Headlight Switch Test

NOTE: If only headlights are inoperative, check dimmer switch for proper operation and battery voltage before removing headlight switch. Daytime Running Lights testing is NOT included in this article.

Ensure all bulbs and fuses are good before proceeding. Remove headlight switch. See HEADLIGHT SWITCH.
Test headlight switch positions for continuity using applicable chart. See Fig 1-3.

Fig 1: Testing Continuity of Headlight Switches (1 of 3)

Courtesy of FORD MOTORS CO.

Fig 2: Testing Continuity of Headlight Switches (2 of 3)

Courtesy of FORD MOTORS CO.

Fig 3: Testing Continuity of Headlight Switches (3 of 3)

Courtesy of FORD MOTORS CO.