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there is none on the sv acording the the hayns manual.
All that ignition does is. When in P mode: Brown + Red (Power to side light and rear light) When ignition is switched on: Brown + White (Power to Light Switch for Side Light & Instument Lights) Orange/Red + Black/White (Power for Engine Circuits, Horn, Various Lights) Orange + Red (Power for Various Lights) That is the way the ignition bridges the wires. No resistor is shown in the wiring diagram. This is the best info i can gather from tracing the wires, its a bit confusing though. You could try to bridge the pairs of wires and see if the bike starts. |
There is a resistor in both model's,
Curvy:- one of the orange wires, when given a feed will go through the resistor and the feed from this is the black wire with a white trace Pointy:- When the main feed has power the resistor output is the smaller orange wire with a red trace Just put a multi-meter (set on continuity)across each combination of wires and you'll see which pair has the resistor. It cuts the coil feeds not the starter circuit so it will turn over. Can be a bit of a headache if you dont know about it when race prepping!! |
What you are saying contradicts the wiring diagrams.
You dont actualy power the coils acording to the diagram, you power the CDI which inturn powers the coils. It does not show any resistors in ignition circuit switch. The orange wire (with red tracer) goes directly to the CDI unit (which is giving you resistance), the black wire (with white tracer) is negitive directly from the battery. This is how i read the diagrams. |
Hi All ,
Cheers for all the tips and information but still no joy.......... Cheers Jon |
Sorry didn't use a wiring diagram!!
All I know is if you take the ignition barrel apart there is a resistor in these wires and if they are not powered the bike don't start!! |
Hi mate cheers for the reply about the resistor in the ignition switch. I tried the resistor over the wires but no joy. I think i will take the switch appart in the morn and check the resistor and the connections inside the switch.
Cheers Jocky |
The resistor is a 100 ohm resistor and it sits in the ignition barrel between (IIRC) the middle 2 contacts, which are the orange/red to black/white as per RobW's post. It's not shown on any wiring diagrams, and without it the CDI won't produce a spark.
TSM - are you talking about the curvy wiring diagram? My understanding was there are 3 pairs of wires: Red - Orange - the controls the main power to all of the bike's circuits. Orange/Red - Black/white - this is the anti-hotwire device and it does nothing other than connect the CDI to earth via a 100 ohm resistor. Without this resistor, the CDI won't produce a spark Brown - Green - Lighting The black/white wire may look like it does a lot else but its the common earth and pretty much everything on the bike connects to this at some point. So, Jocky, measure the resistance between the connections for the Orange/Red and Black/White wires on the ignition barrel. I believe these are the middle 2 connectors. Use a small range as 100 Ohms is small. If there's no resistance, you can cut one of the wires and solder a 100 ohm resistor in series with it. Or try another barrel. |
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