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Old 30th June 2016, 02:53 PM
RichardH RichardH is offline
Senior Member
Join Date: May 2015
Location: fife scotland
Posts: 177

so after further testing i am wondering if something isnt switching on the charging of the alternator or alternator istself , i have checked continuity again from alternator to ecu all ok, i have 5 v on the grey and nothing on the grey red, if i link the wires together so there is 5v on both wires the alternator charges high 14volts, if i feed the red/grey 12volts the alternator charges up 16v.
my thinking is the 5v to the alternator should come back on the other wire as a signal/voltage to regulate the charging, therefore new alternator?
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