i have a 1992 silverado with 5.7 and smoked the ecm with a 24 volt battery charger put new ecm and prom cards knock sensor still have a start up problem at start up real rough idle like out of time and loading up on fuel with no dash lights on for about 5 to 10 seconds the trucks idle out normal and the service engine light comes on and brake light stays on and nothing else work in the dash they all worked before this bone headed mistake any help..

 

where could i get a detailed wiring diagram for 92 silverado 5.7