Ok, as some of you might be aware, my temp gauge hasn't worked for awhile. It just sits on C and never moves. I've tried three different intake temp sensors (SU109) and swapped the pigtails. Still nothing. Now, at night the coolant light on the cluster comes on, but very very faint, almost impossible to see but its on. It shuts off after a few miles of driving and will come back on. Car is not overheating or leaking coolant from anywhere. Is it finally time for a new cluster?