69camaro5speed
September 18th, 2006, 12:13 PM
I Have A 12200411 Ecm It Has A 4.3 Operating System In It.what I Am Tring To Do Is Set Up A Ecm And Harness To Run Ls1 Stuff On Our Engine Dyno. I Have A Paimless Harness For A 99 And Newer Ecm.some One Posted That Ecm Works With 99 To 2002 Operating Systems So I Downloaded A 2002 Gto File From A Link On Here If I Load That Operating System In The 12200411 Ecm Then Do The Tutorial On Custom Operating Systems For The Gto Should Work Fine Just Wanted To Check To See If I Am Right Any Input Would Be Great Thanks