Embedded ROM replacement

Bruce Plecan nacelp at bright.net
Tue Apr 27 03:01:55 GMT 1999


> Electronics gurus:
> Is there any *easy* way to replace the embedded ROM
> in a '7148 with something I can program?

Really easy to do.  Just snip the connectors off, and replace with with a
1228253.
Read code, and then convert to 2+3 bar code....  Does away with that ol MAF
also.
Bruce

 From looking
> at Ludis's page, it would seem the embedded ROM is
> contained in special Delco specific chips. I would like to
> alter some of the embedded code if possible.
> Maybe I can just cut a couple traces and hang an EPROM
> off the test connector??
> Thanks,
> -Mike





More information about the Gmecm mailing list