30+ Fuel Injector Wiring Harness Problem

Hello and welcome to Just Answer. 2 May 22 2009.

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Web Diagnose all injector driver codes using the current SI diagnostics.

. Put your leads on the injector connectors injectors. Web FICM plug injector wiring to and from FICM plug and injector testing 08-1 ohms is good. When the car is being driven the engine rocks back and forth in its mounts.

If yes the harness is still shorted if. Web Confirm the injector harness is not shorted by unplugging the injector harness from the ecm. If all SI diagnostics are inconclusive inspect for wire chafes at the Fuel Injector Control Module.

Web FYI this is not a blanket recall but a warranty extension - which means if you have an EPC light or an issue that requires an injector harness outside of your regular. I dont see those. Web For the injector wirings check the grounds first common cause of most any electrical issue.

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The wire has splices in the harness inside the tape. Web If so you could unplug the connector from the PCM to isolate the harness see if there is still continuity at the injector connector. I am assuming that there is no 12V feed.

12MM Questions AnsweredHelped Over 8MM Worldwide. In one case I put the noid light on the wire in the other I put the multimeter. Web Cummins M11 engine injector harness removal of plug at rear of rockerbox instructions - Answered by a verified Technician.

Web The harness can only be connected one of 2 was per section calling injector 1 and 2 a section 3 and 4 a section etc because of wire length reach. Web I think it has something to do with the wiring connection to the fuel injector because when the wires are in the plastic connector it wont start but if I do a direct. Pull the red lock tabs up then press the other tab and pull to get the wires off.

Web Answered in 4 minutes by. Web Id probably disconnect it from inside remove glove box unplug it and pull it out to the engine bay and from the alternator area to get some clearance to pull the. The first thing you need to do is determine what is.

This causes the wiring. 6034 posts Joined 2008. Web Whats the Problem With GMs Fuel Injector Wiring Harness.

Web Looks like in both cases I just need to disconnect the wiring harness from the fuel injector. The injectors are supplied by a green wire from relay. Web So the injector harness had to be changed to match the new engine to ECM harness and in the process I found that the wiring harness had shifted and pulled loose.

Not totally sure where the ground is for the injectors but worth a look.

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