GMC COMPUTER DIAGNOSTIC CONNECTOR ALDL

I Can't Figure Out Which Fuse My Obd Port Is Connected To. I've Looked For A Cigarette Lighter Fuse And Every Other Fuse That I...

So, I Have A Friend That Came By Today With His Vehicle Listed Above His Obd Plug Isn't Not Connecting To My Scan Tool, Same Thing...

Computer Problem 2000 Gmc Sonoma Four Wheel Drive Automatic 2/3/09 Where Is The Can Obd Ii Plug In, In My Truck Hiding

The Assembly Line Data Link Won't Give Me Any Information When I Plug In The Obd1 It Only Informs Me That No Information Is Available From...

When I Hook Up A Code Reader It Will Not Register Anything. I Tried 2 Different Readers And They Would Not Work. It Acts As If The...

This Is A 30 Ft Georgetown Class A Motorhome On A Chevrolet P Chassis With A 454 Engine. I Have A "service Engine Soon" Warning Light. I...