Wiring Apexi Avc-R to 90-93
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Hello, I was wondering if anyone else tapped wires from an APEXI-AVC-R onto their ecu harness for their 90-93 miata's. From looking at the wiring diagram I found from Google, I came up with what I can:
-Red (IG POWER) BLUE/RED 1A
(Connection 1)
-Purple (rpm signal & injector signal) 2I - BLACK/WHITE
(Connection 2)
-Green (ground wire) - BLACK
-Black (ground wire) both must be on same circuit - BLACK
(Connection 2)
-Gray (throttle signal) Yellow/black or Yellow
(Connection 2)2U or 2V
-White (speed signal) - BLACK/RED 1M
Please verify this someone. Thank you.
From the manual:
![](https://www.miataturbo.net/attachments/ecus-tuning-54/128465-wiring-apexi-avc-r-90-93-avcr1.jpg?dateline=1417380924)
For our wiring/ecupin out:
-Red (IG POWER) BLUE/RED 1A
(Connection 1)
-Purple (rpm signal & injector signal) 2I - BLACK/WHITE
(Connection 2)
-Green (ground wire) - BLACK
-Black (ground wire) both must be on same circuit - BLACK
(Connection 2)
-Gray (throttle signal) Yellow/black or Yellow
(Connection 2)2U or 2V
-White (speed signal) - BLACK/RED 1M
Please verify this someone. Thank you.
From the manual:
![](https://www.miataturbo.net/attachments/ecus-tuning-54/128465-wiring-apexi-avc-r-90-93-avcr1.jpg?dateline=1417380924)
For our wiring/ecupin out:
![](http://www.miata.net/garage/ECU_Pin-Out.png)
Last edited by AdoboMiata; 11-30-2014 at 06:42 PM.
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Zaphod
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