If you look carefully, there is no software support listed by your eBay seller (Mastach) for the '94 and '95 Bonnevilles (and other GM compatibles). The software may or may not support them.

These hybrid OBD Bonnevilles are OBDI protocol, but yield expanded OBDII codes. So they're different from everyone else.

I have sent Mastach a message (Thursday) asking him about this, but I have not gotten a reply back yet. I will post it if I do.

Roadrunner1, since you have a '94 Bonneville, I would advise you not to try Mastach'* kit, certainly not at this time. You would probably have to evaluate additional software, and also have to pick up the appropriate J1962 male plug (not included that I can see) that has to be adapted to Mastach'* kit.

For those '94-'95 owners with a laptop, a serial port, and a high threshold of pain, if you try it, let us know how you do. I'm always interested in this topic.

yea if you look at my link you will notice he includes the software on a CD-ROM the rest of the software you can download is through http://www.obd2allinone.com/sc/toplevel.asp?cat=2
and theres more

I bought one of the Actron units off ebay last week
9145L. It works on my 94 and I hooked it up on the 2004 Ranger and it pulled live data off it as well
I am happy for now. At least with the live data I can tell if something is a miss on motor #3

I would be interested in the software and cable solution if someone goes down that path as well as I have a laptop. Did not go down that road initially as did not find out about it until after I made the purchase.
I was told that Freescan should work by a friend but I don't have the interface cable.
He uses it on an ODB1 custom burn on a 3.4 motor in a Custom show car a J-Body car
Cavalier...
Thanks everyone for all the info
This is a great forum
Bert

Which means it automatically will NOT work on 94/95 Bonnevilles, and earlier Bonnevilles are also not listed.

Nor do I see any hardware (cable) specifications shown. Lots of dead links on his pages too.

Thanks Will
One of the reasons I went with the purchase of the Actron 9145 was I knew it would work

You'll find some parameters missing.

Betcha you can't view KR (knock retard°) or KS counter (knock counts).

The 9110 with the 9115 cable for 94/95 will, but the 9145 will not. There'* other data lacking also.

Actually it does show the knock Count and it incremented up a couple of numbers on a 40 minute drive home. Primarily form the cold start turn out of the parking lot it clocked 8 KS
The Knock Retard shows up in the list but cannot remember if it changed
I think I know why the KS counts Front side manifold is leaking a bit since the motor swap.