2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

ecu harness question

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Old Apr 16, 2002 | 09:35 PM
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RoToR MaN's Avatar
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From: virgina
ecu harness question

does any rx7 87 turbo owner know witch plug the bac valve's conector plugs into the ecu. I am trying to find out if there is a short in the wire and i dont know where the other end is any help would be much appreciated
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Old Apr 16, 2002 | 09:55 PM
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From: virgina
any one help please
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Old Apr 16, 2002 | 10:17 PM
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From: FORT WORTH, TEXAS,USA
Pin 2Q. EDIT: Its the middle plug. The plugs are labled from right to left looking into the back of the plug with it connected. 2A is far ight on the top row. 2B is just below, 2C is...............and on and on it goes until you get to 2Q.

Last edited by HAILERS; Apr 16, 2002 at 10:21 PM.
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Old Apr 16, 2002 | 10:28 PM
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From: Grafton WV
Is there a diagram anywhere that shows what all the wires are coming from into the ECU?
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Old Apr 17, 2002 | 07:16 AM
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From: FORT WORTH, TEXAS,USA
86rx7gxl........see this thread https://www.rx7club.com/forum/attach...&postid=488879 and the jpg that I attached for the ecu. Also go to http://iluvmyrx7.com and download the wiring diagrams from the 88 model factory manual. Oops, make that https://www.rx7club.com/forum/showth...threadid=59266 or https://www.rx7club.com/forum/attach...&postid=488871 or https://www.rx7club.com/forum/attach...&postid=488875

Last edited by HAILERS; Apr 17, 2002 at 07:23 AM.
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Old Apr 17, 2002 | 09:22 PM
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From: Grafton WV
hey thanks
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