What fuses power the anti-theft system on a 1995 Bronco?

Fuse 12, a 20A circuit breaker in the fuse panel (hot at all times, page 13-8) feeds battery voltage via circuit 171 BK/W, and fuse 6, 15A (hot in ACC or RUN, page 13-3) feeds power via circuit 182 BR/W.

How does the 1995 Bronco anti-theft system get disarmed?

Through the right (C609) and left (C510) door disarm switches, which close when a door is unlocked with the key. They connect the module's disarm input (pin 6, circuit 25 DG/P) to ground via circuit 57 BK at G201.

How do I know the anti-theft system is armed?

Turning the ignition from RUN to OFF and opening the driver's door makes the module flash the "ANTI-THEFT" indicator. After locking the doors, the indicator stays on about 30 seconds then goes off, indicating the system is armed.

What wire color is the anti-theft indicator output circuit?

Circuit 343 DB/LG (dark blue/light green) from module pin 13 via connectors C238 and C251 to the instrument cluster ANTI-THEFT indicator, grounding through circuit 570 BK/W at G200.

Where is diagnostic information for the anti-theft system?

The diagram says to refer to section 13-11 of the Service Manual for diagnostic information.

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1995 Ford Bronco Anti-Theft System Wiring Diagram (Page 112-1)

1995 Bronco anti-theft system wiring diagram page 112-1

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Wiring diagram for the 1995 Bronco anti-theft system showing controller module, door switches, and color-coded circuits.

AI caption December 2011 · Photo 925 of 1799

This is page 112-1 of the 1995 Ford Bronco electrical/vacuum troubleshooting manual, showing the Anti-Theft system wiring diagram. It covers the Anti-Theft Controller Module (component location 151-3 A4) and its power, ground, disarm, keyless entry, and indicator circuits. Power comes from fuse panel fuse 12 (20A circuit breaker, hot at all times, via circuit 171 BK/W to module pins 1 and 16) and fuse 6 (15A, hot in ACC or RUN, via circuit 182 BR/W to pin 4). The disarm input (pin 6) runs through circuit 25 DG/P and connectors C229, C214, C213 to the right (C609) and left (C510) door disarm switches, which close when a door is unlocked with the key and ground through circuit 57 BK to G201. Pin 3 receives the remote/keyless entry input via circuit 627 BK/O (see page 111-4). Pin 13 drives the ANTI-THEFT indicator in the instrument cluster via circuit 343 DB/LG, grounding through 570 BK/W to G200. A note explains system arming: after turning ignition off and opening the driver's door, the indicator flashes; after locking the doors it stays lit about 30 seconds, then goes off when armed. Diagnostic info is in section 13-11 of the Service Manual.

This document covers 1995, which may differ from this 1990 Ford Bronco.

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Frequently asked questions

What fuses power the anti-theft system on a 1995 Bronco?: Fuse 12, a 20A circuit breaker in the fuse panel (hot at all times, page 13-8) feeds battery voltage via circuit 171 BK/W, and fuse 6, 15A (hot in ACC or RUN, page 13-3) feeds power via circuit 182 BR/W.
How does the 1995 Bronco anti-theft system get disarmed?: Through the right (C609) and left (C510) door disarm switches, which close when a door is unlocked with the key. They connect the module's disarm input (pin 6, circuit 25 DG/P) to ground via circuit 57 BK at G201.
How do I know the anti-theft system is armed?: Turning the ignition from RUN to OFF and opening the driver's door makes the module flash the "ANTI-THEFT" indicator. After locking the doors, the indicator stays on about 30 seconds then goes off, indicating the system is armed.
What wire color is the anti-theft indicator output circuit?: Circuit 343 DB/LG (dark blue/light green) from module pin 13 via connectors C238 and C251 to the instrument cluster ANTI-THEFT indicator, grounding through circuit 570 BK/W at G200.
Where is diagnostic information for the anti-theft system?: The diagram says to refer to section 13-11 of the Service Manual for diagnostic information.