Gauges Not Returning to Zero With Key Off

Test 522 - 526:

Test 527 - 528:

SYMPTOM
* GAUGES NOT RETURNING TO ZERO WITH KEY OFF

POSSIBLE CAUSES
- DRB shows BUS operational failure
- Fuse #7 defective default
- Fused B+ circuit short to ground
- Open fused B+ circuit
- Instrument cluster defective