What wire colors are used for the fuel injector control circuits on a 1994 Bronco/F-Series 5.0L?

Injector #1: circuit 555 Tan (T); #2: 556 White (W); #3: 557 BR/Y; #4: 558 BR/LB; #5: 559 T/BK; #6: 560 LG/O; #7: 561 T/R; #8: 562 LB.

Which PCM pins control each fuel injector?

At PCM connector C185: injector #1 = pin 58, #2 = pin 59, #3 = pin 39, #4 = pin 35, #5 = pin 15, #6 = pin 12, #7 = pin 13, #8 = pin 14.

How do the injectors get power?

All eight injectors receive 12V (relay energized) on circuit 361, red wire, which comes from splice S122 (page 24-1) through connector C101 and splices S149 and S151.

What connectors are used for each fuel injector?

C190 (#1), C191 (#2), C192 (#3), C193 (#4), C194 (#5), C195 (#6), C196 (#7), and C197 (#8).

Where are the transmission wiring diagrams referenced from this page?

E4OD transmission wiring is on pages 30-1 and 30-2; 4R70W transmission wiring is on pages 29-1 and 29-2. The PCM outputs to the transmission include circuits 925 W/Y, 315 P/O, 237 O/Y, 924 BR/O, 923 O/BK, 480 P/Y, 199 LB/Y, 911 W/LG, and 224 T/W.

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1994 Ford Bronco/F-Series 5.0L Fuel Injector Wiring Diagram (E4OD/4R70W) 24-3

1994 Bronco/F-Series 5.0L w/E4OD engine controls wiring, 8 fuel injectors to PCM (page 24-3)

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Ford 1994 Bronco/F-Series 5.0L (E4OD/4R70W) engine-controls schematic (24-3): wiring of all eight sequential fuel injectors (#1-#8) through C190-C197 to the PCM with individual circuit numbers/colors.

Part of 1992-1996 Ford Bronco Wiring Diagrams

AI caption February 2007 · Photo 241 of 1902

This is page 24-3 of a 1994 Ford Bronco/F-Series wiring diagram set, covering Engine Controls for the 5.0L engine with E4OD or 4R70W transmission. The diagram shows the fuel injector circuit: 12-volt power (circuit 361, red wire) arriving from splice S122 (page 24-1) passes through connector C101 and splices S149 and S151 to feed all eight fuel injectors (relay energized). Each injector connects via its own connector (C190 through C197 for injectors #1-#8). The PCM-side control wires are circuits 555 (T), 556 (W), 557 (BR/Y), 558 (BR/LB), 559 (T/BK), 560 (LG/O), 561 (T/R), and 562 (LB), passing through connector C101 to PCM connector C185 pins 58, 59, 39, 35, 15, 12, 13, and 14 respectively. A callout notes the injectors are controlled by the PCM, mounted in the intake manifold at each port, and meter fuel to the engine. The lower portion shows nine additional PCM outputs (pins 38, 52, 51, 55, 49, 53, 30, 32, 41; circuits 925, 315, 237, 924, 923, 480, 199, 911, 224 with wire colors) routed to the E4OD transmission (pages 30-1, 30-2) or 4R70W transmission (pages 29-1, 29-2).

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Frequently asked questions

What wire colors are used for the fuel injector control circuits on a 1994 Bronco/F-Series 5.0L?: Injector #1: circuit 555 Tan (T); #2: 556 White (W); #3: 557 BR/Y; #4: 558 BR/LB; #5: 559 T/BK; #6: 560 LG/O; #7: 561 T/R; #8: 562 LB.
Which PCM pins control each fuel injector?: At PCM connector C185: injector #1 = pin 58, #2 = pin 59, #3 = pin 39, #4 = pin 35, #5 = pin 15, #6 = pin 12, #7 = pin 13, #8 = pin 14.
How do the injectors get power?: All eight injectors receive 12V (relay energized) on circuit 361, red wire, which comes from splice S122 (page 24-1) through connector C101 and splices S149 and S151.
What connectors are used for each fuel injector?: C190 (#1), C191 (#2), C192 (#3), C193 (#4), C194 (#5), C195 (#6), C196 (#7), and C197 (#8).
Where are the transmission wiring diagrams referenced from this page?: E4OD transmission wiring is on pages 30-1 and 30-2; 4R70W transmission wiring is on pages 29-1 and 29-2. The PCM outputs to the transmission include circuits 925 W/Y, 315 P/O, 237 O/Y, 924 BR/O, 923 O/BK, 480 P/Y, 199 LB/Y, 911 W/LG, and 224 T/W.