Question which prom

03-20-04, 09:45 AM

Hi
I wonder how one can tell which eprom is in the computer if you have the OEM chip or not. I have a 90 and know there has been some updades over years.
My chip is blue & have these numbers ingraved: DELCO AUAH 8555
appreciate any help

Thanks

Pa

ZR1Mom · 03-20-04, 01:27 PM

Quote:

Originally Posted by roadster

Hi
I wonder how one can tell which eprom is in the computer if you have the OEM chip or not. I have a 90 and know there has been some updades over years.
My chip is blue & have these numbers ingraved: DELCO AUAH 8555
appreciate any help

Thanks

Pa

That is an updated GM PROM:

8441

8555 AUAH

16148554

-

Running change.

More info on PROMs can be found at: http://zr1.net/ZR1_parts.html#F

ZR1Mom