Headlight Switch
WARNING: This page is about a different car, the 1995 Oldsmobile Cutlass Cruiser and 1995 Oldsmobile Cutlass Ciera. However, it is still accessible from the selected car via links, so may be relevant.
With headlights off, no voltage should be present at headlight switch terminal "D" (Yellow wire). With headlights on, battery voltage should be present at headlight switch terminal "D" (Yellow wire).