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06-17-2020
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#1 |
 Join Date: Sep 2004
Location: Limon, CO
Posts: 116
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CCM for ZR1 or not?
Is there anyway of visually identifying an ECM as being for a ZR-1 or base model? I have access to an ECM with no part number or any other indentifiction on it. When I install it in the car the cooling fans start and I get a code 41 I have a stock ZR-1 prom installed. My guess is that is is a base unit.
Thanks for any help will be greatly appreciated. |
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06-18-2020
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#2 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,157
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Re: CCM for ZR1 or not?
I believe looking inside the ECM there is a daughter board for the LT5. The LT5 ECM is also a taller case if I recall right
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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06-18-2020
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#3 |
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Join Date: Sep 2004
Location: Limon, CO
Posts: 116
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Re: CCM for ZR1 or not?
This one has no no daughter board. Thanks you very much.
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