Initial Inspection and Diagnostic Overview

Radio and Player (7 Speaker)

S9 (A), S10 (B) STEREO COMPONENT AMPLIFIER
(A) 2 - GROUND : Approx. 12 volts with the ignition SW ON or ACC position
(B) 7 - GROUND : Always approx. 12 volts
(B)13 - GROUND : Always continuity

Radio and Player (6 Speaker)

R3 (A) RADIO AND PLAYER
(A) 4 - GROUND : Always approx. 12 volts
(A) 3 - GROUND : Approx. 12 volts with the ignition SW ON or ACC position
(A) 7 - GROUND : Always continuity