1997 GMC Sonoma Wont start

The battery is hot(12V), motor will turn over freely. Headlights, parking lights and interior lights working. No senor lights in dash gauges when key is turned to start position. Checked fuses, all hot on both sides with exception of the ECM and crank fuse with or without key on. Has power at junction box on driver side fender. Could it be the ignition switch? Did not check clutch pedal senor, because starter will crank.

Truck was running, stop suddenly in yard after full days effort. Turned key to move vehicle and all gauges lights went dead. Fuel gauge in cluster had started to indicate full at all times and sparingly move but never retreat past 1/2 tank. Did not hit anything that would cause motion senors to fault.

Started to pull dash and fuse panel. Am I going in the correct direction? Could a ground be the cause. Check fuzible links at battery and driver sive junction box, All hot on both sides of link.