05 gen 1 temp gauge not reading all the time

PIERRE93

Registered
So far I have tested the temp sensor and that works fine even the temp light next to the gauge works as well. When I unplug the temp sensor I get the f1 light and the light in the temp gauge lights up. But sometimes when I reach triple digits my temp gauge stops working. I'm not sure which wires runs the temp gauge from the ecu to the gauges and would like help with that or any ideas that someone may have to point me in the right direction.

Thank you for any help.
 
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