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Headlight Switch Test

With headlight switch disconnected from harness connector, check for continuity between each pair of switch terminals listed in the HEADLIGHT SWITCH CONTINUITY  table. Replace switch if continuity is not as specified. See Fig 1 .

Fig 1: Identifying Headlight Switch Terminals
G92F03534Courtesy of FORD MOTOR CO.
HEADLIGHT SWITCH CONTINUITY

Terminal Pair Specification
B1-B3
Off Continuity
Park Continuity
Headlight Continuity
B1-H
Off No Continuity
Park No Continuity
Headlight Continuity
B2-R
Off No Continuity
Park Continuity
Headlight Continuity
DN-I
Off No Continuity
Park Continuity
Headlight Continuity
DN-IGN
Off Continuity
Park No Continuity
Headlight No Continuity
Except B1-B3, B1-H, B2-R, DN-I & DN-IGN
Off No Continuity
Park No Continuity
Headlight No Continuity