Base System

Circuit X53 is the feed to the left front door speaker. Circuit X55 is the return from the speaker to the radio.

Circuit X56 is the feed to the right front door speaker. Circuit X54 is the return from the speaker to the radio.

Circuit X51 is the feed to the left rear speaker. Circuit X57 is the return from the speaker to the radio.

Circuit X52 is the feed to the right rear speaker. Circuit X58 is the return from the speaker to the radio.