Rear Washer Pump (Hard Top) Connector End View

WARNING: This page is about a different car, the 2005 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

REAR WASHER PUMP (HARD TOP) - BLACK 2 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
A	Z913 18BK	GROUND
B	W20 18BR/YL	REAR WASHER MOTOR CONTROL