Types of GM ECMs

peter paul fenske ffnsp955 at bcit.bc.ca
Mon Feb 23 06:11:32 GMT 1998


PCMS use 010 intel flash eeproms..

2 64k or 32k AR.

cya:peter

At 12:10 AM 2/23/98 PST, you wrote:
>As far as series types of ecm for GM;
>As I understand it there are C3, P4, and PCMs.  Is this true?
>
>All the C3 types use a 2732 style prom, and 2 connectors.
>
>All the P4 use a memcal/calpak, use 27128/27256 proms, 
>and 3 connectors.
>
>What do the PCMs use?.
>
>Are there other GM EFI series?.  Is the prom holder/memcal.
>connector an accurate way of id ing them?..
>Bruce    Beginning to wear two cone shaped hats, one
>             inside the other.  Now have 4 layers of AL foil to 
>             block alein tranmissions...
>
>




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