 Tacho test for output from Permatune CDI ?, any way to test with multimeter for a pulse ?. |
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| porschetub |
 Sep 27 2022, 03:57 PM
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Advanced Member  Group: Members Posts: 4,697 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None  |
Have issue with 2 tach's not working and after testing all connections @ tach and Tach-adapt I'am left with the black/purple wire from the CDI (3 pin) to test.
My later tach (low voltage ) will cause the Tach-adapt LED to come on with the ignition on and the needle bounces when cranking however with engine running ...nothing. My early tach (high voltage) isn't working and this is the one I will convert to Ashlock-tech circuit board replacement but need to know the pulse from CDI is working. TIA,cheers. |
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Posts in this topic
porschetub Tacho test for output from Permatune CDI ? Sep 27 2022, 03:57 PM
Spoke Most likely the answer is no. Multimeters are good... Sep 27 2022, 04:01 PM
porschetub
Most likely the answer is no. Multimeters are goo... Sep 27 2022, 04:59 PM Retroracer Agree that a 'scope is best for debug of the C... Sep 27 2022, 07:18 PM  |
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