Re: 2005 5.7 Jeep GC PCM location
Open up the hood and take a look into the far left corner, it is up against the left wall you will see it. It'll most likely be covered up with heat sinks.
I have added a few diagrams. If you need anything else I can pretty much pull up anything. Let me know.
(06' Black JGC Limited with FULL SRT8 Body Kit, SRT8 Roof Rails and Mopar Spoiler, Mopar Front Bumper Grill Badge, Hemi345 BADGE, Diablo Trinity Programmer W/91 Performance Tune from ST Motorsports,SheraDon Stage 3 Performance Transmission + 2800 Stall, Inertia Performance Heads, Inertia Spartan Plus Cam, Srt8 Headers/Exhasut Manifolds, Full SRT8 Corsa Exhaust System W/ Reso Delete, Brian Quick 5" tips, 20% UD Pulley, 85mm Ported TB, K&N 77 Series CAI, Jet Flow 180* T-Stat, Billet Catch Can, 22 Inch Flat Black Factory Reproduction SRT 8 Replicas, Eibach Lowering Springs, Power Stop Rotors, Painted Red Calipers, Bosh Iridium Plugs, Shorty Billet Antennae, Limo Tint All Around with Mopar Matte Black Front Window Decal) and Jeep Black Ops Paramedic Hood
Diablo Trinity Tuner(Best 1/4 13.29 @ 103mph,-Best 1/8 8.45 @ 84mph -Best 0-60 4.79sec