Diagnostics & Trouble Shooting
Problem
Cause
Solution
No power
1. Incorrect wiring
2. Fuse is blown
3. The wiring harness
is not connected
1. Re-check wiring
2. Replace fuse
3. Re-check wiring
harness connection
No sound
1. Volume is too low
2. Speaker
connection loose or
wired incorrectly
1. Increase volume
2. Double check
connection and
re-attach
No reception
1. The antenna cable
is not connected
2. The signals are too
weak
1. Insert the antenna
cable securely
2. Select a station
manually
USB stick not
reading
1. Music file is neither
MP3 or WMA format
1. Convert music file
format into MP3 or
WMA format
AUX Input or RCA
Output distortion
1. Volume may be up
too much on external
device
1. Lower volume on
external device until
distortion goes away
If you have problem or question that wasn’t mentioned above
please visit our website at MBQuart.com and go to the TEQ
Support section or the Frequently asked questions.
