C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Mar 17, 2002 | 08:04 PM
  #1  
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Trent81
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From: Rossville TN
Default 81 ECM

Need a new ECM for the 81, where is the best place to buy? Check engine light will not go out and have followed every step in the troubleshooting guide. No shorts to ground and no bulb problems. According to the book I have a faulty letter connection on the ECM. Car runs perfect and have had no problems with performance. Any suggestions would be helpful.

Thanks
Trent81
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Old Mar 17, 2002 | 08:07 PM
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Default Re: 81 ECM (Trent81)

hello again - :)

its just you and me here all by ourselves tonight - ha

I read where someone ordered an 81 ECM from AutoZone ( autoparts chain )
for $79...pretty cheap If you ask me

I think Ecklers has them for $100

Kevin
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Old Mar 17, 2002 | 08:10 PM
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Default Re: 81 ECM (ksems)

I wonder if the one from autozone comes with the prom?

Trent
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Old Mar 17, 2002 | 11:07 PM
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From: Manchester, Dead Center in the Middle of TN 25 miles to Jack Daniels,10 miles to Geo Dickle, and .8 mile from the Liquor Store at I-24 Exit 114
St. Jude Donor '05
Default Re: 81 ECM (Trent81)

Before you spend all of that hard earned money for a ECM look around for an '81 Buick 4.1, Cadillac 6 cyl, Camaro 3.8-4.4-5.0-5.7, Buick Century 6cyl,Chevette, itation2.5-2.8,Cutlas3.8,Firebird 3.8 All of these are to be used less the PROM

This is from Hollanders Interchange Book

JIM
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Old Mar 17, 2002 | 11:16 PM
  #5  
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Default Re: 81 ECM (PROSOUTH)

Hey, thanks Prosouth.

Trent81
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Old Mar 17, 2002 | 11:51 PM
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PROSOUTH
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From: Manchester, Dead Center in the Middle of TN 25 miles to Jack Daniels,10 miles to Geo Dickle, and .8 mile from the Liquor Store at I-24 Exit 114
St. Jude Donor '05
Default Re: 81 ECM (Trent81)

Anytime, glad I could help. Hey where is Rossville TN at anyway? I'm on I-24 65 miles from Nashville, 65 miles from Chattanooga and 70 miles from Huntsville AL. In an hour I can be in 1 of 3 major cities ( major for around here that is). I'm not familiar with that city. JIM
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Old Mar 18, 2002 | 12:09 AM
  #7  
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Default Re: 81 ECM (PROSOUTH)

Jim,

Rossville is just outside of Memphis. 5 miles from the MS stateline. 1hr from Florence Al., 2hr from Nashville. Depending on how late i'm running about 4hr to Knoxville (Big Orange Country: GO VOLS!!!!!!)

Trent
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Old Mar 18, 2002 | 12:23 AM
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Default Re: 81 ECM (Trent81)

Trent
Option's yours....replace ECM, or if you have no trouble passin your emissions testing and eng runs fine....pull the bulb! So much for another pesky idiot light! Good Luck -Rod :chevy
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