RepairPal Certified shops can diagnose and repair your 1997 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
The tan wire at the headlight switch brings power to the head light low beam circuit through the under hood electrical center wires remain tan in color through out the circuit. Quickest cheapest test is plug in a new bulb and see if it works.