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Looking for ECM for 7.4L mercruiser...

Jamie1
Guest Contributor

‎05-23-2021 04:52 AM

Looking for ECM for 7.4L mercruiser horizon with closed cooling. Any leads to finding a replacement greatly appreciated. 

Thanks everyone 

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6 REPLIES 6

wingless
Rising Contributor

‎05-24-2021 04:47 AM

Welcome to the forum.

There are many for sale on eBay.

Not clear to me how closed cooling impacts ECM. That appears to be an external mechanical function, outside of spark and timing.
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Jamie1
Guest Contributor

‎05-24-2021 05:21 AM

Thank you, I agree the ECM probably doesn't care about cooling. I'll check ebay out today.
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Brite_Idea
Guest Contributor

‎05-30-2021 06:23 AM

Try:
OBD Diagnostics
888-469-3274
They had one for me when no one else did.
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Stressbreaker
Guest Contributor

‎05-30-2021 06:40 AM

How soon do you need the ECM for your 7.4
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RBJones
Guest Contributor

‎05-30-2021 06:41 AM

If the cooling system has sensors in it, it will be connected to the ecm.
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Jamie1
Guest Contributor

‎05-30-2021 07:23 AM

If the one arriving tomorrow doesn't work I will need ot asap.
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