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 Changing Out an ECM - 95 Riv

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Fastfrankie
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Joined : 2007-10-05
Post Count : 21
Merit : 1

Changing Out an ECM - 95 Riv Empty
PostSubject: Changing Out an ECM - 95 Riv   Changing Out an ECM - 95 Riv EmptyTue Oct 23, 2007 11:39 am

I believe my aftermarket ECM is bad in my 95 Riviera 3800 due to it getting wet/damp from a leak in the dash area - and I have no spark.

A friend of mine works in a junkyard and he just got me one out of a 95 Riviera 3800 (same exact car) that was just brought in but was hit.

I plan on changing out/swapping ECM's. Do I need to switch PROM chips out or should I just pop the new ECM in with its current PROM and forget about it?

Any help would be appreciated!
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Brad95Riv
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Brad95Riv

Name : Brad
Age : 40
Location : Wisconsin
Joined : 2007-01-18
Post Count : 97
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Changing Out an ECM - 95 Riv Empty
PostSubject: Re: Changing Out an ECM - 95 Riv   Changing Out an ECM - 95 Riv EmptyTue Oct 23, 2007 4:25 pm

Use the PROM chip that is in your car right now. The junkyard car may have had some differences, so it's best to use what you have.
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Fastfrankie
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Joined : 2007-10-05
Post Count : 21
Merit : 1

Changing Out an ECM - 95 Riv Empty
PostSubject: Re: Changing Out an ECM - 95 Riv   Changing Out an ECM - 95 Riv EmptyTue Oct 23, 2007 8:12 pm

I agree with you but was told by a mechanic if for any reason the PROM in the ECM that may be bad or was shorted out as a result of moisture etc. and I use that shorted out/ruined PROM in the replacement ECM, that could short out/ruin the replacement ECM.

Any truth to this?
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Changing Out an ECM - 95 Riv Empty
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