Tacho wiring...help please

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neilwilson
Settled in member
Posts: 36
Joined: Thu Aug 26, 2010 8:57 pm
Bike owned: CBR400RR-L NC29 and Bandit 600
Location: Sunderland

Tacho wiring...help please

Post by neilwilson » Sat Sep 18, 2010 11:34 am

h guys, my nc29 had been stripped of a tacho for some reason, anyhow i sourced a spare from a nc23. ive came to connect it up and there is an additional wiring on the 23 (not just an additional lamp) than the 29? looking through the drawings the 29 has 4 wires, green 12v supply to tacho and lamp? red negative from lamp? and a yellow and green from tacho? the 23 has 3 wires from the tacho unit (yellow/green, green and black/brown. Does anyone know what the additonal wire on the tacho unit is for?

jac_is_smiling
Settled in member
Posts: 65
Joined: Mon Jan 19, 2009 5:39 pm
Bike owned: Cagiva Planet, NC23 x2, FZ 600
Location: Glasgow

Re: Tacho wiring...help please

Post by jac_is_smiling » Sat Sep 18, 2010 11:55 am

Solid green is the earth/-ve wire for the whole unit.
Brown/white is +ve for the lights inside it.
Black/Brown is +ve for the tacho its self, the 29 doesnt have this.
Yellow/Green is signal wire for the tacho.

You will be able to take the +ve wire (black/brown) from the tacho and tap it into the black/brown wire for the temp gauge.

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