C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Anyone have problems with Datamaster and a max232 based connector (92 vette)

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Old Jun 8, 2003 | 08:33 PM
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vmi_vette
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From: Chandler AZ
Default Anyone have problems with Datamaster and a max232 based connector (92 vette)

A friend and I built this ALDL interface ( http://members.***.net/craig.moates/images/FCM232.jpg ) to try out the trial version of Datamaster to see if we want to purchase the code. We did notice that the capacitor C2 was backwards. We hooked up pin A and pin M on the ALDL port of my 92 Vette and attached a 12 volt power supply. Datamaster says it is retrieving data, but that it does not recognize the PCM (pcm not supported). I checked to make sure that I had the version for 92 y-body (manual).

My question is, will this cable work with Datamaster or do I need to buy Datamaster's cable to try out their software? Or does this cable work and we just messed up something? :confused:

Thanks
Joe
:seeya


[Modified by vmi_vette, 5:50 PM 6/8/2003]
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Old Jun 8, 2003 | 08:48 PM
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old salt
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From: port saint lucie florida
Default Re: Anyone have problems with Datamaster and a max232 based connector (vmi_vette)

i built the same cable and have had good results with datamaster and tunercat. every once and a while i will get an small "blip" where datamaster will not record, but for the most part it works great. in datamaster help there is a communication help section. they are aware of a link timing problem. check the help section in datamaster it should help. best of luck
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Old Jun 8, 2003 | 10:38 PM
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vmi_vette
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From: Chandler AZ
Default Re: Anyone have problems with Datamaster and a max232 based connector (old salt)

I also did not do anything with terminal B on the ALDL port. Should I have?
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