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Join Date: Dec 2013
Location: Tronderlag - Norway
Posts: 29
No high frequent sound from the CDI unit...

Yesterday I had the blowerfan and case on my -74 powdercoated, but today when finished assemblied and ready for start up, there is no high frequent sound from the CDI unit and no or very little voltage to the fuel pump.

I do not see how my painwork is related to the powerloss, but I then again can it be some ground issues. I have ground on the fancase through the coil screws attachment.

Old 08-21-2018, 08:22 AM
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'74 CDI grounds through the shield wire on the CDI case. The +12V is the centre pin of the 3 pin plug. Check for 12V across these two points with a test bulb.
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Old 08-21-2018, 08:37 AM
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Do get +12V in the centre pin.

By the way, I do hear the frequent sound from the CDI unit, but only if I stick my hear very close. Normaly the sound is very high.

And why do I suddenly get no voltage to the fuel pump...?
Old 08-21-2018, 09:01 AM
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By case, you meant the fan housing ? Check the ground connections around the coil plate.
Old 08-25-2018, 04:14 PM
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You’re ground, shielded wire outside
If the wire inside is breaking down the volts to the points is crossing to the shielded wire.
Use 3 alagator clip wires and replace the wires in the harness
Bruce
Old 08-25-2018, 04:21 PM
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Bruce,

Have you considered writing a book? Might be worth while.
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Old 08-25-2018, 04:48 PM
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Thanks, Gordon
Bruce

Old 08-25-2018, 05:10 PM
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