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help no spark

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Posted by: 93killerbee

had no spark in a 99 warrior so i replaced the coil still nothing motor turns over pull the plug and no spark tried two different plugs still nothing please help i also have two different cdi boxes and ive tried them both thanks for the help


Posted by: bwamos

Check your 12v power wires leading to your CDI.

Check the voltage when unplugged. Will read 12V +/-
Plug it in. Recheck. You'll probably see something like 0.5V
This means you have oxidized connections somewhere in your wireing harness.

Clean all the connections, and reonnect with dielectric grease to keep the water out wich causes the oxidization. When opperating properly, you should get 12V on the power line at the CDI when it is both plugged in and unplugged.




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