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Headlight Switch

Remove headlight switch. Check continuity between appropriate terminals with switch in specified position. See HEADLIGHT SWITCH TEST  table. See Fig 1 and Fig 2 . If continuity or resistance is not as specified, replace headlight switch.

HEADLIGHT SWITCH TEST

Switch Position Check Continuity Between Terminals No. Continuity
Autolamp Circuit
Off (1) 7 & 8 No
Headlamp (1) 7 & 8 No
Park Lamp (1) 7 & 8 No
Autolamp On (1) 7 & 8 Yes
Dome Light Circuit
Off (2) 2 & 4 Yes
On (2) 2 & 4 No
Fog Light Circuit
Off (1) 2 & 5 No
On (1) 2 & 5 Yes
Headlight Circuit
Off (1) 9 & 8 No
Park (1) 9 & 8 No
Head (1) 9 & 8 Yes
Autolamp On (1) 9 & 8 No
Parking Lights Circuit
Off (1) 11 & 12 No
Park (1) 11 & 12 Yes
Head (1) 11 & 12 Yes
Autolamp On (1) 11 & 12 No
(1) Terminals listed are found in headlight switch connector C205a. See Fig 1.
(2) Terminals listed are found in headlight switch connector C205b. See Fig 2.
Fig 1: Identifying Headlight Switch Connector C205a Terminals
G00013158Courtesy of FORD MOTOR CO.
Fig 2: Identifying Headlight Switch Connector C205b Terminals
G00013159Courtesy of FORD MOTOR CO.
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