how to id an ECM

[George M. Dailey]

This is (was) GMs industry standard work horse. Used in everything from 2.5L
4 bangers to the 7+L big block, trucks cars and vans, all TBI applications
though. I used one in my '58 5.7L.


At 02:25 AM 11/29/96 -0500, you wrote:
>At a recent auction I picked up a box of auto parts. Much to my surprise
>there was a computer in the bottom. It looks like a GM unit but
>inside its not too familiar ( I only have experience with my 88 2.8L ).
>
>It has to seperate chips in sockets, a 24 pin EPROM and a 16 pin prom.
>
>Its marked 86ASDU SERV NO 1227747
>
>The eprom is ASDU 9567
>
>Does anybody know this beast ?
>
>