Electronic Distributor Adapter

[turbo.shaft]

Quote:

Originally Posted by 90TurboVan No, no, the Neon computer sensed that the coils weren't charging because they weren't hooked up to the Neon harness and rev limited at 4k. I'm not setting dwell in the adapter, leaving that up to the stock computer. I also noticed no misfires up to 7k.

Does this mean it is working and done

We still are snow free and ready for seat of the pants test runs

[90TurboVan]

This next week is my last week of classes, so I will have enough free time to finish/test. The synchronization and spark direction parts are done, but I still need to put in the simulated HEP outputs. I hope your 2.4 runs on the stock calibration, my hybrid doesn't want to go over ~1/8 throttle but idles fine, not sure if its the cal or not...

[amiturbo]

so where can i buy one of these?

[WVRampage]

Id like to run one on my 8 valve for now untill I get teh hybrid done,I down loaded your file and cant get it to open due to something with my computer,would yu be interested in building me one?PM me if you would be interested and we can work out a price or something.

[90TurboVan]

PM'ed both the above...

[90TurboVan]

Pics are always good. The connector in coiled in the box is just there because that's my test adapter, need it for easy reprogramming. I'm working on get a serial dump of data from the adapter to try and diagnose exactly what's going on like someone suggested before. Got a fancy USB-Serial adapter that lets me run really fast baud rates so I can do a datalog of sorts.

[turbo.shaft]

So did you figure out why it does not work on the first gen 2.0/2.4 yet?

A second question is could the adaptor be ues for BOTH the early and NGC on the same controller with a switch between the two systems? This would allow the use of most similar components also. Just a thought.

[90TurboVan]

What's in the pics is what is used for hybrid, ngc, and non-ngc. Only difference is the program that I put on the chip.

So far I think I've gone through five different ways of decoding the 2.0/2.4 cam and crank. Each one worked on the bench and not on the car. I'm leaning toward noise as a possible reason for it not working. Right now I have it outputting a pulse when it sees a valid TDC crank signal, but the pulses come out longer than they should be or in completely wrong places. There are also pulses that are correct, at idle, there are almost no wrong pulses. I'm working on the serial interface so I can have it tell a computer when any of the inputs change and then graph it so I can see exactly what the adapter is getting as an input. I don't see how noise can be an issue, though, since I'm using the exact same hardware in my hybrid adapter which has been running for a little over 100 miles on my 2.5.

[crazymadbastard]

I am grateful that you are taking this on and not giving up.
Put me in line for one too! I want one to drop a whole 2.4 into mine using my sbec2 electronics. I hope you don't take the following the wrong way. Have you gone over each solder with the gun? those things look very tiny and perhaps one of them worked loose.

[90TurboVan]

Checked them out just for that reason, but they're all good. It's either "fast" noise coming from the harness in my Neon that I can't see on the scope or noise causing a reset on the microcontroller. A serial interface will hopefully tell me what I need to know. I guess it could also have something to do with the fact that I'm just tapping in to a running car, maybe the ECU is interfering somehow?

Do you mean SBEC? SBEC-II is the Neon era controllers, you wouldn't need an adapter to use them. If you're talking SBEC's, check out the moparchem forums, they're flashable now...

[crazymadbastard]

1992 sbec II for sure, I understand it is sequential injection and 3d maps. I sent it away to get a cal to fwd and then they socketed it and put a program on it. But I want a 16v cal once I get the 2.4.

[turbo.shaft]

Have you tested out the device for use with an NGC yet?

If so does it produce the same errors?

[gkcooper]

How far away are you for hybrid common block production pieces? Price? Will there be a kit available?

I want to get on the waiting list.

[90TurboVan]

Haven't tested the NGC code yet, no demand, no reason to.

Hybrids have been done for a while, more than 100 miles on one in my van. PM if you're interested.

[lametec]

Quote:

Originally Posted by 90TurboVan It's either "fast" noise coming from the harness in my Neon that I can't see on the scope or noise causing a reset on the microcontroller.

Could be some transient voltages on your trigger lines. Try some Schottky diodes to keep the inputs from going too high/ low and causing latch-up.

At the same time a diode in series with the power in wouldn't hurt.. it'll keep negative voltages from making it to your voltage reg. Automotive power is all kinds of dirty, with spikes of many volts in both directions.

It also seems that you have the pinout on the schematic (pin 1 being the one with the square pad) reversed from your readme.txt.

I also noticed that pin 11/12 are additionally reversed between schematic and readme.txt.