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2008 Jeep Patriot Sport
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5,470 Posts
It's possible it could just be a serial port connector for the manufacturer to program or firmware flash the cluster and nothing in the Jeep actually connects to it.
 

· Registered
2008 Jeep Patriot Sport
Joined
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5,470 Posts
That's not necessarily true. Often there is only one harness for all option levels. Maybe that plug runs a satellite radio module that your jeep wasn't equipped with. Try to get a dash wire schematic and connector location diagram before digging in again.
 
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