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Top 2GNT Technical Performance/Engine topic #137337
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Subject: "420a pinout help, 99 Eclipse" Previous topic | Next topic
imaracer83Sep-17-12 04:54 PM
Member since Sep 13th 2012
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#137337, "420a pinout help, 99 Eclipse"


          

Hey guys, could anybody help me with the ECU pinout please? I'm having major trouble trying to locate the correct pins to tap into for O2 sensor signal, and ENGINE ground pin. I'm not sure why it's so hard to locate but I seem to not be having much luck. Thank you to all that can offer any help!

  

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RS420A_MPSep-17-12 04:57 PM
Member since May 09th 2009
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#137338, "RE: 420a pinout help, 99 Eclipse"
In response to Reply # 0




          

there you go...

http://www.2gnt.com/index.php?d=ECU_Pinout

_______________


AFX ECU, Crane 12's, OBX cam gears, UDP, 60MM Jeep TB, P&P IM, AEM CAI, Pacesetter Headers, Test pipe, Eibach Pro Kit lowering springs,BRK-5e, MSD ignition and more!

  

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imaracer83Sep-17-12 05:29 PM
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#137339, "RE: 420a pinout help, 99 Eclipse"
In response to Reply # 1


          

Question, they're different in some years. Is the reason the 99 isn't posted is because it's the same as the 98 pinout? Thanks for the reply

  

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imaracer83Sep-17-12 05:30 PM
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#137340, "RE: 420a pinout help, 99 Eclipse"
In response to Reply # 1


          

AND, there are 2 grounds, pins 10 and 50, are they both ENGINE grounds? Thanks again?

  

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RS420A_MPSep-18-12 08:51 AM
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#137341, "RE: 420a pinout help, 99 Eclipse"
In response to Reply # 3




          

those are grounds for the ecu, you would not find a "engine ground" in the ECU, if you wanna get "engine ground" bolt a wire to the engine, but in the car, a ground is a ground; the best and more "constant" ground is from the battery terminal

my personal recommendation, install a grounding kit and then, take a ground from any place

_______________


AFX ECU, Crane 12's, OBX cam gears, UDP, 60MM Jeep TB, P&P IM, AEM CAI, Pacesetter Headers, Test pipe, Eibach Pro Kit lowering springs,BRK-5e, MSD ignition and more!

  

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RS420A_MPSep-18-12 08:54 AM
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#137342, "RE: 420a pinout help, 99 Eclipse"
In response to Reply # 4




          

and if you are installing a narrow band A/F Gauge take the signal from the pin #30 White / Black stripe, that one belongs to the front O2 sensor signal

_______________


AFX ECU, Crane 12's, OBX cam gears, UDP, 60MM Jeep TB, P&P IM, AEM CAI, Pacesetter Headers, Test pipe, Eibach Pro Kit lowering springs,BRK-5e, MSD ignition and more!

  

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