blueacre Posted December 24, 2005 Report Share Posted December 24, 2005 I have a 1997 STS and it shows trouble code C1786 - Damper Control Relay Fault and C1787 Damper Control Relay short to GND. Can anyone help on where this relay is located ? I hace ordered a service manual but it has not arrived yet. thanks Gary Link to comment Share on other sites More sharing options...
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