What fuse powers the stop lamp circuit in this diagram?

A 15A fuse in position 13 of the Junction Box Fuse/Relay Panel (Page 13-9), hot at all times, feeding circuit 10 LG/R to the Brake On/Off switch.

What wire color is the main stop lamp feed after the brake switch?

Circuit 511, light green (LG), which distributes from splice S231 to the stop lamps, trailer brake control, GEM, PCM, RABS, 4WABS, RAP module, and other components.

How does the high-mount stop lamp wiring differ by build date?

Vehicles built after 6-24-96 use a Center Cargo/High Mount Stop Lamp through connectors C416M/C416F and C912; vehicles built before 6-24-96 use a Cargo High Mount Stop Lamp through C416M/C416F. Both ground on circuit 57 BK at G200.

What does the Brake On/Off (BOO) switch do?

Per the diagram note, it closes when the brake pedal is depressed, allowing current to flow to operate the stop lamps.

Which modules receive the 511 LG brake signal?

The Trailer Electronic Brake Control, Remote Anti-theft Personality (RAP) Module, Generic Electronic Module (GEM), Shift Lock Actuator, RABS module, Powertrain Control Module (PCM), 4WABS module, and the Clutch Pedal Position (CPP) switch/jumper.

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1997 Ford F-150 Turn/Stop/Hazard Lamps Wiring Diagram 090-003 (BOO Switch)

Turn/stop/hazard lamps wiring diagram 090-003 with brake switch, modules and high mount stop lamp

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Automotive wiring diagram for turn, stop and hazard lamps showing the brake on/off switch, control modules and high mount stop lamp with color-coded circuits.

AI caption April 2009 · Photo 849 of 4867

This is page 090-003, "Turn/Stop/Hazard Lamps," from a Ford factory wiring diagram set. It traces the brake lamp circuit from a 15A fuse (position 13) in the Junction Box Fuse/Relay Panel through the Brake On/Off (BOO) switch, which closes with brake pedal depression to power circuit 511 (light green, LG) at splice S231. From there the 511 LG circuit branches to numerous components: the Trailer Electronic Brake Control (via C232F/C232M), the center cargo/high-mount stop lamp (with different connectors and lamps for vehicles built before vs. after 6-24-96, grounding at G200 via circuit 57 BK), the Remote Anti-theft Personality (RAP) Module, the Clutch Pedal Position (CPP) switch/jumper, the Generic Electronic Module (GEM), the Shift Lock Actuator, the Rear Anti-Lock Brake System (RABS) module, the Powertrain Control Module (PCM), and the 4-Wheel Anti-Lock Brake System (4WABS) module. It also shows the RABS data link connector wiring (circuits 571 BK/O and 483 R) and connectors such as C159, C198, C203, C206, C416, and C424. Readers can learn the wire colors, circuit numbers, connector IDs, splice points, and cross-referenced diagram pages for the stop lamp circuit.

This document covers 1996-1997, which may differ from this 2007 Ford Mustang.

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Frequently asked questions

What fuse powers the stop lamp circuit in this diagram?: A 15A fuse in position 13 of the Junction Box Fuse/Relay Panel (Page 13-9), hot at all times, feeding circuit 10 LG/R to the Brake On/Off switch.
What wire color is the main stop lamp feed after the brake switch?: Circuit 511, light green (LG), which distributes from splice S231 to the stop lamps, trailer brake control, GEM, PCM, RABS, 4WABS, RAP module, and other components.
How does the high-mount stop lamp wiring differ by build date?: Vehicles built after 6-24-96 use a Center Cargo/High Mount Stop Lamp through connectors C416M/C416F and C912; vehicles built before 6-24-96 use a Cargo High Mount Stop Lamp through C416M/C416F. Both ground on circuit 57 BK at G200.
What does the Brake On/Off (BOO) switch do?: Per the diagram note, it closes when the brake pedal is depressed, allowing current to flow to operate the stop lamps.
Which modules receive the 511 LG brake signal?: The Trailer Electronic Brake Control, Remote Anti-theft Personality (RAP) Module, Generic Electronic Module (GEM), Shift Lock Actuator, RABS module, Powertrain Control Module (PCM), 4WABS module, and the Clutch Pedal Position (CPP) switch/jumper.