Give it more than 11hrs, not everybody is on here every single day. It depends on what your cluster has for warning lights. If one has warning lights in the center where the gauges usually are:
and the other has warning lights off to the right side:
then no. It's ok if both clusters have warning lights off to the side (even if one has gauges and the other doesn't). You may have to add a +12v feed for the clock into the harness plug though.