Thread: Cdi tester
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dicklague dicklague is offline
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Join Date: Jul 2008
Location: Next to Mulholland [west]
Posts: 2,559
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An update on the CDI tester idea.

I have been working on a unit that basically is a square wave generator. Same concept as the MSD unit but at a fraction of the price.

The idea is to have a square wave to trigger the CDI so that you can see if the CDI and coil system is working.

This can be done in the car or on the workbench. The tester could be used to troubleshoot other items that use a square wave input like a tachometer for example.

Currently I am working on a unit that can put out a single frequency and another unite that has 2 fixed frequencies. These frequencies would correspond to idle and high RPM like 10K.

The single frequency could be 2000 RPM.

Packaging would be a small case with 3 wires coming out of it with alligator clips on the end. Red and black for power and ground, and third white wire for square wave signal output.



I am shooting for a less than $50 retail price on these simple, but I feel very handy testers.
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Old 06-11-2014, 10:20 AM
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