Prom help?

[Shannen Durphey]

I can't come up with any information.
Shannen

Jon Fedock wrote:
> 
> I was at the local junkyard he other day, and there was a GM ECM in the back
> of a pickup. Anyways, there were no numbers on the case (sticker was gone).
> I checked to see if it had a calpack (can't ever have too many of these!),
> but it only had a prom. The code: ALFN4652. Anybody have an idea of what
> this thing came out of? Thanks for any ideas.
> Jon Fedock