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Old 05-03-2024, 10:06 PM   #1
72 Cheyenne K20
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Join Date: Feb 2003
Location: Staunton, Virginia
Posts: 554
Wiper Delay Module ID Help & WIW

Hey guys, I have a wiper module that I purchased & restored for my 1980 Jimmy. Hooked it up and it doesn’t seem to want work correctly. I did some research & this one is not the correct wiper delay for a 1980. It has a part number stamped on the back of 459485.

Can anyone tell me what years this version is for & what it’s possibly worth?

Any help is greatly appreciated.

Thanks Scott
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Old 05-11-2024, 09:14 PM   #2
ray_mcavoy
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Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,366
Re: Wiper Delay Module ID Help & WIW

#459485 shows up in the GM parts catalog as a 1978 pulse wiper controller. The parts history catalog shows that it was superseded by #14056557 which is the controller listed for 1979 to 1982. Parts history also shows #14056557 was superseded by #15598419 which is the controller for 1983.

That would seem to indicate the 1978 through 1983 control modules are all be compatible and interchangeable with one another. So the one you have is probably just defective as opposed to being incorrect for the year.
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