What fuse and amperage feed circuit 298 (P/O) in this diagram?

Fuse E in the engine compartment fuse box, rated 15A, feeds circuit 298 (P/O) from circuit 687 (GY/Y).

What wire color is circuit 687 and where does it come from?

Circuit 687 is GY/Y (gray/yellow) and comes from splice S217 on page 13-3, passing through connector C202 to the engine compartment fuse box.

Which connector feeds the 4WABS control module, and on which vehicles?

Circuit 601 (LB/PK) feeds the 4WABS control module through connector C119, pin 20, on the Bronco only (module coverage on page 42-3).

How does circuit 298 reach the backup lamp switch on a manual transmission?

From splice S134, circuit 298 (P/O) goes through connector C166 (pin 1) to the backup lamp switch, covered on page 93-1.

Which connectors are used only with trailer tow, and where do they lead?

Connectors C202**, C205**, and C149** carry circuit 298 (P/O) with trailer tow only, leading to the trailer battery charge relay in the trailer relay box (page 95-1). The ** footnote means all except Bronco.

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1994 Ford Bronco/F-Series Power Distribution Wiring Diagram - Gasoline (13-4)

Ford EVTM page 13-4: power distribution wiring diagram for DRL, sensors and transmission

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Power distribution wiring diagram routing power to daytime running lamps, oxygen sensor, neutral switches and 4WABS control module.

AI caption July 2017 · Photo 306 of 386

This is page 13-4, "Power Distribution, Gasoline," from a 1994 Ford factory wiring diagram set (marked "94" and "GASOLINE"). It shows the power distribution path for circuit 687 (GY/Y) coming from splice S217 (page 13-3) through connector C202 into the engine compartment fuse box, where fuse E (15A) feeds circuit 298 (P/O). From splice S105, circuit 298 branches to: the Daytime Running Lamps (DRL) module via C177 (page 97-1); connectors C1003/C1003* (marked not used); the speed control servo/amplifier assembly via C216 (page 31-1, for 4.3L, 5.0L, or 5.8L under 8500 lbs and Lightning); the heated oxygen sensor (HO2S) via C1025; and, with trailer tow only, through C202**, C205**, and C149** to the trailer battery charge relay in the trailer relay box (page 95-1). Circuit 601 (LB/PK) runs to the 4WABS control module via C119 (Bronco only, page 42-3) and to 4WABS relay #1. Splice S134 feeds transmission-specific switches: backup lamp switch (C166, manual), park/neutral position switch (C127, C6), and MLP sensor (C1012, E4OD or 4R70W). Footnote: ** all except Bronco.

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Frequently asked questions

What fuse and amperage feed circuit 298 (P/O) in this diagram?: Fuse E in the engine compartment fuse box, rated 15A, feeds circuit 298 (P/O) from circuit 687 (GY/Y).
What wire color is circuit 687 and where does it come from?: Circuit 687 is GY/Y (gray/yellow) and comes from splice S217 on page 13-3, passing through connector C202 to the engine compartment fuse box.
Which connector feeds the 4WABS control module, and on which vehicles?: Circuit 601 (LB/PK) feeds the 4WABS control module through connector C119, pin 20, on the Bronco only (module coverage on page 42-3).
How does circuit 298 reach the backup lamp switch on a manual transmission?: From splice S134, circuit 298 (P/O) goes through connector C166 (pin 1) to the backup lamp switch, covered on page 93-1.
Which connectors are used only with trailer tow, and where do they lead?: Connectors C202**, C205**, and C149** carry circuit 298 (P/O) with trailer tow only, leading to the trailer battery charge relay in the trailer relay box (page 95-1). The ** footnote means all except Bronco.