What fuses power the warning chime module on a 1996 Ford Bronco?

Three fuse panel circuits feed the module: fuse 17 (10A, hot in start or run) supplying run/start power on circuit 640 R/Y; fuse 8 (15A, hot at all times) through the left courtesy lamp switch on circuits 54 LG/Y and 159 R/PK; and fuse 4 (15A, hot at all times) through the main light switch on circuits 195 T/W and 14 BR.

When does the 1996 Bronco warning chime sound?

With the LH front door courtesy lamp switch closed (door open), the module sounds a warning if the key is left in the ignition, the headlamps are left on, or the seat belt is not buckled. With the seat belt unbuckled and power applied, an electronic timer sounds the warning buzzer for six seconds.

How long does the fasten seat belt indicator stay lit?

The indicator lights for 4 to 8 seconds when the ignition switch is initially put in the RUN position, whether the belts are buckled or not.

What wire color is the seat belt buckled input circuit?

Circuit 85 BR/LB (brown/light blue) runs from module pin 3 through connectors C280, C229F/M and C302M/F to the seat belt switch, which is open with the belt buckled and grounds through 57 BK at G201.

Where are connector and ground locations for this circuit described?

The diagram says to refer to Section 152 for components, connectors, splice and ground descriptions and locations; grounds are also covered on pages 10-10 and 10-6.

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1996 Ford Bronco Warning Chime Wiring Diagram - EVTM Page 66-1

1996 Ford Bronco Warning Chime wiring diagram, section 66-1, seat belt indicator and chime module circuits

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1996 Bronco warning chime wiring schematic (page 66-1) showing fuse panel feeds, seat belt indicator, ignition key-in switch and warning buzzer/chime module circuits with wire color codes.

AI caption October 2016 · Photo 292 of 413

This is page 66-1, "Warning Chime," from the 1996 Ford Bronco Electrical & Vacuum Troubleshooting Manual (EVTM). It presents the complete wiring diagram for the warning chime module, a solid-state module with seven pins: run/start power (pin 7), driver door open input (pin 2), headlamps on input (pin 1), ground (pin 5), fasten belts output (pin 6), key-in-ignition input (pin 4), and seat belt buckled input (pin 3). Power sources are fuse 17 (10A, hot in start or run), fuse 8 (15A, hot at all times) via the left courtesy lamp switch, and fuse 4 (15A, hot at all times) via the main light switch. Wire circuits shown include 640 R/Y, 54 LG/Y, 159 R/PK, 195 T/W, 14 BR, 450 DG/LG, 158 BK/PK, 85 BR/LB, and 57 BK grounds at G201. Connectors referenced include C250, C263M/F, C229M/F, C273, C280, C302M/F, and C219F/M, with splices S200, S202, S213, S215, S251. Callouts explain module operation: warnings sound when the key is left in the ignition, headlamps are left on, or the seat belt is unbuckled with the driver's door open; the fasten seat belt indicator lights 4–8 seconds at initial RUN. Cross-references point to power distribution, grounds, instrument cluster, exterior lamps, and Section 152 component locations.

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Frequently asked questions

What fuses power the warning chime module on a 1996 Ford Bronco?: Three fuse panel circuits feed the module: fuse 17 (10A, hot in start or run) supplying run/start power on circuit 640 R/Y; fuse 8 (15A, hot at all times) through the left courtesy lamp switch on circuits 54 LG/Y and 159 R/PK; and fuse 4 (15A, hot at all times) through the main light switch on circuits 195 T/W and 14 BR.
When does the 1996 Bronco warning chime sound?: With the LH front door courtesy lamp switch closed (door open), the module sounds a warning if the key is left in the ignition, the headlamps are left on, or the seat belt is not buckled. With the seat belt unbuckled and power applied, an electronic timer sounds the warning buzzer for six seconds.
How long does the fasten seat belt indicator stay lit?: The indicator lights for 4 to 8 seconds when the ignition switch is initially put in the RUN position, whether the belts are buckled or not.
What wire color is the seat belt buckled input circuit?: Circuit 85 BR/LB (brown/light blue) runs from module pin 3 through connectors C280, C229F/M and C302M/F to the seat belt switch, which is open with the belt buckled and grounds through 57 BK at G201.
Where are connector and ground locations for this circuit described?: The diagram says to refer to Section 152 for components, connectors, splice and ground descriptions and locations; grounds are also covered on pages 10-10 and 10-6.