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T
ROUBLESHOOTING
No sound from
speakers
Symptom Diagnosis Remedy
Check and repair or replace
wiring as needed.
Check system with known work-
ing amplifier and repair or re-
place as needed.
Check for shorts in the wiring
with a volt/ohm meter and re-
pair or replace wires as needed
Check system with known work-
ing speaker and repair or re-
place as needed.
Wires between amplifier,
crossover or speakers not
connected properly.
Amplifier has no output.
Speaker wires are shorted
to each other or to the chas-
sis of the vehicle.
Speakers are blown.
Incorrect wiring between
crossover and speakers
Excessive power from am-
plifier
Equalizer in system (if
available) has excessive
boost in the high frequency
range
Check wiring and repair or re-
place as needed.
Check gain settings on ampli-
fier and readjust as necessary
Check settings on equalizer and
readjust as necessary
Distorted sound
from speakers
Tweeters “burn
up” easily
– 10 –
Engine Noise from
One or More
Speakers
Check for shorts in the wiring
with a volt/ohm meter and re-
pair or replace wires as needed.
Re-route speaker wiring away
from noise sources. (Refer to
the Installation Consider-
ations section of this manual.)
Move crossovers away from
noise sources. (Refer to the In-
stallation Considerations sec-
tion of this manual.)
Speaker wires shorted to
chassis of vehicle.
Speaker wires are routed
near radiated noise source.
(Power cables, vehicle
computers, etc.)
Crossover is mounted near
radiated noise source.
(Power cables, vehicle
computers, etc.)
TROUBLE-
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