Quick update: this lead me to the ignition switch. Original to the truck and worked before the swap. I bought a new one and now able to crank engine with the key. Thank you for the help. I don’t...

the book I have says the starter wire is hot while cranking but that is not what I am observing. Maybe there is a wire short in the dash. I will have to look. The under hood lamp is powered off a...

Yes the truck was running and the purple wire went from the ignition switch through the firewall directly to the starter. Any idea why the negative terminal would spark now?

Hi Ralmo94, you are right, it is a wiring issue. I took the purple starter wire coming coming through the firewall and connected with the purple starter wire from the fuse block. it was pinned to C2...

Hi Ralmo94,

the engine does not start even if I jump or use a hand switch. The injectors are not firing. I was thinking it is a pcm issue. I will try the stock file with the vats delete patch and...

Hi All,


Can anyone please provide guidance on this situation?


I have a 1993 GMC c1500 with an existing 4l60e transmission (A/T) and I am swapping in a 2005 LQ9 from 2005 Chevy 1500.
Using...