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P259 alternative?

Started by JohnP, August 28, 2016, 03:24:09 PM

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JohnP

August 28, 2016, 03:24:09 PM
A bad alternator may have fried p259 as it no longer can control the fans relays. Its grounded correctly. Should I have added a heavy duty diode to the relay trigger wire?
Since the vems and tach are receiving the signal from msd can I use another source to drive the fan?  I have extra ignition pins if its possible.
Thank you. JohnP

Kamuto

#1
August 29, 2016, 01:14:29 PM
Quote from: JohnP on August 28, 2016, 03:24:09 PM
A bad alternator may have fried p259 as it no longer can control the fans relays. Its grounded correctly. Should I have added a heavy duty diode to the relay trigger wire?
Since the vems and tach are receiving the signal from msd can I use another source to drive the fan?  I have extra ignition pins if its possible.
Thank you. JohnP
s259 can do the job easily
Vems installer in Lithuania
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