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  #1  
Old 18-11-2008, 19:43
northerner northerner is offline
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Found this on AUS12 site that GerryB posted about were to wire in what for novices like me

---The white plug by the ECU has the wires you need for these items ONLY!!

* orange wire = start signal, goes to start wire at your s12 ignition plug

* black wire = goes to earth

* blue/black stripe wire = goes to s12 temp guage = temp signal.

These are the only ones you use from the white plug!!--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

---The other wires are from the plug by the Maf connector in RED --

Black / Pink stripe
Fuel Pump Relay

Red / Black stripe
ECU Relay

Red
ECU Backup Power

Black / Red & Blue / Red (Note: connect 2 wires to 1)
Main Ignition Power

Black / White stripe
ECU Power

Brown (to O2 sensor)
O2 Sensor Power
Any 12v switched source


Yellow / Red stripe (or use the Diode to each Coil pack as suggested and take to the Silvia tacho)
Tachometer signal

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Last edited by northerner; 18-11-2008 at 19:52.
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Old 19-11-2008, 22:55
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If you follow that though you will wonder why there are a few red/black wires.

First time I followed it was when I wired up a T12. Ended up printing off the wiring diagram and following it from scratch.

Then when I came to do it on my 910 I pretty much knew what was what and had it running very quickly.
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Old 28-11-2008, 07:06
northerner northerner is offline
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Found a pic of the mutliplug on US site under the air box to help



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Old 03-12-2008, 13:42
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Default starts 2 make sense

With all these pictures it starts to become a bit clearer.
Think im getting there but i wish someone would post up pics of where al the wires connect 2 the s12 loom but this is a lotta help aswell.
But the relais box that with the 3 green relais that I pull out of the s13, can i just power it up straight from the battery?

Hope to have it running in a couple of weeks
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Old 03-12-2008, 14:15
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Default got a new guide

found this guide on an american site : http://www.club-s12.org/forums/index...ca18det+wiring

Its got all the relais ,alternator and starter under dash plug,
But nothing about where to hook the power transistor (or ignitor) up and the dropping resistor.
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Old 04-12-2008, 14:57
northerner northerner is offline
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the dropping resistor and ignitor had there own plugs on the S13 engine loom. Dont worry about them as when you plug in the rest of the engine plugs ie injectors/cas/afm etc you'll work out which ones.
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Old 04-12-2008, 15:18
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Default I hope ur right

the igniter doesnt connect 2 my ca18det engine-ecu loom but its placed on a separate wirng loom that goes 2 the s13 chassis loom and runs 2 the green relais. I thougt i had a foulty wiring loom but its complete and isnt cut nowhere, 30PSI told me to wire it 2 the relais box with the 3 green relais,Im trying to do that but still trying 2 figure out how to do it correctly
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Last edited by sjef200sxTurbo; 14-12-2008 at 13:26.
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