Claudio RX-7

iTrader: (1)

Well, that is understandable, if your harness is in 100% working condition, then you can use the patch loom, but technically it just costs the same. I sell the E6X flying lead kit with temp sensors and internal 2.5bar/22psi map sensor for 1150 shipped in the US.

djmtsu

iTrader: (3)

I would be very interested in this.

I am on the fence about which EMS I want to run, and this is looking good. Here are my choices:
1) Apexi PFC w/ Banzai Racing PNP adapter
2) Zeal Megasquirt PNP (if it ever comes out)
3) Haltech E8 with PNP adapter from Tweakit.net

To be honest, I'd rather have an E6X.

My harness is in 100% operational condition, so the patch loom would be perfect for me. (also I like my windshield wipers)

So I'm looking at how much? And how long before I can buy?

Claudio RX-7

iTrader: (1)

Well, you have 2 choices, piggyback styled, using a patch harness in between your stock ECU and stock harness, or full plug in loom that completely replaces your stock ECU. On an FC i would say that you could go with the E6X and not have to worry about too many things to control, but on an FD i would say that the piggyback style is better, that way you dont have to worry about rewiring things like the dash/gauges, A/C, whipers, and any other stuff that goes through the harness.

If your car is an FC, and you want to take out your stock ECU completely, you can take your engine harness and separate the connections/wires for the wipers and the vehicle harness connector that you need to leave on there so the wipers work and your water temp gauge works, since the engine temp signal passes through there too.

Let me know what you wanna do. You might also want to SWING BY THIS THREAD.

djmtsu

iTrader: (3)

I just read up on the wipers and coolant temp wiring. Not a big deal. I actually am using an autometer gauge solely since the dash gauge is worthless. Therefore I would ditch the stock ECU completely. I have an S5 FC TII.

And the GB is looking good. I would need to know however when the GB would end so I know I have the money allocated to it!!!

Claudio RX-7

iTrader: (1)

Well, the GB is opened to all, someone said they'd like to do it by the end of may, but thats kinda too long a wait, specially if most of the guys that want in are already read.

But i hope people get read soon enough.

slo

iTrader: (1)

how about an FD patch harness allowing the user to run a haltech in parallel with the stock harness, giving the haltech exclusive controll of the Fuel/turbo's/idle/ignitinon, and allowing the stock computer controll of the A/C/emisions/PS/auto trans (if present)/other accessories.

The OEM computer might be able to retain idle controll using the BAC, I don't know what the ramifications of that would be.

Well executed it would need a board with several resistors to keep the oem computer functioning.

If the person so chose they could use the harness with or without the oem computer. It seems like this would be the easiest way to make a haltech plug and play and satisfy the greatest number of customers.

Claudio RX-7

iTrader: (1)

I can honestly tell you that having done both, if you leave the stock ECU in, which has a host of different functions and things running through it, it works just fine. For example, leaving the idle control to the stock ECU at first with not that big a mod list works, and the car idles fine, but when you start getting into the realm of the bigger turbos, heavy porting and such, its better to let the aftermarket EMS do that.

Also, on a lot of installs, the AC is tricky, and requires an input and an output from the ECU, and ive seen cases where the Haltech wont operate it properly, thus requiring that you leave the Stock ECU in place.

There's also some issues with grounding and positive leads that run to and from the OEM ECU which if not tended to on a full stand alone plug n play replacement will cause problems.

So, to answer your question slo, if you would like to leave your stock ECU in place i can certainly accomodate you, look at the picture with the haltech short loom connected to a patch harness, thats what i can offer you, no problems there.

And doing it like that lets you start off with the basics and later add things as you move forward in the mods/power departments.