Owner's Manual

17
www.retromanufacturing.com
Troubleshooting
Problem Possible Cause Action to Solve Problem
Radio will
not turn on
(no lights,
no sound)
Constant +12V
(yellow) wire not
connected
or incorrect voltage
Check all connections are
connected proper voltage
with a volt meter. Voltage
range: 12-15 volts
Check +12V
accessory (red) wire
connection
+12V ignition/ac-
cessory (red) wire
not connected or
incorrect voltage
Ground (black) wire
not connected
Check ground
connection
Fuse on constant
+12V (yellow) wire is
blown
Replace blown fuse
No sound
heard from
unit but unit
lights up
Volume turned
all the way down
Increase radio volume
Internal amp in
protection mode
Check speaker leads
for any grounded or
shorted wires
Wrong source mode
selected
Make sure the unit is in
the desired source mode
(RADIO,AUX)
Unit blows
fuses
Possible short in
wiring or incorrect
fuse used
Make sure only fuses with
correct 15 amp ratings are
used and check all wiring
connections for possible
short
Battery hooked up
backwards
Make sure battery is prop-
erly connected
For replacement parts, visit our website at www.retromanufacturing.
com, contact us by calling 888.325.1555 or send an email to tech@
retromanufacturing.com. (see “What’s in the Box” on pages 3-4 to
confirm the part(s) needed).
©2020 Retro Manufacturing, LLC | Published: 11/25/20