Mark Romans wrote: > > I am having trouble reading the prom. > > "Delco 519k 8229 2055 06630 CE1024" GM part number 06630 is a bipolar PROM - it is not an EPROM. You can find the pinout on my web pages in the C3 pinouts page. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/