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**Steve** · 04-09-2013, 03:37 PM

Do you have a wiring diagram?

Do you know how to follow it?

Basically, there is a powered wire that feeds all the lights in the display panel. All of the earth wires travel down the main harness to the selector that is down by the front sprocket. There, there is a wiper that moves with the shifter drum and makes contact with the proper wire and completes the earth circuit.

Places to check:
1. verify that you have power at each of the bulbs in the display
2. verify that a connector is secure from the back of the display/instrument housing to the main harness
3. there is a connector that is usually under the tank, probably closer to the carbs, that has a sub-harness that goes down to the sprocket area.
4. verify clean connections and proper spring tension in the selector switch. CAUTION: if you remove the selector switch, there is a spring-loaded ball in there that is VERY easy to lose.

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**Doona** · 04-09-2013, 04:20 PM

Cheers Steve. I do have a wiring diagram and have been studying it. The bike has clearly had a bit of work on the loom in the past (all tidied up now) I have power to the selector switch, but haven't stripped it down yet (will be careful to not lose the ball)
I'll have a look as you have suggested and get back to you.
Thanks Rich

**Doona** · 04-14-2013, 02:29 PM

Hi, bit of an update. I've removed the sensor and it is very scored across the contact area. So much so that I suspect it is completely broken.
Anyways, does anyone know if new ones are still available or even the part number? Ta