The two-pin electrical connector is used in various locations in both early and late vans. If you need a 2 pin square connector then this probably the connector for you.

Here are some of the locations this is used in the Van:
Coolant level sensor 1983.5 through early1990
Fuel tank sending unit
Windshield washer pump
Cruise control
Brake fluid level sensor
Misc in dash

Ref ID: 443906231

Comes complete with pins.