Poor Sound From Left Rear Door Speaker

Test 1 - 2:

Test 3 - 5:

SYMPTOM
POOR SOUND FROM LEFT REAR DOOR SPEAKER

TEST NOTE: This symptom is diagnosed using the test NO SOUND FROM LEFT REAR DOOR SPEAKER.

POSSIBLE CAUSES
- Left rear door speaker (+) CKT. open
- Left rear door speaker (-) CKT. open
- Left rear door speaker
- Left rear door SPKR (+) section of amplifier
- Left rear door SPKR (-) Section of amplifier