I'll try later tonight just plugging the pins directly in without the aluminum/plastic block. If it doesn't work I'll try pin 59. I don't remember what wires were where. I just pulled them all out and started fresh using schematics from others. I watched a few videos where everyone used the pins I m...

I will go through the harness and make sure all the connections are tight. I'll try plugging the pins directly to the pcm. I am using the aluminum block with the plastic pin cube as it came from the factory. I made the harness prior to ordering the obbx. I appreciate the reply.

I am getting errors trying to connect to my PCM for the first time. Here's what I have done so far. Ordered OBDX Pro using the link provided on this site. I'm using a Dell Latitude e5430 laptop with windows 10, 2 usb ports and a 15 pin serial port Downloaded PCM Hammer 021.2 from this site. Read the...

Thank you both for the reply. I ordered the OBD Pro VX using the link provided. I saw that website in my research but wasn't clear if that had usb functionality. The description states it does. And if I upgrade later BT is supported.

I have been researching tuning my 2003 Silverado 2500HD 8.1L ZF6 speed truck for a couple of months now. I really want to convert it to run on e85. I was considering EFILive or HP Tuners, but the cost is just too much for me to do my truck alone. So I have been researching and have watched several y...