Recent content by Kennedy.engine

Yeah I’m a little concerned about all the electronics working correctly. I’m finishing up my wiring soon so once I get batteries I’ll be able to test it out. I made my own fuse/relay panel and used all data to figure out what wires needed to be powered for the suburban body harness, then figure...

Awesome thanks for all the info. So Ill need to find the PIN number in the ecm that will activate my ac and install a switch for it, I’ve noticed alldata isn’t very detailed in the descriptions for the ecm pin outs.

Okay that’s what I was thinking. It looks like the LLY ecm controls the ac clutch relay, then the power from 87 on the relay goes through the clutch, low pressure switch and then goes to the HVAC control module which communicates the info via class 2 serial data to the ecm. So my question is...

Hello, I’ve stumble across this forum quite a bit looking for info while doing my duramax swap but this is my first post. I’m in the process and have been for awhile of doing an LLY/Allison swap into a 1999 gmt400 k1500 gmc suburban. I’ve run into quite a few issues but I am looking for some...