BAD ECM???
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Supreme Member
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Joined: May 2009
Posts: 3,371
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
BAD ECM???
Ok. Car is 350 tpi. 7730 ecm. Car runs good. However, for the past year i have been chasing the issue of no data found on Pin M on ALDL. How many volts should i have on pin M? I only have 3.9 volts. Shouldn't i have 5 volts?
Thread Starter
Supreme Member
iTrader: (2)
Joined: May 2009
Posts: 3,371
Likes: 2
From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: BAD ECM???
Solved!! bad ecm. Replaced it and now i can hookup with laptop.Also learned that 5v has to be present on pin M of aldl to hookup.
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Billy Decker
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Sep 4, 2015 03:46 PM
