LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1987 >> Spectrum Express >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> Testing >> Headlight Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Headlight Switch

  1. To check headlight switch, remove switch from dash panel. Using an ohmmeter, measure continuity between terminals as follows:
  2. With headlight switch off, there should be no continuity between terminals. When switch is in parking light position, continuity should exist between Green/Red and Green/White wire terminals.
  3. When switch is in headlight position, continuity should exist between Green/Red and Green/White wire terminals, Red/Blue and Red/Black wire terminals and between Red and Black wire terminals.