What PCM pins do the fuel injectors connect to on the 1996 5.8L?

Per the diagram: injector #1 pin 75 (555 T), #2 pin 101 (558 W), #3 pin 74 (557 BR/Y), #4 pin 100 (558 BR/LB), #5 pin 73 (559 T/BK), #6 pin 33 (560 LG/O), #7 pin 72 (561 T/R), #8 pin 38 (562 LB).

What powers the injectors and IAC valve on this circuit?

Circuit 361 (Red), a 12V relay-energized feed coming from splice S136 on page 25-1 through connectors C101M/C101F, distributed by splices S149 and S151.

What does the Idle Air Control valve do according to this diagram?

It controls idle speed during all modes of engine operation. Duty cycles are sent by the PCM, which controls a solenoid that opens or closes an air bypass depending on the signal received. Its signal wire is 264 W/LB to PCM pin 83 via connector C1007.

Which connector is the Data Link Connector circuit on?

DLC pin 13 uses circuit 107 P through connectors C201F and C202F/C202M to PCM pin 13.

Where do the transmission control wires go?

The E4OD transmission control circuits (925 W/Y, 315 P/O, 237 O/Y, 924 BR/O, 923 O/BK, 480 P/Y, 911 W/LG, 224 T/W) connect to lower PCM pins and continue on pages 30-1 and 30-2.

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1996 Ford Bronco 5.8L Engine Controls Wiring Diagram - Injectors, IAC, PCM Pins

96 Bronco 25-2 Engine Controls 5.8L wiring diagram: idle air control valve, fuel injectors, vehicle speed sensor, PCM

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Engine controls wiring diagram for 1996 Ford Bronco 5.8L showing idle air control valve and fuel injector circuits.

AI caption July 2017 · Photo 243 of 386

This is page 25-2 of a Ford factory-style wiring diagram covering the Engine Controls circuit for the 5.8L engine, hand-marked "96" (1996). It shows the 12V relay-energized power feed (circuit 361, Red) arriving from splice S136 on page 25-1, passing through connectors C101M/C101F, and splitting at splices S149 and S151 to feed the Idle Air Control (IAC) valve (connector C1007) and all eight fuel injectors (connectors C190 through C197), continuing to C180 on page 25-3. Each injector's return circuit and wire color is shown (555 T, 558 W, 557 BR/Y, 558 BR/LB, 559 T/BK, 560 LG/O, 561 T/R, 562 LB) along with its Powertrain Control Module (PCM) pin (75, 101, 74, 100, 73, 33, 72, 38). Also shown: Data Link Connector (DLC) pin 13 to PCM pin 13 via circuit 107 P, the IAC signal 264 W/LB to PCM pin 83, A/C-heater input 198 DG/O to pin 41, and lower PCM pins connecting to the all-wheel drive circuit, vehicle speed sensor, and E4OD transmission controls with cross-references to pages 34-1, 64-1, 30-1 and 30-2. Explanatory callouts describe IAC and injector operation.

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Frequently asked questions

What PCM pins do the fuel injectors connect to on the 1996 5.8L?: Per the diagram: injector #1 pin 75 (555 T), #2 pin 101 (558 W), #3 pin 74 (557 BR/Y), #4 pin 100 (558 BR/LB), #5 pin 73 (559 T/BK), #6 pin 33 (560 LG/O), #7 pin 72 (561 T/R), #8 pin 38 (562 LB).
What powers the injectors and IAC valve on this circuit?: Circuit 361 (Red), a 12V relay-energized feed coming from splice S136 on page 25-1 through connectors C101M/C101F, distributed by splices S149 and S151.
What does the Idle Air Control valve do according to this diagram?: It controls idle speed during all modes of engine operation. Duty cycles are sent by the PCM, which controls a solenoid that opens or closes an air bypass depending on the signal received. Its signal wire is 264 W/LB to PCM pin 83 via connector C1007.
Which connector is the Data Link Connector circuit on?: DLC pin 13 uses circuit 107 P through connectors C201F and C202F/C202M to PCM pin 13.
Where do the transmission control wires go?: The E4OD transmission control circuits (925 W/Y, 315 P/O, 237 O/Y, 924 BR/O, 923 O/BK, 480 P/Y, 911 W/LG, 224 T/W) connect to lower PCM pins and continue on pages 30-1 and 30-2.