This is a NOS Delco Remy single speed windshield wiper control switch. GM #1993543

We no longer sell with the Delco Remy boxes. The old Delco Remy boxes were deteriorated badly. This is the last batch of windshield wiper switches we have.

Reported to fit the following Buick vehicles;
All 1959 models with 2 speed and washer.
All 1961-1962 models with washer
All 1964 models with washer