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1996 Ford 5.8L Engine Controls Wiring Diagram – EGR, ECT, TPS, DPFE to PCM
Engine controls wiring diagram for 1996 Ford Bronco 5.8L showing EGR, coolant temperature, throttle position and DPFE sensor circuits.
This document is page 25-3 of a factory-style wiring diagram set titled "Engine Controls, 5.8L Under 8500 GVW," marked "96" (1996). It shows the engine control wiring for a 5.8L engine, covering the EGR Control Solenoid (C180), Engine Coolant Temperature (ECT) Sensor (C183), Throttle Position Sensor (TPS, C1024M/C1024F), and Delta Pressure Feedback EGR (DPFE) Sensor (C182), all wired to the Powertrain Control Module (PCM, connector C1027). Circuit numbers and wire colors are labeled, including 361 R, 359 GY/R, 360 BR/PK, 354 LG/R, 355 GY/W, 351 BR/W, 352 BR/LG, 511 LG, 382 V/BK, 259 O/R, 929 PK, 395 GY/O, 875 BK/LB, 914 T/O, and 915 PK/LB. PCM pin numbers (32, 47, 38, 89, 65, 48, 23, 59, 25, 16, 15) are shown, along with splices S149, S161, S135, ground G104, and the Data Link Connector (DLC) pins 2 and 10. Explanatory callouts describe how the ECT thermistor, TPS potentiometer, DPFE transducer, and EGR vacuum regulator function. Cross-references point to the Ignition System (page 21-1), Turn/Stop/Hazard Lamps (page 90-2), and page 25-2 for splice S149.
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Frequently asked questions
- What wire color is the ECT sensor signal to the PCM?
- Circuit 354 LG/R (light green/red) runs from the ECT sensor connector C183 to PCM pin 38.
- What circuit feeds the Throttle Position Sensor signal to the PCM?
- Circuit 355 GY/W (gray/white) runs from the TPS through connectors C1024F/C1024M to PCM pin 89; sensor reference is 359 GY/R from splice S161.
- What does the DPFE sensor do according to this diagram?
- It is a transducer that monitors pressure drop across an orifice that EGR flows through, used by the PCM to control EGR. It connects via connector C182 with wires 351 BR/W and 352 BR/LG.
- Which PCM pins connect to the Data Link Connector?
- PCM pins 16 and 15 connect via circuits 914 T/O and 915 PK/LB (through connectors C202M/C202F and C227F) to DLC pins 2 and 10.
- Where does the EGR Control Solenoid get power and where does its control wire go?
- It receives 12V (relay energized) on circuit 361 R from splice S149 (page 25-2), and its control circuit 360 BR/PK runs through C101F/C101M to PCM pin 47.
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