89 firebird prom

[Terry Martin]

----------
From: 	Jennifer Rose[SMTP:javer96 at snowcrest.net]
Sent: 	Sunday, June 22, 1997 9:44 AM
To: 	diy_efi at coulomb.eng.ohio-state.edu
Subject: 	RE:89 firebird prom

Hi Terry

        The tpi ecm should have pn #1227165 on it somewhere. The prom
generally have 3 or 4 letter code on eprom silver label. my 89 camaro is
apyy - 5.0 liter auto fed emissions. 86 thur 89 proms are 27c128. Are you
doing a transplant of tpi unit?

Vance

No although I wish I was, it would be simpler. I retrieved this from a 
totally burned vehicle that had been reported stolen, and the insurance 
company said "bugger off you can't steal those cars, you did it yourself," 
to the insured.

I beg to differ. I suspect the PROM was changed with the 400Dh DB  set to 
"O", and the VATS system was disabled because the dipshits at GM couldn't 
or wouldn't fix a simple intermittent problem originating with the VATS and 
showing up as a power train control problem to the owner. Simple fix, 
charge the guy $800, and everybodies happy. Including the dumb-ass car 
thieves that didn't know they should not have even bothered to try to rip 
off the car. The car burned down to the ground, it even melted the mags, so 
the guy had an incredible stroke of luck to (A) call me, and (B) have the 
ECM fall off face down and get covered up with other crap so it didn't fry 
the PROM. (I hope) The silver sticker burned off, and it got hot enough to 
melt the Calpak, but not enough to completely burn the inked on #'s off the 
chips. I did raise a ???65 number off the bottom of the face, so it sounds 
right.  Anyhow, now I have to either find someone to interrogate the PROM 
or build an interrogator myself. Better yet, it just occurred to me, maybe 
I should go and find a similar vehicle and just swap the PROMS to see what 
happens.

BTW, can you by any chance confirm the I/O address for the VATS DB?  I have 
400Dh  DB 0b6h  1=VATS

Thanks
Terry

Oh yeah, if you're wondering "what the hell does this guy do for a living?" 
hit http://mindlink.net/terry_martin/facts.html






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