10
T R O U B L E S H O O T I N G
ISSUE
OPTIONS
Unit will not
turn on (no
power)
CAUSE: Yellow/red wire not connected or incorrect voltage
ACTION: Check connections for proper voltage (11-16V
DC)
CAUSE: Black wire not connected
ACTION: Check connection to ground
CAUSE: Fuse blown
ACTION: Replace the fuse
Unit has
power (but no
sound)
CAUSE: Speaker wire not connected
ACTION: Check connections at speakers
CAUSE: One or more speaker wires touching each other or
touching chassis ground
ACTION: Insulate all bare speaker wires from each other
and chassis ground
Unit blows
fuses
CAUSE: Yellow/red wire touching chassis ground
ACTION: Check for pinched wire
CAUSE: Speaker wires touching chassis ground
ACTION: Check for pinched wire
CAUSE: Incorrect fuse rating
ACTION: Use fuse with correct rating
Summary of Contents for GSMR20
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