1947 1948 1949 1950 1951 1952 1953 Electric Wiper Motor Chevy GMC Pickup Truck . Condition is Used.
Untested for a 1948 gmc 300 i do not know the voltage

welcome and thanks for looking here we are offering to u just what u see in the pics so look close to determine items condition and value and to see if it will meet your needs thanks 

also open to fair offers 
  REMEMBER THAT PICTURES ARE 99% OF ITEM CONDITION AND DISCRIPTION SO LOOK REAL CLOSE BEFORE U BUY PLEASE 

 not a 100 % sure on makes and models of application so look close