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2008+ wrx steering wheel into 04 sti

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=134327
Printed Date: July 02, 2025 at 5:38 AM


Topic: 2008+ wrx steering wheel into 04 sti

Posted By: offroadzj
Subject: 2008+ wrx steering wheel into 04 sti
Date Posted: June 06, 2013 at 7:12 PM

No questions here, just wanted to 'show off' my latest 'creation'... a 2008+ WRX steering wheel with built-in cruise and audio controls into my 2004 STi. It required some custom wiring, but the spline and everything matched up. Then as far as the airbag goes, I was able to transfer my single stage airbag charge into the new airbag (instead of the dual stage that comes with the 08+)

Resistors removed from the 08+ cruise control circuit board and new wires soldered on:
posted_image

OEM and new wires tucked neatly away in shrink tubing:
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Diodes added to prevent back-feeding from new wires:
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Soldered, taped and shrink tubed:
posted_image

Wires cut and spliced into 2004 connector:
posted_image

Not taking any chances of a ground coming loose and having to pull the airbag again to repair it. Wires soldered to ring terminal:
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Button panels mounted and wire harness completed:
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Completed and installed (along with iDatalink Maestro steering wheel control):
posted_image

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Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205



Replies:

Posted By: pts760
Date Posted: June 10, 2013 at 10:16 AM
That's really creative and innovative. Awesome!

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I drink current, eat ohms, and bleed voltage





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