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ECM question

Parrothead

Well-known member
Joined
Jul 23, 2003
Messages
63
Location
Lakewood, Washington, United S
Corvette
Quazar Blue 92
I have a 92, automatic and was trying to gt a new ECM. All numbers are faded on the unit and 2 different P/N's are listed on part store computers.

O.E.M. #16163993
O.E.M. #16159278

Can anyone tell me how to identify the correct unit for my car???


Thanks
 

Dad

Well-known member
Joined
Nov 18, 2001
Messages
611
Location
West Unity OH
Corvette
15Gray/8sp 72Blk/Blk4Spd 64Red/Red/Wht4spd
16163993 = lt5
16159278 = lt1
 

Dad

Well-known member
Joined
Nov 18, 2001
Messages
611
Location
West Unity OH
Corvette
15Gray/8sp 72Blk/Blk4Spd 64Red/Red/Wht4spd
ECM’S rarely fail by themselves; many failures are caused by a shorted solenoid. The TCC solenoid is sometimes overlooked when testing so be thorough when testing before you send another ECM back to the doctor.
 

vetteoz

Well-known member
Joined
Jan 20, 2004
Messages
1,564
Location
Not in Kansa anymore
Corvette
1990

norwegianvette

Well-known member
Joined
Jul 15, 2007
Messages
240
Location
Norway
Corvette
1993 Aqua Convertible
I just brought a brand new boxed ECM on eBay :) $299 and that included the PROM. I cant use the prom as it is configurated for manual transmition and i have automatic but i am still very pleased.

Regards,
Steve
 

vetteoz

Well-known member
Joined
Jan 20, 2004
Messages
1,564
Location
Not in Kansa anymore
Corvette
1990
I just brought a brand new boxed ECM on eBay :) $299 and that included the PROM.

Got a link?
Lots of guys on other Forums looking for these early LT1 computers ( seem to have common faults with age )
 

norwegianvette

Well-known member
Joined
Jul 15, 2007
Messages
240
Location
Norway
Corvette
1993 Aqua Convertible
Got a link?
Lots of guys on other Forums looking for these early LT1 computers ( seem to have common faults with age )

He only had one :-( Had a friend working at GM back in 1993 and he gave him one for spare. Car sold years ago and the box stored all this time and in its original packing :)
 

Schrade

Well-known member
Joined
May 2, 2009
Messages
1,315
Location
Not in CF; BANNED!!!
Corvette
'90 LT 5
Why are you buying a new ECM? What tests were done to confirm failure?
 

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