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chaning a 2 speed wiper to 3 speed

Started by 69 b body, April 29, 2013, 03:46:55 PM

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69 b body

did anyone change a 2 speed wiper to a 3 speed and how did you wire the 3 speed switch thank you

resq302

I did.  You have to change more than just the motor though.  you have to change the pivot arm that is attached to the motor and the plastic cog that goes onto the wiper arm linkage which attaches to the wiper motor.  On top of that, you need a 3 speed wiper motor switch which should have all the wires already on the dash harness unless someone chopped them out.
Brian
1969 Dodge Charger (factory 4 speed, H code 383 engine,  AACA Senior winner, 2008 Concours d'Elegance participant, 2009 Concours d'Elegance award winner)
1970 Challenger Convert. factory #'s matching red inter. w/ white body.  318 car built 9/28/69 (AACA Senior winner)
1969 Plymough GTX convertible - original sheet metal, #'s matching drivetrain, T3 Honey Bronze, 1 of 701 produced, 1 of 362 with 440 4 bbl - auto

Nacho-RT74

switch is a plug and play job... prongs disposition is the same... rest was already covered up
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

resq302

If I remember correctly, there was one additional wire that was alone in the harness that was used for a 3 speed vs the standard 2 spd.  Something like a black or a brown wire. 
Brian
1969 Dodge Charger (factory 4 speed, H code 383 engine,  AACA Senior winner, 2008 Concours d'Elegance participant, 2009 Concours d'Elegance award winner)
1970 Challenger Convert. factory #'s matching red inter. w/ white body.  318 car built 9/28/69 (AACA Senior winner)
1969 Plymough GTX convertible - original sheet metal, #'s matching drivetrain, T3 Honey Bronze, 1 of 701 produced, 1 of 362 with 440 4 bbl - auto