Intermittent wipers question
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Senior User
Joined: Feb 2012
Posts: 105
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From: Eureka, CA
Intermittent wipers question
My intermittent wipers are suddenly no longer intermittent wipers. When the wiper switch is turned to the left, the wipers are on steady low speed. Is the switch bad?
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 784
From: Simi Valley, CA
Originally Posted by LITTLE BLACK TRUCK
I didn't think any dentside had intermittant wipers? My F100 has a constant low and constant high. 
D1OZ-17A553-A .. Intermittant Wiper Switch (Motorcraft SW-1010) / Obsolete
Applications: 1973/79 F100/350 / 1978/79 Bronco // 1971 Fairlane/Torino.
BURNS FORD in Burns OR has 1 = 541-573-7278.
WESLEY OBSOLETE PARTS in Liberty KY has 4 = 606-787-5293.
GREEN SALES CO. in Cincinnati OH has 10 = 800-543-4959.
CARPENTER NOS OBSOLETE PARTS in Concord NC has 87 = 800-476-9653.
VINTAGE PARTS in Beaver Dam WI has 110 = 877-846-8243.
----------------------------------------------------------
D3TZ-17C476-A (replaced D7TZ-17C476-A & D1ZZ-17C476-A) .. Intermittant Wiper Governor / Obsolete
Applications: 1973/77 F100/350 / 1971/73 Mustang/Cougar.
No Ford Dealer or obsolete parts vendor has any.
D7TZ-17C476-A =
NOS PARTS SOURCE in Olathe KS has 1 = 913-220-5746.
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Also, another thing to check is the ground between the switch and the dash. The switch must be grounded or the delay function won't work. The original switch grounds through it's connection at the metal dash.
The replacement switch will have a separate wire for the ground (Later models had plastic dashes).
The replacement switch will have a separate wire for the ground (Later models had plastic dashes).
Post Fiend
Joined: Dec 2007
Posts: 8,521
Likes: 16
From: Lost
If the switch or governor needs replaced, the 80+ units can also be used. The separate 2 wire plug (washer) on the truck's wiring may have to be reversed or swap the wires in the plug. Otherwise, it's fully plug and play.
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