Dodge Wiper Switch replacement for Avanti
   From AOAI Issue #92, pp23  by Dave Simon

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 ( 1970 - 1971 Dodge Dart / Valiant 2-dr. HT, 4-dr. and fastback
  variable speed with windshield washer control

  Part # 277038
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Crossover Wiring

   Avanti                  Dodge

Post  Color               Color    Post

P    Black   -------->  Brown/White  A
-    Blue    -------->  Blue/Blue    P
F2   Yellow  -------->  Green        F2
F1   Red     -------->  Red          F1
B    Purple  -------->  Pink/Purple  -
                        Brown/Red  ---------> washer pump motor

As noted, the Dodge shaft must be cut off a bit, but leave extra 
to allow the washer function to be utilized.  Use the Avanti knob