I am in the final stretch of swapping in a 454 4l80e 243 on my 99 2door tahoe all is good on the motor side have all i need from donor 2500 eclb 2wd but my push button case has more plugs than the 243 also push button i have the factory harness (nice of chevy 2 run those separate options i guess)can any one tell me what plugs are what on those t.cases sorry dont have the stock t.case#in front of me think it was 7 something