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Speedo Conversion, Where to take the live from?

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Hi guys,
Currently in the middle of changing the speedo from KPH to MPH, I've soldered in the signal feed and the converter but where should I take the live feed from and ground? Is there anything on the same loom that can be used? I did see a driftworks post of someone saying that there and positive and negative terminals on the back of the actual instrument cluster but I cant seem to see them.
Cheers
 
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Just commenting to follow.

Did read something about this before but i stole power from the fusebox and run the wire up, not how I would like it permanently but it did the job
 

Joeh

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Worst case the radio is not far, you can take it from there. Normally I would search by using a multimeter and check a few wires one by one with the ignition off and on. Usually positive on Japanese cars is a yellow wire with a red line.

Hope that helps
 

immy21

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Use a multimeter or test light to find ign 12v
That's what I done, same plug as signal wire but can't remember which wire it was.
 
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