Remove master window/door lock switch. Check continuity between appropriate switch terminals with switch in appropriate position. See MASTER WINDOW/DOOR LOCK SWITCH TESTING (CONVERTIBLE) or MASTER WINDOW/DOOR LOCK SWITCH TESTING (COUPE) table. See Fig 1 or Fig 2 . If continuity does not exist between specified terminals, replace master window/door lock switch.

MASTER WINDOW/DOOR LOCK SWITCH TESTING (CONVERTIBLE)

Switch Position

⁽¹⁾ Continuity Between Terminals No.

Driver's Window

Down

6 & 15; 8 & 14

Neutral

6, 8 & 14

6 & 14; 8 & 15;

Passenger's Window

Down

7 & 14; 9 & 15

Neutral

7, 9 & 14

7 & 15; 9 & 14

Left Rear Window

Down

10 & 14; 12 & 15

Neutral

10, 12 & 14

10 & 15; 12 & 14

Right Rear Window

Down

11 & 14; 13 & 15

Neutral

11, 13 & 14

11 & 15; 13 & 14

Window Lock-Out Switch Locked

15 & 16

Door Lock Switch

Lock

2 & 5; 3 & 4

Neutral

⁽²⁾ 1 & 4; 2 & 5

Unlock

1 & 4; 2 & 3

⁽¹⁾	Continuity should never exist between terminals No. 14 and 15.

⁽²⁾	With door lock switches at rest, continuity should not exist between terminals No. 2 and 3 or between terminals No. 3 and 4.

MASTER WINDOW/DOOR LOCK SWITCH TESTING (COUPE)

Switch Position

⁽¹⁾ Continuity Between Terminals No.

Driver's Window

Down

6 & 12; 10 & 13

Neutral

6 & 12; 7 & 13

6 & 10; 7 & 13

Passenger's Window

Down

8 & 11; 14 & 15

Neutral

8 & 9; 14 & 15

8 & 9; 11 & 15

Door Lock Switch

Lock

2 & 5; 3 & 4

Neutral

⁽²⁾ 1 & 4; 2 & 5

Unlock

1 & 4; 2 & 3

⁽¹⁾	Continuity should never exist between terminals No. 9 and 11, between terminals No. 11 and 14, between terminals No. 7 and 10 or between terminals No. 10 and 12.

⁽²⁾	With door lock switches at rest, continuity should not exist between terminals No. 2 and 3 or between terminals No. 3 and 4.

Fig 1: Identifying Master Window/Door Lock Switch Terminals (Convertible)

Courtesy of FORD MOTOR CO.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Master Window/Door Lock Switch

Use the Manual With the Right Hardware

When to See a Mechanic

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