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How to test 91.5-93 ECM

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Old 12-18-2020, 11:31 AM
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How to test 91.5-93 ECM
Hello all,
I Have a 91.5-93 Cummins ECM that I would like to sell. I am wondering if there is a way I can test it to make sure it works?
Thank you for your help.
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Old 12-18-2020, 11:49 AM
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Just an FYI, '91,5-'93 PCM are not all interchangeable with each other.
I can think of 4 different version in those year Cummins truck PCMs.
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Old 12-18-2020, 12:28 PM
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Oliver Foster,
Thank you for the clarification. I believe it's from a 1993 truck. Is there any way to identify what year it's for?
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Old 12-18-2020, 09:14 PM
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I label mine with a paint marker when I pull them from the truck they where in.
After they are pulled...I would guess there is a way to decode the factory #, if they are still legible.
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Old 12-19-2020, 08:59 AM
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Thanks for the info. I just want to be honest, fair, and describe the ECM accurately.
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Old 12-20-2020, 04:02 AM
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Have you tried to google the factory part number?
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Old 12-20-2020, 06:49 AM
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Old 12-20-2020, 07:54 AM
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Hello Archer2,
There is not a part number tag left on it.
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Old 12-20-2020, 11:25 AM
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Well, that doesn't help then.
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