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Discussion Starter · #1 ·
Experts, I'm installing an aftermarket speedo that needs to tap into a wire from the CDI for the RPMs. Looking at the drawings it appears to me that the Black/White wire is the one to use, but just need confirmation before making cuts. Thanks.
 

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Discussion Starter · #3 ·
The black/white is the killswitch so i doubt it will be that.

Try one of the low speed pickups.
So that looks like Orange/White or Light Blue/White, correct? I'm a mechanical engineer...all this mystical electrical wizardry makes me nervous.
 

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Discussion Starter · #6 ·
Great, thanks.
Can't believe this was 8 months ago...

Here is a pic of where I spliced a white wire into the blue wire for RPM connection in the cheapo speedo. When I started it on the weekend, there was no RPM reading. Before I start trouble shooting in the wrong direction, have I missed something obvious or spliced into the wrong wire?

207774
 
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