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Difference in ecu's?


gs300cky
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Galant VR-4 org Post #: 1244308 posted 10/16/18 12:29 AM     Remind Me!  Send Private Message   Edit Post      
I was just curious if there are differences in ecu numbers? My original ecu was marked 6574e and my new one which was from a manual as well is labeled 7378e. This Is the number printed on the outside of the covers.
Are these still compatible?
Also I noticed that the ecu board itself is marked different which is something else that concerned me.
The last 4 digits went from 989b and the new ecu is 989c
Here's pics of the two different ecu. My original is the one with the key driver chip. The new one doesn't have the chip installed.



I want to die peacefully like my grandpa not screaming like his passengers


Edited by gs300cky (10/16/18 12:56 AM)

Posts: 10 | From: Denver, co | Member Since: 04/24/18 | IP: (2601:280:c500:3f) | Report this post to a Moderator

gs300cky
Newbie


Galant VR-4 org Post #: 1244309 posted 10/16/18 12:52 AM     Remind Me!  Send Private Message   Edit Post      
Original ECU

NEW ECU


Edited by gs300cky (10/16/18 06:02 PM)

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thomcasey
I ain't no puny human
866/1000


Galant VR-4 org Post #: 1244311 posted 10/16/18 07:10 AM     Remind Me!  Send Private Message   Edit Post      
You only included 1 ECU pic for comparison.



Thom
1992 GVR-4 866/1000 (PTE 1200's, 16g, DSMLink v3, eagle/ross, .020 over, 272's, GC/AGX Coilovers)

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gs300cky
Newbie


Galant VR-4 org Post #: 1244328 posted 10/16/18 06:03 PM     Remind Me!  Send Private Message   Edit Post      
I fixed it, thank you for letting me know



I want to die peacefully like my grandpa not screaming like his passengers

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FlyingEagle Galant VR4.org Moderator
Eager Beaver


Galant VR-4 org Post #: 1244367 posted 10/19/18 06:46 PM     Remind Me!  Send Private Message   Edit Post      
What ECU numbers are you using:

Trying to figure out if you have two actual GVR4 specific ECU's or a combination of GVR4 and DSM 1G 91-94 (90 would be a problem).

You do have resistors in both 129 and 130 locations, which means they are both the same emissions spec if that matters (either Federal or Cali).

If your ECU numbers match something from the listing I have here, and they are GVR4 or DSM 1G 91-94, then I believe you are plug and play with that chip?

Am I wrong guys?

Click me.



C53A 1 of the ~1500

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RHDGvr4
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Galant VR-4 org Post #: 1244730 posted 11/25/18 08:21 PM     Remind Me!  Send Private Message   Edit Post   
Amazing work,
Thank You



Anybody have one extra 16in Ralliart (Dymag) magnesium wheel laying around?


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