Have you got a test meter or a 12v bulb with wires on ? If it was me id just check that all 3 black wires dont have 12v either when car switched off or ignition on ,,, presuming none do one at least ought to be a good earth
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2005 wrx300 2.0 with ppp - SOLD june 2015
daily driver - new astra 136 elite nav - GONE THANK GOD
DAILY DRIVER 2019 - BMW 220d xdrive active sport
fun - v6 shogun swb - FOR SALE @ April 2019 - £2000
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