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1994 Oldsmobile 88 Computer replacement.

Tiny
BCELL
  • MEMBER
  • 1994 OLDSMOBILE 88
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 55,000 MILES
Hi,
I need to know where the computer is located in 1994 Oldsmobile 88 Royale.
Also, I have basic tools and car knowledge, will I be able to replace it myself?

thanks for any input.
Tuesday, June 2nd, 2009 AT 2:20 PM

5 Replies

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
It is located under the passenger side dash.
Attached by a few screws and several plugin harnesses.


https://www.2carpros.com/forum/automotive_pictures/55316_9488royale_1.jpg



https://www.2carpros.com/forum/automotive_pictures/55316_773247top_1.jpg

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Wednesday, June 3rd, 2009 AT 1:21 AM
Tiny
BCELL
  • MEMBER
  • 3 POSTS
Can you just swap out a new computer with the old one or is there programming or any other procedures involved?
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Wednesday, June 3rd, 2009 AT 8:34 AM
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Yup. Just pull the old one out and put the new one in. No reprogramming is needed.
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Wednesday, June 3rd, 2009 AT 10:24 PM
Tiny
BCELL
  • MEMBER
  • 3 POSTS
Thanks Zackman. A guy told me that I need to use the old "chip" with the new computer. I don't see a chip insert in the computer unit. Could you explain what he means.
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Thursday, June 4th, 2009 AT 12:48 AM
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
He was talking about the knock sensor module, sometimes called the PROM unit. It should be attached to the circled area.


https://www.2carpros.com/forum/automotive_pictures/55316_9488royaleprom_1.jpg



My info says only applicable to certain models. If you don't have this one on the old/defective computer module, then you don't need it.
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Thursday, June 4th, 2009 AT 1:38 AM

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