5/1/2023 0 Comments Gm obd1 diagnostic software![]() ![]() Some of the later 8V ECUs have EPROM and it may be possible to modify others using a daughterboard with EEPROM fitted. ![]() I've not yet seen any pre OBD2 ECUs that are easily reprogrammed, none that can be done down the diagnostic link. I'd guess no more than $5~10 worth of parts, maybe $20 if you have to get the ALDL or OBD2 connectors. The link below will take you to a page with an ALDL to PC (RS232 serial port) interface. With regard the datalogging - I'm not certain who much I can do there, but if you can tell me what's needed I'm willing to give it a shot, I do have limited access to test equipment ![]() One question - some of the stuff I've read suggests that this will not work with certain laptops, something to do with the baud rates supported by the UART - will this still be a problem? I've had the drawings for an ALDL to PC (RS232) cable on my desk for a couple of weeks, it'll take a while to source the parts since few of them are likely to be available locally (I'm down in Latin America), I'm also looking at cobbling together an ALDL to USB cable (basically an ALDL to RS232 to USB) I have been scouring the net for information on the non-OBDII Suzuki ECUs for the last few months and I have seen your name come up on so many forums, I've followed every thread, and read your webpages. ![]()
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