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    Ignition Switch Bypass
    #1
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    Alright, first post on this site. I've been searching for hours through my service manual and the forums trying to find why I can't get my 03 gsxr 600 started.

    Let me start by saying that I am not using the factory fuel pump.

    Also I do not have the harness for the gauge cluster so that is not plugged in.

    Also, the Side stand switch, I do not have a diode in it, but it should run with the circuit open as far as I can see.
    I have a running gsxr bike sitting right next to my rail and I'm seeing that I can start it without the gauge cluster and any position with the kick stand as long as the clutch is in or I am in neutral.

    Oh also I don't have the rectifier right now either but the diagram only shows power and ground going in and then straight to the generator

    I also do not have an ignition switch, I am trying to bypass it. Nothing in the manual says anything about diodes or resistors, but I have a feeling there may be one. What I have done is taken Red and Orange and spliced those together, taken O/Y and B/W and spliced those together, as well as Gr and Br. I finally got to the point where I can flip my starter switch and it cranks over but I don't have spark. I have the TO sensor mounted properly (I think) it say up and its up.


    Any ideas? Thanks in advance!!! Rich.
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    Re: Ignition Switch Bypass
    #2
    Super Moderator rowycoracing's Avatar
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    Welcome to MBN!

    Yes there is an anti-theft cricuit in the key switch so that someone can't just hotwire the bike. There should be a lead going back to the EDU that is the anti-theft circuit. It needs a resistor. Do you have the wiring diagrams? As long as the bike is in neutral and/or the clutch is in (clutch switch activated) the side stand switch won't stop you. It will only kill the engine when you try to put it in gear if it thinks the side stand is down.
    Last edited by rowycoracing; 02-08-2009 at 01:55 PM.
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    Re: Ignition Switch Bypass
    #3
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    Cool, I ran across this info on gixxer.com forums. I figured a race bike setup would be identical to out situation. Hope this helps others out.


    Re: Race Wire Harness
    as far as the key what you need to do is this:

    Parts:

    100 Ohm Resistor, 1/2 watt, 5% tolerance: Radio Shack part 271-1108
    18-20 Gauge Wire (two different colors)
    Electrical Tape

    I soldered all of the connections. If you would rather use connectors and
    a crimping tool, you will need to have a supply on hand. I am not sure how
    one would install the resistor with out a soldering iron.

    ------------------------------------------------------------------------

    Here is the legend for the various wires involved in the re-wiring:

    Wire Colors and Functions (Right Handle Switch (Kill Switch)):

    O/B (Orange with Black Tracer) -- Kill Switch
    O/W (Orange with White Tracer) --

    Wire Colors and Functions (Key Switch):

    Br (Brown) - Tail Light
    B/W (Black with White Tracer) - Ground
    Gr (Gray) - Instrument Cluster Light and Horn
    O (Orange) - Ignition
    O/W (Orange with White Tracer) - Cooling Fan
    O/Y (Orange with Yellow Tracer) - ECU
    R (Red) - Power (+12v)

    ------------------------------------------------------------------------

    Removal:

    The first step is to remove the two wiring harnesses that will be
    modified: the key switch and the right clip-on switch cluster. Find and
    disconnect the connectors that connect these harnesses to the main wiring
    harness. The key switch has two connectors along the right frame spar.
    The right clip-on switch cluster has a connector just in front of the
    radiator on the right side. You will have to open some zip ties and a
    clamp to get the harnesses free.

    To remove the key switch, you will have to take off the top triple clamp
    and remove the two tamper resistant Torx bolts. I do not have the correct
    Torx bits so I drilled the heads of the bolts off. To remove the right
    clip-on switch cluster, you will need to disconnect the throttle cables
    from the cluster.

    ------------------------------------------------------------------------

    Key Switch Harness Modification:

    This one is actually quite simple. Start by cutting all the wires 2" from
    the main connector. Cut the Br and Gr wires at the connector so they are
    slightly recessed since they will not be used. Cut the O/Y and B/W wires
    to 1" in length and solder a lead of the 100 Ohm resistor to each wire.
    Insulate the wires and resistor with Electrical tape to keep the O/Y and
    B/W wires and resistor leads from touching. Leave the R and O wires at 2"
    for now.

    ------------------------------------------------------------------------

    Right Clip-on Switch Cluster Harness Modification:

    The goal here is to re-wire this harness so the circuit the kill switch
    normally controls is always connected (run) and to have two wires coming
    out of the harness connected to the kill switch.

    In the run position, the kill switch completes a circuit between the O/B
    and O/W wires. The O/W wire actually connects to the starter button and
    the kill switch. A "Y" is formed about 4 inches down the wiring harness
    from the switch. Cut into the sheath and find where the O/W wire forms the
    "Y" and cut the O/W wire that leads to the kill switch. Cut the O/B wire
    at the same point in the harness and solder it to the O/W running to the
    Starter Switch. Run a pair of wires through the sheath and connect them to
    the O/W and and O/B wires from the kill switch. Leave about 3" of wire
    hanging out from the sheath at the connector end. Use electrical tape to
    insulate all of the connections and to cover the cut in the sheath.

    ------------------------------------------------------------------------

    Putting it All Together:

    Take the key switch harness and right clip-on switch cluster harness
    connectors and plug them into the corresponding connectors on the main
    wiring harness. Look at the R and O wires coming from the key switch
    harness and the two unconnected wires coming from the right clip-on switch
    cluster harness. If needed, cut the appropriate amount of wire from the
    right clip-on switch cluster harness to allow for an uncluttered
    connection.

    Unplug the key switch harness and right clip-on switch cluster harness
    connectors. Connect the R wire from the key switch harness to an
    unconnected wire from the right clip-on switch cluster harness. Connect
    the O wire from the key switch harness to the other unconnected wire from
    the right clip-on switch cluster harness. Use electrical tape to insulate
    all of the connections.

    Put the kill switch in the "stop" position and plug the connectors in
    again. Put the kill switch in the "run" position. The bike should power on
    and be ready to start. Try starting the bike. If it starts, you are just
    about done.

    ------------------------------------------------------------------------

    Finishing Up:

    Reinstall the right clip-on switch cluster and clean up the wiring harness
    connections.
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    Re: Ignition Switch Bypass
    #4
    Junior Member crazyawesome's Avatar
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    Man thanks, I was just having the same trouble. Man thanks for saving the day....
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    Re: Ignition Switch Bypass
    #5
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    Not a problem, I hate it when people have problems I have, find the problem, and then never share. I see this is stickied already, glad to help everyone out.


    FYI just fired it up, that writeup worked like a charm. No rectifier, gauge cluster, or fuel pump installed at the moment.
    Last edited by azmsp84; 02-08-2009 at 08:00 PM.
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    Re: Ignition Switch Bypass
    #6
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    Does anyone know how to do the same thing on a 05 R1 motor? The ignition switch doesnt have a ground wire..
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    Re: Ignition Switch Bypass
    #7
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    anyone know how a 2009 gsxr 750 wopuld be no black wire in the harness just 3 orance and a red
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    Re: Ignition Switch Bypass
    #8
    Senior Member
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    That writeup assumes you have the ignition switch, which I don't. Has anyone tried bypassing the ignition switch using the connector from the main harness that the ignition switch harness used to plug into? And does that connector have the same color wires? Reason for asking is because I can't find a connector using these color wires.

    EDIT: Never mind. I think I found it, but instead of 7 wires mine just has 5 wires. R, O, O/Y, O/G, Br. I'll see if I can bypass it.
    Last edited by wikisi; 03-06-2011 at 05:48 PM.
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    Re: Ignition Switch Bypass
    #9
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    06, gixxer 600 in a buggy.

    The above ANTI-THEFT modification is for an 03 gixxer.

    In my 06, there is NO BLACK WIRE.

    Can anyone help me?
    Last edited by fritster; 02-07-2012 at 09:16 AM.
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    Re: Ignition Switch Bypass
    #10
    Junior Member sandjunkie81's Avatar
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    gilbert, az
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    Default
    Quote Originally Posted by fritster View Post
    06, gixxer 600 in a buggy.

    The above ANTI-THEFT modification is for an 03 gixxer.

    In my 06, there is NO BLACK WIRE.

    Can anyone help me?
    If you still need help im me.I will simplify for u.
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