any 2003 Deville bin files? anyone upgrade to an 0411 computer for caddys?

162801628116282 Finally got some pics put up

I have to tidy up the wiring and fab up an exhaust, I need to remove the rear o2s from the computer and a handful of other dtcs because it’s looking for transmission feedback and I have a manual. ...

Update! It runs! Still a little rough but it runs. Had a couple injector pin outs backwards and a couple other computer wires wrong. At first it still showed no signs of improvement so I hosed...

I’ve all ready started to thin down the harness. I’ll check some grounds and connections today.

It’s a train wreck. 99 harness that I’m trying to repin to a 411 pcm. I tried helping it with starting fluid to see if maybe the injectors are not working but I need some more hands. It’s...

Fuel pressure is good and dizzy hasn’t moved.

I replaced my tbi engine in my 62 suburban with a 99 Vortec 5.7. I swapped out the black box for a 0411 pcm and wired it for an 02 van. I removed vats on the pcm. It hits on a couple cylinders...

Hello all

I'm not new to wrenching but haven't had much experience with hacking ecms. Ive done a couple swaps with efi and the first round I had someone else help me but now I want to try to do...