[Gmecm] gm 92 riv prom chip

kc kctobyjoe1
Wed Aug 8 00:38:36 UTC 2007


Scott Pearson wrote:
> The mileage is stored in the EEPROM in the BCM.
>
> It really sounds like he needs an EEPROM, but that's just a guess without 
> actual testing.
>
> Scott
>
> ----- Original Message ----- 
> From: "Jay Vessels" <jay at vessels-clan.com>
> To: <gmecm at diy-efi.org>
> Sent: Monday, July 30, 2007 10:29 PM
> Subject: Re: [Gmecm] gm 92 riv prom chip
>
>
>   
>> Hi there!
>>
>>     
>>> i have been told by others the eeprom is bad
>>> digital dash works except the odometer]eter
>>> it reads ERROR EVERYTHING ELSE runs/is fine
>>> trip meter reset works fine. THE metric/english setting works fine as an 
>>> ex.
>>> I cannot inspect thus vehicle in PA w/no odometer reading!
>>>       
>> That's not the PROM in the ECM.  That's the EEPROM which is either in the 
>> instrument panel cluster or the BCM (don't remember but I suspect it's in 
>> the IPC).
>>
>> I think someone on this list had a Toronado (an E-body like your Riv) who 
>> may have knowledge on the EEPROM.  Unfortunately, I don't think it's as 
>> simple as replacing the EEPROM, so you may be facing either having the IPC 
>> rebuilt by GM (who apparently still services them according to a 
>> conversation on a J-body list), or by one of the aftermarket rebuilders.
>>
>> Jay Vessels
>> 1982 Chevrolet S-10 Sport, 2.8V6 TBI
>> 1984 Chevrolet S-10 Blazer Sport, 2.8V6 (TBI pending)
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>>     
>
>
>
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>
>
>   
there is only 1 computer in this ride has 3 connections
not taking it out until i have a replacement i won on ebay




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