I'd also check Vacum lines. Something as simple as this has caused me issues in the past, but mine was at take off underload. Check the pcv valve and hose if it has one ( im not sure if the vortecs do or not).
Could it be egr?
Thanks man, I invested in a power probe and Volt meter, as well as a subscription to Alldata DIY for the diagrams like you said. Those things are well worth the money and I am much more confident in dealing with electrical stuff now. But hopefully I have all the boogers solved in this truck now.
Well, I honestly should have referenced back to this thread when I started trying to fix the issue 4 years later. You all were correct in diagnosing the problem as some janked up wiring in the head unit. I feel like a DA. But the problem is fixed! I forgot all the helpful suggestions yall made...
You. Are. A. Freaking. Genius. Dude. So I pulled the wires down through the dash and they looked worse than I thought they did. All i did was unplug the factory harness that had a plug at one end, and had the butt splices that went to the aftermarket CD player on the other, just to try...
AK49BWL, with the fuse in the dome lights work, the cigarette lighter is removed, and I could never find the wires for it.
As far as the radio, it's original one is removed and a really old JVC is in the middle of the dash. It did work before I took it out when I began trying to find this...
As always, thank you in advance for any and all help and information. My truck is a 1994 K1500. The fuse block clips into the bottom of the dash just above the emergency brake.
The short version: Im getting unwanted power from my courtesy circuit. With the courtesy fuse installed into the fuse...