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Old June 14th, 2022, 02:34 PM   #9
Deezg
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Name: Kevin
Location: Detroit
Join Date: May 2022

Motorcycle(s): 1994 ninja 250

Posts: 27
Quote:
Originally Posted by DannoXYZ View Post
There's also risk that used harness will also have some bad wires as well. I picked one up for free that also had bad black coil-trigger wire to harvest connectors for EFI upgrade. So used harness will also need to be tested and verified good before using. In which case, you might as well test yours.

Multimeter is cheaper than harness, faster results: HF - multimeter

How to use multimeter to measure wire resistance:
https://learn.sparkfun.com/tutorials...multimeter/all

Again, simple test to see if tach is interfering is to just unplug it. Then check for spark on #1. Depending upon how it's connected, might even be damaging to ignitor.
Just unhooked both ends and the coil. Tested on 2000 ohm and its reading 1618 ohms so its not an open circuit i would assume. Reads the same with the tach hooked up. Good coils. New plugs. Getting AC from the pickup. Kill switch works. I can honestly say im stumped once again. Everything ive tested is leading me back to the cdi box. But from what i understand its rare for them to just go bad 😕
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