Help! No Spark!

[EvanZ]

This is on a USDM AFM car, if that makes any difference. I'm trying to get it running before my birthday on the 27th. Any help is much appreciated.

Background: The car is an SR5 with a 4age conversion. I used only the engine harness, not the body or dash. I put in my own switch for the fuel pump too.

Here's the problem- I have no spark. I am using an AE92 distributor, which has different plugs, so I hooked up the red and white from the distributor to the red and white on the coil/ignitor plug. And I hooked up the green and white to the black and white round green plug on the GTS harness. Anybody know if that is correct?

Also, I have no spark, and a brand new ignition coil. I used a tester and found out I'm getting Positive power on both sides of the coil, but no spark from the plug wire which run to the distributor.

What I know:

There is no injector resistor box in the car, however I believe it goes to the large, 3 wire round connector on the passanger side of the car. Also, I have one large plug from the harness which I am assuming goes to the dash things, and one open socket (the 14 pin one on the right I think) on the ECU.

So I am wondering if A) the distributor is hooked up right and B) how messed up my wiring is.

Thanks,
Evan

[Bobomacho]

do these have crank angle sensors

[EvanZ]

Not that I know of.

Also, I found out I am missing the large ground from the block to the body (whoops). But that shouldnt make a difference in whether or not I have spark when I'm holding the wire from the coil to the distributor near the body.

I am thinking that maybe the ignitor is bad?

Edit: I just found out there is a red and black wire under the fuse box which is ECU power, but not hooked up to my ecu because I dont have the dash wiring. I might look up the pin and try it myself. However, I am not sure if that is the case because I have power at the coil...

So now it's either ignitor or ECU power wire?

[mikewestphoto]

Fun times.

Your ecu requires power from that b/r wire if it doesn't already have it. If the injectors are firing as you crank the car then this will already be hooked up as well as power to the injectors. The coil should have power at the positive and the negative. The wire on the negative side of the coil should go to one of the pins on the ignitor.

If it'll help here's what I found earlier this year when using an AE92 smallport/1UZ ignitor.
http://www.ae86drivingclub.com.au/board/in...=ignitor+wiring (http://www.ae86drivingclub.com.au/board/index.php?showtopic=15804&hl=ignitor+wiring)

I don't really have an idea of what plugs you are talking about but get me pics of the the plugs and where they are and I'll figure it out. Also, can you refer to sides of the car as intake or exhaust as passenger's/driver's side just gets me confused because it's the other way round here in Australia.

Hang on, I'll figure out the distributor wiring now. This is a bit confusing as the wires change colour at the plug. Red goes to white, white goes to red, blue goes to black. That's for Jap AE82 distributor I have in my car but probably of no help to you until I get pics or look at my mate's AE92. Should be able to figure out which wires goes where by looking at the sensors inside the dizzy.

Anyway, Make sure your ECU has power first. Then sort out the CAS wiring.

[EvanZ]

Now I'm really confused.

I ran power wires to the ECU, and now have spark.

However, I am getting positive voltage out of both sides of my injector plugs. Is this correct? It just turns over and doesnt start. I know now it's narrowed down to fuel. I just want this bitch to run on my 16th birthday tomorrow. I've done 90% of the work (GTS swap) myself, and payed for damn near all of it too. This is really pissing me off...

[mikewestphoto]

If it has spark, don't touch that side of things.

The injector will have power at both sides of the plug. When the ecu tells it to fire, it grounds the side connected to the ecu creating a circuit for the current to flow around.