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hi guys, in need of dash wiring diagram or pin data for loom connectors at the back of the instrument cluster as I need to know what pin feeds the coolant temp gauge so I can run a new wire Straight to sender/sensor. Any info would be a great help. Thanks
 

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Astra mk3 '97 car coolant temp blue wire goes to pin 6 on the X21 connector which is the larger 16 pin. Earlier Astra/Cavalier/Calibra may use a different pin.
 
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