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1996 Ford Bronco Wiring Diagram 13-5 Power Distribution - PCM Relay & Ignition
Reference · 1992-1996 BroncoAll 411 wiring diagrams
Power distribution wiring diagram for 1996 Ford Bronco showing PCM power relay, ignition module and distributor circuits.
Part of 1992-1996 Ford Bronco Wiring Diagrams
This document is page 13-5 ("Power Distribution") of a factory-style wiring diagram set, hand-labeled "96 Bronco." It shows two power feeds: one from splice S208 (page 13-3) through connectors C202F/C202M on a 16-gauge red/light-green (R/LG) wire into fuse 22 (20 A) in the Engine Compartment Fuse Box, and one hot-at-all-times feed (BB) from the engine compartment fuse box through a 30 A fuse. The fused R/LG circuit branches at splices S148 and S199 (through connector C101M/C101F) to feed the Ignition Control Module (ICM, connector C1021 pin 4), the Radio Capacitor (C1017F/C1017M), the Ignition Coil (C1008), and the Distributor (C178M/C178F pin 1), all detailed on page 21-1. The 30 A circuit feeds wire 37 (Yellow) to the PCM Power Relay (pins 85/30/86/87) and PCM Power Diode (wire 175 BK/Y); relay output 361 (Red) and wire 37 Y via splice S104 feed the Powertrain Control Module at connector C185 pin 55 (pages 24-1, 25-1). Ground wire 57 (Black) runs through splice S102 to ground G100 (grounds on page 10-1). Readers can trace ignition/PCM power circuits, wire gauges, colors, circuit numbers, splices, and connector identities.
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Frequently asked questions
- What powers the PCM power relay on a 1996 Bronco?
- A hot-at-all-times feed (BB) from the engine compartment fuse box through a 30 A fuse, on circuit 37 Yellow wire, feeds the PCM power relay and PCM power diode (wire 175 BK/Y).
- What fuse feeds the ignition coil, ICM, and distributor circuit?
- Fuse 22, a 20 A fuse in the Engine Compartment Fuse Box, feeds the 16-gauge R/LG circuit that branches to the Ignition Control Module (C1021 pin 4), Radio Capacitor (C1017), Ignition Coil (C1008), and Distributor (C178, pin 1).
- What wire goes to PCM connector C185?
- Circuit 37 Yellow (via splice S104) goes to the Powertrain Control Module at connector C185, pin 55. The PCM is detailed on pages 24-1 and 25-1.
- Where does the PCM power relay circuit ground?
- Through wire 57 Black, via splice S102, to ground G100. Additional grounds are shown on page 10-1.
- Which splices appear on this power distribution page?
- Splices S148, S199, S102, and S104 are shown, plus reference to S208 on page 13-3.
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