1993 Ford Crown Victoria Malfunction - Electrical & Lighting Systems

Question: Nov 13/03 9:22AM: My 1993 CV has a problem with its windshield wipers, they will often hesitate and stop when I am using the intermittant switch, put they will also hesitate when I turn them on and off. It seems to do this more when cold. The switch makes a clicking sound when I turn the wiper switch, there also seems to be a clicking noise at the same time from the dashboard, like a module. The wiper moter seems to work finem and I had the goveror replaced because the wipers were getting quite loud. If it is a defective switch do you need to replace the whole blinker arm? or is there a module I can try to replace 1st? Thanks for you help. Tom"

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Technican: Hello, The 1993 model has an Internal Governor that receives signal from the Multi-Function Switch to control wiper and washer motor functions. Yes, if you determine the switch to be at fault the whole switch is replaced as an assembly.

Owner: Is there away that I can determine that the stalling of the wipers is being caused by the switch? or maybe another part? What does this problem or clicking noise sound like? Has anyone ever seen a similar problem? Tom

Technican: When the wipers "stall" (condition is present)... if moving the lever arm the switch is on (without rotating the wiper contol switch) causes an effect, there may be a connection within the switch assembly that is failing. The click you hear when the wipers are activated may be the "Park" switch in the motor case coming "ON" so that wipers may run without parking either in delay or a selected speed. When turned "OFF", the wiper motor park switch is de-energized and spring loaded to take a mechanical position to cause the wiper arms to park and the motor to stop. Try lightly tapping on the wiper motor case when it has stalled. You won't cause any shock to the switch on the steering column and if the motor restarts, there may be bearings or brushes in the motor case that are failing. A new motor would be the fix in such a senerio.

Owner: One last question, how many components (things that would have to be replaced) are there to these wipers, the wiper motor and the switch assembly, this there other components that from an electrical standpoint run this? Thanks Tom

Technican: Tom, You stated that you had replaced the governor. Did you find this part under the dash, right of the steering column and mounted on the same bracket as the seatbelt chime? There is a number on this box that starts with the Ford Part Base number of 17C476. If that is what you replaced, we need to go elsewhere for a fix. If you did not replace this box, that is where we need to be right now. Ford has more failures of this box than the other parts in the wiper system.

Owner: Is there a name for that part? 17c476? Thnaks Tom

Technican: Sir, that part is indeed the "Internal Governor" for the windshield wiper system. There will be more to the part number than the 17C476 but that is how the number starts out (base). It's about $ 75-80 U.S. at a Ford Dealer.

Technican: What is happening here, please? Have I provided the help you were seeking? Please advise.

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1993 Ford Crown Victoria Malfunction - Electrical & Lighting Systems

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