[Gmecm] gm 92 riv prom chip

[kc]

Jay Vessels wrote:
> Hi there!
>
> I have an '89 Eldorado shop manual, which is an E-body car like your 
> Riv (though a bit older).  If I can dig it up, I'll see what I can find.
>
> The problem is that the EEPROM that contains the odometer mileage is 
> not in the ECM ("computer").  It's in either the BCM (another 
> computer) or the IPC (instrument panel cluster, yet another 
> computer).  Replacing the ECM won't do you any good  -- it's 
> more-or-less not involved in the IPC's displaying the odometer.
>
> Search through that manual (by the size, I'm assuming the Helm 
> manual?) and look for "BCM" and "IPC" and see what you find.
>
> If you take your car to a GM dealer, they'll take the IPC out and send 
> it off for remanufacturing.  I don't know if the original mileage will 
> still be there or not.  If not, then the title to the car may have to 
> be marked "unknown mileage" if you try to sell it (going by my 
> experience in KY).
>
> Good luck,
> Jay Vessels
> 1982 Chevrolet S-10 Sport, 2.8V6 TBI
> 1984 Chevrolet S-10 Blazer Sport, 2.8V6 (TBI pending)
>
>
> kc wrote:
>> my 4" thick manual only shows ONE behind the dash. It is held in 
>> place with TORX screws and rather small.
>>
>> SSO....if I replace the computret behind the glove box might my 
>> problem disappear?
>>
>> I CANNOT reset the BCM codes when I get them thru the system
>>
>> I don't trust GM to diagnose the problem w/o costing me a FORTUNE
>>
>> I *did* win a new computer (a steal at $9.95)
>>
>> If you go to partsamerica.com and punch in my 92 riv there is the one 
>> computer starting with (from memory) 16... and that is the one I won
>>
>> kc
>>
>> ----- Original Message -----
>> From: "Scott Pearson" <mrcad472 at iowatelecom.net>
>> To: <gmecm at diy-efi.org>
>> Sent: Wednesday, August 08, 2007 9:27 AM
>> Subject: Re: [Gmecm] gm 92 riv prom chip
>>
>>> ----- Original Message ----- From: "kc" <kctobyjoe1 at verizon.net>
>>> To: <gmecm at diy-efi.org>
>>> Sent: Tuesday, August 07, 2007 7:38 PM
>>> Subject: Re: [Gmecm] gm 92 riv prom chip
>>>
>>>
>>>> there is only 1 computer in this ride has 3 connections
>>>> not taking it out until i have a replacement i won on ebay
>>>
>>> There's going to be more than one computer in this car. Without 
>>> looking at the schematics, I'm going to guess 5-7 individual 
>>> modules. The PCM (under the passenger side of the dash) and the BCM 
>>> (behind the glove box) both have 3 connections. The two black ones 
>>> will be the same, but the colored one will be different. I think a 
>>> 92 will have red on the BCM and green on the PCM.
>>>
>>> Scott
>>>
>>>
>>> _______________________________________________
>>> Gmecm mailing list
>>> Gmecm at diy-efi.org
>>> Subscribe: http://lists.diy-efi.org/mailman/listinfo/gmecm
>>> Main WWW page: http://www.diy-efi.org/gmecm 
>>
>> _______________________________________________
>> Gmecm mailing list
>> Gmecm at diy-efi.org
>> Subscribe: http://lists.diy-efi.org/mailman/listinfo/gmecm
>> Main WWW page: http://www.diy-efi.org/gmecm
>>
> _______________________________________________
> Gmecm mailing list
> Gmecm at diy-efi.org
> Subscribe: http://lists.diy-efi.org/mailman/listinfo/gmecm
> Main WWW page: http://www.diy-efi.org/gmecm
>
>
book shows BCM as a stick man picture only with NO location.
3 connections. Looks like unit behind dash suspiciously
what is SHOT?
Since dash WAS replaced and worked FINE on car it WAS in.
EVERYTHING works except the odometer.

kc