Where is the inertia fuel shutoff (IFS) switch connector on a 1994 Thunderbird/Cougar?

Connector C438, the Inertia Fuel Shutoff (IFS) Switch, is shown in the rear of the vehicle near the trunk area, at roughly grid columns 6-7 near the lower portion of the body illustration.

What connectors serve the rear window defrost grid?

The diagram labels C442 Rear Window Defrost Grid and C447 Rear Window Defrost Grid as the two connectors for the rear defrost grid.

Which connectors are for the radio and subwoofer amplifiers?

C413 and C414 are the Radio Amplifier connectors, and C421 and C422 are the Subwoofer Amplifier connectors, all located in the trunk area near the subwoofer speaker.

What is C410 on this diagram?

C410 is the Fuel Filler Door Release Solenoid connector, located at the right rear of the vehicle.

Which ground point is shown on this page?

Ground G303 is shown at the right rear of the vehicle body.

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1994 Ford Thunderbird & Mercury Cougar Body Connector Location Diagram (17/18)

Electrical connector location diagram on Thunderbird-Cougar body, full body view 17 of 18

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Electrical connector and component location diagram on a Thunderbird-Cougar body showing speaker, lamp, and restraint connectors.

AI caption April 2008 · Photo 19 of 86

This document is page 17 of 18 from the Ford Thunderbird / Mercury Cougar full-body electrical component locator set (reference FPS-12116-94). It is a cutaway illustration of the rear half of the vehicle body overlaid with a grid (columns 1-10, rows A-F) showing the physical locations of electrical connectors, grounds, lamps, switches, and audio components. Labeled items include interior connectors such as C270 fog lamp switch, C201 park brake switch (with console only), C322 PRNDL lamp, C323 ashtray lamp, C317 seat switch, C273 ride select switch, C318 seat belt switch, and C305; door and rear-area items such as C511 left front door speaker, C611 right front door speaker, C311 left rear courtesy lamp, C416 right rear courtesy lamp, C450 left rear speaker, and C451 right rear speaker; and trunk-area components including C442/C447 rear window defrost grid connectors, C438 inertia fuel shutoff (IFS) switch, C410 fuel filler door release solenoid, C413/C414 radio amplifier, C421/C422 subwoofer amplifier, the subwoofer speaker, C461 luggage compartment lamp switch, ground G303, and connectors C306 and C460. A boxed caution states the illustration and grid must not be used for reporting vehicle repair locations. A reader can use this page to find where each connector or component physically sits in the body.

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Frequently asked questions

Where is the inertia fuel shutoff (IFS) switch connector on a 1994 Thunderbird/Cougar?: Connector C438, the Inertia Fuel Shutoff (IFS) Switch, is shown in the rear of the vehicle near the trunk area, at roughly grid columns 6-7 near the lower portion of the body illustration.
What connectors serve the rear window defrost grid?: The diagram labels C442 Rear Window Defrost Grid and C447 Rear Window Defrost Grid as the two connectors for the rear defrost grid.
Which connectors are for the radio and subwoofer amplifiers?: C413 and C414 are the Radio Amplifier connectors, and C421 and C422 are the Subwoofer Amplifier connectors, all located in the trunk area near the subwoofer speaker.
What is C410 on this diagram?: C410 is the Fuel Filler Door Release Solenoid connector, located at the right rear of the vehicle.
Which ground point is shown on this page?: Ground G303 is shown at the right rear of the vehicle body.