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Old 05-20-2012, 11:45 PM   #1
tito sti
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Member#: 247648
Join Date: May 2010
Default help 05 sti wiring 04 sti ecu

i dont know what else im missing , i did the pinout and still there is no comunicasion with the ecu , got a difren ecu and notting im using 04 key 04 computer 05 wiring harnes in a fully swaped gc8, there is no sing of life in the ecu im i missing someting?
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Old 05-21-2012, 01:56 AM   #2
buzzword
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Chapter/Region: BAIC
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2006 AW STi
FLI tuned - 280/300@15psi

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Did you delete all the 05 immobilizer stuff?
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Old 05-21-2012, 02:06 AM   #3
tito sti
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no thats were i need help i dont know what i need to delete
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Old 05-21-2012, 08:05 PM   #4
tito sti
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Bump anyone
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Old 05-22-2012, 08:11 AM   #5
tito sti
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Do I need a matching key , immobilizer,integraded unit if im using a 04 Sti ecu in a 05 wiring harnes ? Help please
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Old 05-23-2012, 01:54 PM   #6
tito sti
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Bump any imput please
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Old 05-26-2012, 04:31 PM   #7
tito sti
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No help :-(
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Old 05-27-2012, 03:55 PM   #8
25rsti
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If you're using an 05 STi harness, you need the corresponding immobilizer, ignition and key and integrated unit, I think that's it.
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Old 05-28-2012, 01:04 AM   #9
tito sti
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thx for responding , i have an 04 ecu in the car righ now and changed the 6 pins to make it work with the 05 harnes and is not responding , i did try 2 04 sti ecu and got the same result i wonder if im missing someting or just need to stick with the 05 stuf ,had this happened to anyone before ?thx again
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Old 09-15-2018, 12:48 PM   #10
fastblueufo
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Join Date: May 2009
Chapter/Region: South East
Location: fast performance tuning
Vehicle:
02 billet crank
pauter rods, pt5857, E85

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Quote:
Originally Posted by tito sti View Post
thx for responding , i have an 04 ecu in the car righ now and changed the 6 pins to make it work with the 05 harnes and is not responding , i did try 2 04 sti ecu and got the same result i wonder if im missing someting or just need to stick with the 05 stuf ,had this happened to anyone before ?thx again
Did you ever get the 04 ecu to work in the 05?
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Old 09-22-2018, 07:10 PM   #11
S65
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Chapter/Region: Tri-State
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2016 Sti

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I would not get rid off the immo. Sell the 04 ecu and pick up a set from eBay or from a part out.
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