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Ford Headlamp Switch Continuity Diagram - Off, Autolamp, Park, Fog Positions

Five headlight switch contact-block diagrams showing electrical connections for each switch position
Five headlight switch contact-block diagrams showing electrical connections for each switch positionOriginal file
Five headlight switch contact-block diagrams showing electrical connections for each switch position

Headlight switch internal contact diagrams showing electrical connections in Off, Autolamp, Parking, Headlamp, and Headlamp w/Foglamp positions.

Part of 2005-2014 Ford Mustang Wiring Diagrams

AI caption · Photo 817 of 4866

This document is a switch continuity diagram, most likely for a headlamp/light switch, showing the internal electrical connections of a multi-terminal switch connector in five different switch positions. The connector face is drawn five times with terminals numbered 2, 5, and 6 in the top row and 7 through 12 in the bottom row. In the "Off" position, no terminals are connected. In the "Autolamp" position, terminals 7 and 8 are bridged. In the "Parking Lamp" position, terminals 10, 11, and 12 are connected together. In the "Headlamp" position, terminals 8 and 9 are connected, and terminals 10, 11, and 12 are connected together. In the "Headlamp w/Foglamp" position, all headlamp-position connections are present (8-9 and 10-11-12), plus an additional bridge between terminals 2 and 5 for the foglamps. A reader can use this chart to bench-test a light switch with an ohmmeter/continuity tester by verifying which pins should show continuity in each detent, helping diagnose a faulty switch versus a wiring problem. The document contains no year, make, model, part numbers, wire colors, or amperage data, only terminal numbers, connection paths, and position names.

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Frequently asked questions

Which switch terminals are connected in the Autolamp position?
In the Autolamp position, terminals 7 and 8 are connected together; no other connections are shown.
Which terminals have continuity in the Parking Lamp position?
Terminals 10, 11, and 12 are connected together in the Parking Lamp position.
What connections are made in the Headlamp position?
Terminals 8 and 9 are connected, and terminals 10, 11, and 12 are connected together.
What changes when the switch is in the Headlamp with Foglamp position?
In addition to the Headlamp-position connections (8-9 and 10-11-12), terminal 2 is connected to terminal 5.
Are any terminals connected when the switch is Off?
No. The 'Electrical Connections in Off' diagram shows no connections between any terminals.

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