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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> (Amplifier (Amp) Premium 1 - Electrical Diagnostics) >> DTC Troubleshooting >> B1406-12 - Channel 7 Audio Speaker Output - Circuit Short To Battery >> Possible Causes

Possible Causes

Possible Causes
SUBWOOFER AND AMPLIFIER CONNECTIONS
AMPLIFIED SUBWOOFER 1 (+/-) CIRCUIT SHORT TO VOLTAGE
AMPLIFIER

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  STANDARD PROCEDURE  .