BE/Body Electrical Systems — 2 Radio Power Coming In, But Radio Not Operating, page 89

BE–89
BODY ELECTRICAL SYSTEM – AUDIO SYSTEM

2 Radio POWER COMING IN, BUT RADIO NOT OPERATING

W : w/ Power Amplifier
WO : w/o Power Amplifier

Is tape player operating normally?

Yes
Is power for the antenna being output from the radio or radio assembly?
No
Radio assembly faulty.

Yes

No
WO
Go to No. 32

W
Is power for the antenna being output from the power amplifier?
No
Power amplifier faulty.

If radio side faulty
Radio assembly faulty.

Is there continuity in speaker wire harness
No
Speaker wire harness faulty?

Yes

Temporarily install another speaker Functions OK?
Yes
Speaker faulty?

No

WO
Radio assembly faulty?

W
Hissing sound from speaker?
No
Power amplifier faulty. Recheck system after repair.

Yes

Radio assembly faulty. Recheck system after repair.