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Opened it in XML editor and did a save as .txt
Will this work?
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I tried that already. It won't allow me to load the file (maybe because it's xml), in fact the folder it's in doesn't even appear, but I do have it saved to a folder. So, I just opened the folder on...

Here's my vehicle file for a 1990 ZR-1 Corvette. See post #5 :cheers:

Sweet. :rockon: Thanks, again.

Hi Paul,
Think this is it. Tinkered around and finally got both green lights and no errors. With the car off and the heartbeat= $F0,$56,$F1,$C9, suspend/resume=$F1, and set the times to T2=5,...

Ok, with the engine off I tried $F0-$F5 for the suspend/resume command. All were done with no reply, heartbeat-$F0,$56,$F1,$C9 ,T3-300, T5-50, T6-150 and Maxecho on. $F5 was the only one where I got...

Whoops, I missed the whole "when your not datalogging part":doh2: I'll check tomorrow while the engine is off.

When I was datalogging everything seemed hunky-dory. I could see everything, MPH and RPM in sync with the actual vehicle readings (I assume the other readings were correct, there's just gauges that...

Tried datalogging today and it worked. Was also able to see the dashboard working in sync w/ the vehicle RPM, MPH, etc.. I guess that there's no interface detected doesn't matter. Thanks Paul, for...

SUCCESS!!!! Finally working, I think, lol. Unticked the reply on suspend/resume, but still got errors with no heartbeat. So, I put the $F0,$56,$F1,$C9 heartbeat back in, no reply, T3-300, T5-50, and...

Forgot to mention I had T3 set to 500 and 600 with the same result, I just didn't do it with the Serial I/O on. I'll keep tinkering, let me know if you see anything that helps in the information...

Hi Paul, thanks for the info. I set T4 - 0. I've been trying a bunch of combinations. The one with the fewest errors is having heartbeat-$F0,$56,$F1,$C9 ,suspend/resume to $F1,$56,$08/$F1,$56,$09 ...

Hi Paul,
Alright, it took me a while, but I finally finished creating a new vehicle file. I've been fiddling around with timing, heartbeats, and changing the modules suspend/resume...

Well I've found the best way for me to create a new vhicle file is to open an existing vehicle and delete all the items and create a new one from that. I saved the base data and opened that in a...

Please, you've done so much already, and it is appreciated believe me. I'll start working on the new vehicle file tomorrow night. Hopefully it won't take more than a few days(can only do a little bit...

Here's 1991zr1
24:44.854: Opening COM2 8228,8,N,1
25:07.293: Start macro: Engine data: DATA
25:07.300: Synchronising ALDL communications...
25:07.300: Waiting for heartbeat: $F0,$56,$F1,$C9...

Easy is relative to your skill level, and mine's not so good, lol. But I'm up for it. I saved the base data easy enough. But when in V4, I don't see a way to create a new vehicle file. I guess that...

Ok I tried setting all values to 0 and T3 to 1000ms, T6 to 15ms and no chatter was detected. I changed T6 to 100ms and chatter was detected. I received errors but they were reply frame checksum...

With Corvette_Camaro_90_91 as vehicle file and Max on
55:24.912: Opening COM2 8228,8,N,1
55:35.702: Opening COM2 8228,8,N,1
55:57.124: Check vehicle interface...
55:57.130: Waiting for Aldl bus...

Thanks, Paul. I made the changes. Should I change the Suspend and Resume frames also? Tried it w/ both vehicle files and both w/ Max echo on and off. Here's zr1_1991 Max on
37:20.713: Check vehicle...

And here's Corvette_Camaro_90_91
45:50.469: Opening COM2 8228,8,N,1
46:03.595: Scan for chatter...
46:03.595: Waiting for Aldl bus silence of at least 100ms...
46:03.775:...

Thanks for EFI U. info, fellas. Just figured if there was a class on configuring V4, I could do it myself instead of bothering you guys with it. I don't like being a pest. Well, I've got the list...

Hey Paul I saw another thread about EFI University, but it was from awhile ago. Do you still have classes? I could use them if you still offer them.

The orginal informatiom was gone but I still had the saved screen shot as an image, couldn't copy/paste text from it. So I just went out and did it again. Here's Corvette_Camaro
57:36.719:...

Sorry about that Paul, I saved it as JPEG, re-saved as a PNG
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It's sending and receiving, and max echo is seen to start, You can also see in the image that T6 was 200ms, but wasn't working (no...