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  1. S

    2007 mercruiser 5.0 alpha TKS system

    What purpose does the diode serve?
  2. S

    2007 mercruiser 5.0 alpha TKS system

    I am having issues with TKS system. The motor will not run with both the diode and temp sensor connected. if I have on or the other disconnected the motor will run at high idle. The sensor does not close at operating temp. If I have the motor running with the diode disconnected. I gave 13.5...
  3. S

    2007 mercruiser 5.0 alpha TKS system

    Is the TKS temp sensor open or closed when cold?
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