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Which version are you using? I know Blue works for some people, as it's a bit simpler. I used EM-Ultimate for a bit for fuel only, but couldn't get it to do spark. I heard of someone more recently who used external Mitsu coils, then did some run-around using those coils, then through Emanage, then blah blah blah... It won't do our ignition straight up because it uses internal ignitors and had the incorrect signal for the emanage to recognize. This was, of course, over a year ago and they may have updates by now (See http://www.mohdparts.com ) Most of us find it more cost-effective and versitle to run Megasquirt, as you prolly know/read.
From my manual, the White EM wire is MAP input, and the Green is MAP output, with (you're right) MAP signal wire is Yellow/Black. TPS tap is Grey, RPM tap is Brown (which I think is the wrong color in Chilton's, at least for a '95. I believe it's blue/white on the car, not yellow/white as per Chilton's. Also my VSS is three wire with the Black/green being the signal for Emanage.
As for the injectors, it doesn't really matter where you splice in. I did mine in that sort of open area by the transmission behind the fans. They get hooked up like the diagram, Emanage INJ1 in/out: Blue/Red, Blue/Grey, INJ2: Orange/Red, Orange/Grey, INJ3: Yellow/Red, Yellow/Grey, INJ4: Purple/Red, Purple/Grey. Stock harness INJ1: LightGrey/Blue, INJ2: Yellow/Red, INJ3: Yellow/Grey, INJ4: Light Grey/Red. You're going to get an Injector CEL when you do this, so hopefully you're not in an area with inspections. Mine is able to bypass with the injector emulator, but your ECU checks O2 reading based on INJ PW changes (Thanks Terry) so it pops the code out after an hour or so irregardless. />
'95 GS w/ t3/t4b FMIC, diy piping & RFL BOV MS2-Extra Fuel&Spark 50 lb/hr Holley injectors w/ 1:1 RRFPR JE 8.8:1 dish w/ Hastings Rings Eagle Rods w/ ARP bolts ARP Head studs Mild port/polish head 3" custom DP/cat section, 3" PIT catback dual MBC - 12 psi / 20psi
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