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Old 02-10-2004, 05:20 PM   #13
Scooby Specialist
Member#: 5743
Join Date: Apr 2001
Chapter/Region: Tri-State
Location: nj/nyc
2007 Kia Optima
gold brick

Default Re: Success at last.

You can always split the IGN2 or ACC into 2 relays to isolate them from the appropriate circuit so that it won't bypass your Clutch all the time.

this one is easy...

12 volt relay
Ign2 or Acc which ever isn't tapped to the Ignition Harness to Pin 86
Pin 85 to ebrake wire
Pin 87a to true ground
Pin 30 to Hood Pin Input

You should install a quenching diode across Pin 86 & Pin 85. This will prevent any feedback to the ebrake circuit when the voltage drops between the coils. Cathode/Ring side facing Pin 86, Anode side facing Pin 30.

When you attempt to remote start with the ebrake engaged everything is fine. Once you disengage the ebrake the hood pin input will receive ground which will shutdown the remote start.

If you prefer to send 12 volts to the brake input then you can change Pin 87a to 5 amp 12volts and Pin 30 to brake light input. Using the ground is probably the preferred method.


Originally posted by BritSti
Well, day 3 of this install has bought success for the most part.

NetZ is right, there is no status output which could be used on the Omega Rallystarter. I did decide to use a relay with the following setup:

Pin 30 - Ground
Pin 85 - Starter Wire off remote pack
Pin 86- Ground
Pin 87 - Non-Ground side of clutch

IGN1, IGN2 both provide 12 volts positive all the time while the remote start is on and when the car is started normally, using either would result in a permanent bypass while the car is running as far as I can tell.

The current setup works great and bypasses the clutch when the remote start is initiated and the car started.

HOWEVER...... this also bypasses the clutch when starting the car with the key, as the same starter wire passes positive voltage when using the key, which makes sense.

I do have the neutral sense working, which is good, I did try to tie the parking brake (light green wire) into the clutch bypass relay.

This didn't work, it seems my parking brake provides enough of a ground (whether up or down) that the clutch bypass relay still has the 2 grounds needed.

So, overall, it integrates with the OEM alarm very well, however the Omega Rallystarter seems to limit your options on a manual transmission (Status ouput, parking brake line in etc etc). I did have to use another relay to convert the door lock pulse into a ground to trigger the remote start activation. So 2 relays later, the Omega Rallystarter is not plug and play for WRX's or STi's.

Any thoughts on the best way to use the ground signal of the parking brake (while engaged) as I would like to have two points of failure, the neutral sense and then a parking brake check before this thing starts.
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