HI I Im new to this forum. LT1 question.

[grvlt1]

I have put a 1994 Lt1 from a Buick Roadmaster into a 1977 corvette. The Corvette has a 4 speed,no air. The setup works very good. My concern is the ALDL1 does not send codes to engine light with paperclip test. The light just comes on along with the fan. Have a Red River cable with Tuner Pro rt. with $EE-16188051-v3.8.adx.and does not red pcm either.Used the Red River Realterm program and everything is fine. Does any body have any sugestions

[steveo]

the 1994 lt1 pcm does NOT flash codes like earlier ecms. only 1992-1993 lt1s (the speed density ones) do that. that is normal behavior, and nothing is wrong.

that adx is a bit messy i think, try downloading a trial version of TTS datamaster and see how that goes? if it connects, call it a day. im working on that adx right now...

any more questions let me know, lt1s are a pretty major hobby for me.

[grvlt1]

Thanks for the info

[bill70j]

the 1994 lt1 pcm does NOT flash codes like earlier ecms. only 1992-1993 lt1s (the speed density ones) do that. that is normal behavior, and nothing is wrong.that adx is a bit messy i think, try downloading a trial version of TTS datamaster and see how that goes? if it connects, call it a day. im working on that adx right now...any more questions let me know, lt1s are a pretty major hobby for me.Hello Steveo:The quote above is from 2014 where you were answering a guy who had the same question I have. My '94 Roadmaster has the LT-1/4L60E. For many years I have used TTS Datamaster for reading codes and troubleshooting, using the ALDL-DSL interface cable from aldlcable.com. Everything has worked well. But now I have to switch, since Datamaster is dead.I have tried everything, but can't get TunerPro to work. I have loaded $EE-16188051-V3.8.adx from EagleMark's Lookup spreadsheet. I have checked the ALDL cable and it is OK. But when I hook everything up all I get is "Data Error" with counts. I have tried disconnecting and re-connecting - same thing.Would appreciate any and all advice.Thanks, Bill