Those wires should be in the same harness that has the brake light switch wires and the brake pressure differential switch wire. The windshield washer wires should be white with a black stripe and black.
John
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.