Which fuses power the brake shift interlock circuit?

Two I/P fuse panel fuses: Fuse 10 (10A, hot in RUN) feeds the Brake Shift Lock Actuator via circuit 296 W/P, and Fuse 13 (15A, hot at all times) feeds the Brake On/Off (BOO) Switch via circuits 383 R/W and 10 LG/R.

What wire color runs from the brake switch to the brake shift lock actuator?

Circuit 511 LG (Light Green) runs from the Brake On/Off (BOO) Switch to the Brake Shift Lock Actuator, and also to the Brake Shift Lock Resistor.

What is the value of the brake shift lock resistor?

The Brake Shift Lock Resistor is shown as 390 ohms.

How is the brake shift lock actuator grounded?

Both the actuator and the resistor ground through circuit 57 BK (Black) wires that join at a splice before going to chassis ground.

Where can more details on this circuit be found?

The diagram states: 'See EVTM Cell 37 for more details of this circuit.'

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1996 Ford Bronco Brake Shift Interlock Wiring Diagram - BOO Switch & Actuator

Brake shift lock actuator circuit wiring diagram with fuse panel, switch and resistor

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Electrical wiring diagram of the brake shift lock circuit with fuse panel feeds, BOO switch, actuator and resistor.

AI caption July 2011 · Photo 82 of 224

This document is a Ford wiring diagram (diagram number D12572-C) for the brake shift interlock circuit, uploaded as applying to a 1996 Ford Bronco. It shows two power feeds from the instrument panel (I/P) fuse panel: Fuse 10 (10A, hot in RUN) supplying circuit 296 (White/Purple) directly to the Brake Shift Lock Actuator, and Fuse 13 (15A, hot at all times) supplying circuit 383 (Red/White) then circuit 10 (Light Green/Red) to the Brake On/Off (BOO) Switch. From the BOO switch, circuit 511 (Light Green) branches to both the Brake Shift Lock Actuator and a 390-ohm Brake Shift Lock Resistor. The actuator is drawn with an internal solid-state module, diodes, a resistor, and a solenoid coil. Both the actuator and resistor ground through circuit 57 (Black) wires that join at a splice before reaching chassis ground. A callout notes to see EVTM Cell 37 for more details of this circuit. A reader can learn the fuse locations and ratings, wire circuit numbers and color codes, component names, resistor value, and ground path for diagnosing brake shift interlock problems (e.g., a shifter that will not come out of Park).

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Frequently asked questions

Which fuses power the brake shift interlock circuit?: Two I/P fuse panel fuses: Fuse 10 (10A, hot in RUN) feeds the Brake Shift Lock Actuator via circuit 296 W/P, and Fuse 13 (15A, hot at all times) feeds the Brake On/Off (BOO) Switch via circuits 383 R/W and 10 LG/R.
What wire color runs from the brake switch to the brake shift lock actuator?: Circuit 511 LG (Light Green) runs from the Brake On/Off (BOO) Switch to the Brake Shift Lock Actuator, and also to the Brake Shift Lock Resistor.
What is the value of the brake shift lock resistor?: The Brake Shift Lock Resistor is shown as 390 ohms.
How is the brake shift lock actuator grounded?: Both the actuator and the resistor ground through circuit 57 BK (Black) wires that join at a splice before going to chassis ground.
Where can more details on this circuit be found?: The diagram states: 'See EVTM Cell 37 for more details of this circuit.'