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Old 02-19-2020, 03:42 PM   #13
Katrina/10
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Join Date: Oct 2010
Location: Ocean Springs, MS
Posts: 1,746
Re: 77 Bonanza Windshield Washer Spray Pump?

Quote:
Originally Posted by LBJ View Post
I'm not exactly sure how the total mechanization is laid out, but on the first use, I just hit the button a few times till it begins spraying. So, not sure if it's that the button needs TWO bumps to start it or not. I'd just as soon have it run continuously as long as the button is held depressed. And, I suppose you could just hack the wiring and run the wires DIRECTLY to the PUMP MOTOR itself and that would run the motor until you released the button.

The original method of the 1977 design was pretty goofy. Seemed a rather Rube Goldberg operation! Needless complicated.

While you have the old spray setup off the wiper assembly, put some new grease on the wiper motor "worm gear" and it will run better and longer.
I finally bought one of the same pumps you did, and it seems to work great so far. Do you have a picture of how your washer hoses are run from the pump to the nozzles? I took mine off because the pump was broken, and don't remember how they went under the hood.
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1971 Chevrolet C/10
1951 GMC 100
1977 GMC C15
1955 Chevrolet 3100
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