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Discussion Starter · #1 ·
hi all, ive got one of those odb2 readers but my laptop doesnt have a serial port, so i got a serial to USB converter but cannot make it communicate with the car (2001 Omega V6), which port will it be ?? com 1,2,3 or 4 as the software says no and wont respond to any of those. any thoughts?? cheers
 

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The problem is possibly the USB to RS232 converter, there not suitable for some application's, USB is 5v and RS232 carry's 12v & 5v so if the RS232 device your trying to use requires the 12V feed then the USB/RS232 converter won't work.
 
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