance less than 5 ohms?
Yes GO to B7 .

No REPAIR circuit 589 (O). TEST the system for normal operation. B7 CHECK THE WIPER CONTROL MODULE OUTPUT FOR VOLTAGE
Wiper Control Module C294

Wiper Motor C152
Turn the multi-function switch to the HI position. Measure the voltage between wiper motor C152-4, circuit 57 (BK), and wiper motor C152-3, circuit 56 (DB/O).
  • Is the voltage greater than 10 volts?
Yes REPLACE the wiper motor; REFER to Motor-Windshield Wiper . TEST the system for normal operation.

No GO to B8 . B8 CHECK CIRCUIT 57 (BK) FOR OPEN Measure the resistance between wiper motor C152-4, circuit 57 (BK), and ground.
  • Is the resistance less than 5 ohms?
Yes REPLACE the wiper control module; REFER to Module-Windshield Wiper . TEST the system for normal operation.

No REPAIR circuit 57 (BK). TEST the system for normal operation.

5 Related Answers

Anonymous

  • 33 Answers
  • Posted on Jan 08, 2009

SOURCE: wipers stopped working 1992 towncar

Hi
Did you replace the wiper motor switch with a new or second hand on as I see this a lot & 95% of the time it is the switch it may need cleaned or you may have a dead wire that power the switch
Paul

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Anonymous

  • 1986 Answers
  • Posted on Oct 08, 2009

SOURCE: Windshield wipers get slow and then quit.

It sounds like your wiper motor is dying

Anonymous

  • 22 Answers
  • Posted on Nov 03, 2009

SOURCE: how do i replace the windshield wiper motor on a

check the diagram 4 ur car there is a clip in the motor sum times they fall out u just have to replace them

Anonymous

  • 55 Answers
  • Posted on Jul 18, 2010

SOURCE: fuse for windshield wiper motor

It may be the windshield wiper module instead of being the motor, since you have had that replaced 3x already. There should be no fuse issue.

Billy Kazy

  • 2 Answers
  • Posted on Jun 07, 2011

SOURCE: I changed out wiper motor,

i hve the same problem

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