2004 Can a malfunctioning Garmin GPS screw with the cars performance? | Ford Thunderbird forum club group 1955-2005 models

2004 Can a malfunctioning Garmin GPS screw with the cars performance?

  • Thread starter Thread starter OREOCAT
  • Start date Start date
I don’t see how a plug-in Garmin can affect anything. They only draw milliamperes of current and use passive antennas.
 
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