No Sound From One Speaker

Test 1 - 2:

Test 3 - 8:

Test 9 - 12:

SYMPTOM
NO SOUND FROM ONE SPEAKER

POSSIBLE CAUSES
- Speaker (-) circuit open
- Rear speaker (+) circuit open
- Rear speaker (-) circuit open
- Defective front door speaker (+) INOP
- Defective front door speaker (-) INOP
- Front door speaker (+) circuit open
- Front door speaker (-) circuit open
- Front door speaker AMP (+) faulty
- Front door speaker AMP (-) faulty
- Speaker (+) circuit open
- Radio (+) defective
- Radio (-) defective