CHEVROLET S-10 COMPUTER DIAGNOSTIC CONNECTOR ALDL

I Have Looked Everywhere And Cannot Find The Obd Plug In On My Truck.

Well I'm Planning On Doing A Ecu Upgrade But The Book Say It's A Obd1 But It Have A Obd 2 Port With 6 Pins What Do I Need To Use So I Can Do...

I Need The Pin Out For The 16228016 Pcm And Maybe The Obd2 Port So I Can Get Rid Of Vats And Check Engine Lights From Not Having A...