All Gauges Not Operating

Test 1 - 4:

Test 5 - 6:

SYMPTOM
ALL GAUGES NOT OPERATING

POSSIBLE CAUSES
- No Response - PCI BUS
- No Response - PCI BUS Instrument Cluster
- No Response - PCI BUS - Powertrain Control Module
- Fused Ignition Switch Output Circuit Short To Ground
- Ground Circuit Open
- Fused B+ Ignition Switch Output Circuit Open
- Instrument Cluster