A Sealey code scanner does not light up its backlit display when plugged into the C5. On other cars it does light up. It seems like not picking up the C5's battery voltage.
Does anyone know if this mean that there is a fault on the C5's OBD connector?
Thanks.
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Suggest check the power and earth supply voltage to the obd socket on the car.Pin 16 should be battery votage +,and pin 4 and/or 5 should be earth negative.hth
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Thanks, it was a dodgy pin 16, now sorted.
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