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25-08-2013, 06:01 PM | #1 |
Junior Member
Join Date: Jun 2012
Location: adelaide
Car: 1990 mazda 323 bg sp
Posts: 102
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need ecu help!
I need to know on my ecu for my bg astina 1.8 what wires are 12v power, earth, RPM signal and ignition signal if anyone could show me what wires are which on my ecu that would be great any pics or diagrams would be real Helpfull
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26-08-2013, 11:23 AM | #2 |
Senior Member
Join Date: Apr 2011
Location: Brisbane, QLD
Car: 2000 BJ Protege
Posts: 714
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26-08-2013, 12:47 PM | #3 |
Senior Member
Join Date: Jul 2010
Location: Wollongong
Car: 95' Mazda BA 323
Posts: 747
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All can be found with a test light.
12v power will be a constant power Earth, well just find a nice bolt to metal somewhere Rpm, will be a NEGATIVE pulse, that will pulse harder when you rev. Ignition will be a power, only when the key is turned to reds on the dash.
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