GM Repair Problems? Ask GM Repair Expert Now.
Hello, do you have power on the "ECM 1" fuse with the key in on and start position?
Thanks, ***** ***** red wire from the injector to the splice. At that spice the injector, EGR and ECM get power from that fuse. IT's likely a problem there. I'll postthe wiring diagram below, let me know what you find and we can work further if needed.
It's all in the one by the E brake
The one you want is ECM1 it's a 10 amp
That fuse also sends power the the EGR valve, injector and ignition input of the ECM. IFthe fuse is good and has voltage check the wire from the injector to fuse for continuity with an ohm meter to se if there is a break or short.