Diacom cable for GM

[Jennifer Rose]

At 07:26 PM 10/13/97 -0700, you wrote:
>There is an 8 transistor circuit inside. The read wire is for CE light
>communication cars where the CE light is burnt out and not providing the
>necessary pull up.
>
>----------
>> From: sfg <sfgent at ac.net>
>> To: diy_efi at coulomb.eng.ohio-state.edu
>> Subject: Diacom cable for GM
>> Date: Monday, October 13, 1997 7:02 AM
>> 
>> I purchased the Diacom diagnostic interface (GM) kit back in '92. It
>> runs under DOS and has been worth the $200 or so I spent on it.
>> The supplied cable, which connects your RS232 to the ECU (ALDL) has a
>> red wire for 12VDC input. Recently I discovered the system works with,
>> or without the 12VDC connected. I had always assumed there were active
>> components molded into one of the connectors; now I am wondering if its
>> really just a hunk of wire, with connectors on each end. Anyone know?
>> Steve
>
>Anyone have a good pix? Would ya share?

Vance