Edited: another fuel/temp gauge thread, but turns out the harness is melted together
I will pull the cluster and check all of those connections.
Would a missing/disconnected fuel tank ground strap cause these readings?
How do I test whether the correct amount of power is reaching the gauge cluster?
I understand that the cluster is powered by G5 which is a dark blue wire that connects to the printed circuit board and powers the gauges and warning lights: