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Is the OVP 5 A CB supposed to trip when I switch off the alt

 
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wdaniell.longport(at)gmai
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PostPosted: Sat May 26, 2018 11:26 am    Post subject: Is the OVP 5 A CB supposed to trip when I switch off the alt Reply with quote

I started my reformed electrical system today.  The system is an exact Z16 with no mods.  No exciting sparks or smoke and everything worked.
However with the engine running I switched off the ALT and the 5A CB in the OVP circuit immediately tripped.
I reset and turned the ALT back on and everything operated normally.
Is this supposed to happen?
thanks
Will
William Daniell

LONGPORT
+57 310 295 0744


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user9253



Joined: 28 Mar 2008
Posts: 1900
Location: Riley TWP Michigan

PostPosted: Sat May 26, 2018 3:29 pm    Post subject: Re: Is the OVP 5 A CB supposed to trip when I switch off the Reply with quote

No, it should not happen. If the diode that is supposed to be across the alternator relay coil is missing, there would be a high voltage spike when the switch is opened, although it would have reverse polarity. I do not know if reverse polarity would trip the over-voltage protection module or not. The diode could be defective (open circuit) The banded end of an arc suppression diode should connect to positive.

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