| Go back to previous topic | | Forum name | Performance/Engine | | Topic subject | 420a pinout help, 99 Eclipse | | Topic URL | http://forums.2gnt.com/dcboard.php?az=show_topic&forum=5&topic_id=137337 |
137337, 420a pinout help, 99 Eclipse
Posted by imaracer83, Dec-31-69 06:00 PM
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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137338, RE: 420a pinout help, 99 Eclipse
Posted by RS420A_MP, Dec-31-69 06:00 PM
there you go...
http://www.2gnt.com/index.php?d=ECU_Pinout
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137339, RE: 420a pinout help, 99 Eclipse
Posted by imaracer83, Dec-31-69 06:00 PM
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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137340, RE: 420a pinout help, 99 Eclipse
Posted by imaracer83, Dec-31-69 06:00 PM
AND, there are 2 grounds, pins 10 and 50, are they both ENGINE grounds? Thanks again?
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137341, RE: 420a pinout help, 99 Eclipse
Posted by RS420A_MP, Dec-31-69 06:00 PM
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
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137342, RE: 420a pinout help, 99 Eclipse
Posted by RS420A_MP, Dec-31-69 06:00 PM
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
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