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Those who have actually worked on ECM

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Old Oct 7, 2010 | 12:08 AM
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OddJack's Avatar
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From: West
Those who have actually worked on ECM

Please Consider two ECMs,

one from 89 camaro, TBI 5.0 Auto trany
one from 89 camaro, TBI 5.0 Manual tranny


The number on the outside of the ecm would be the same? for example 01228746 ?

It's the software inside the prom that would be different only? would there be two different number printed on that prom for auto and manual?
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Old Oct 7, 2010 | 07:02 AM
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: Those who have actually worked on ECM

Correct on both counts. Except not the numbers on the PROM, but the 4-letter code. Such as ANTT, or AXKS.

RBob.
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Old Oct 7, 2010 | 09:19 AM
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Re: Those who have actually worked on ECM

Thanks RBob
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Old Oct 7, 2010 | 12:57 PM
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Re: Those who have actually worked on ECM

Is that prom soldered or is possible to pull it out and replace it?
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Old Oct 7, 2010 | 04:09 PM
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From: Chasing Electrons
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Transmission: check
Re: Those who have actually worked on ECM

Originally Posted by OddJack
Is that prom soldered or is possible to pull it out and replace it?
Plugged in. See the sticky above for pictures of the PROM, CALPAK, and a MEMCAL.

RBob.
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