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Hello All doing my first LS swap 1976 Chevy K10 4x4 , 5.3 / 4l60e / NP241C, Stand-alone Harness ,Trying to finish up the wiring I have 12.4 volts with key on at the following Alternator , Junction Box at Firewall , Ignition wire at fuse box , ignition wire tying into stand alone fuse box ..I have 4 Grounds one at the back of the passenger head to body , front of passenger side head connected to frame , One behind the power steering pump and the ring from the harness connected to the back of the drivers side head .. But nothing at the coils or fuel injectors ..I’m about at my Witt’s end , I have to get the truck outta the garage for my special needs sons van ..Any help would be greatly appreciated!
You've missed a pink wire or two somewhere. Only thing you can do is go back over the harness and look and see. No one on here is going to be able to do much for you since this is going to be a wiring problem.
@ls1nova71 you were correct ! I missed a wire that was labeled and the label fell off and only showed the + sign Noobie mistake ..Thanks for the advice and motivate me to get off the couch and go look
04-22-2023, 06:48 PM
No power to Coils or Injectors 
