2
Step 5- Use the supplied Allen head screws to mount the end caps to the
ends of the main heat sink.
Step 6- Use the supplied screws to attach the end caps to the mounting
surface.
Caution!
⇒ Make sure to mount the amplifier using the supplied screws and
rubber bushings. Do not mount the amplifier by the end caps alone.
1.2 Installation- Power Connections
Step 1- Run a power cable from the battery to the amplifier mounting
location. Use rubber grommets to protect the cable anywhere it has to go
through metal.
UHC5, UHC4 UHC5, UHC4 - Use #4 AWG or larger power and ground cable.
UHC2UHC2 - Use #8 AWG or larger power and ground cable.
Step 2- Connect one end of an in-line fuse holder to the power cable.
Connect the other end of the fuse holder to the positive battery post with
20 cm (or less) of the same cable. This fuse location will protect the
system and the vehicle against the possibility of a short circuit in the
power cable. Be sure to use a fuse and fuse holder adequate for the
application. Do not place a fuse in the holder at this time. The fuse
rating is depending on the power- and ground cable size. The maximum
fuse rating for each amplifier in the UHCUHC series is:
UHC5 UHC5 -- 80 Amp UHC4UHC4 -- 80 Amp UHC2UHC2 -- 40 Amp
Caution!
⇒ Bridging fuses or replacing a fuse with one of a higher rating may
cause damage to the amplifier and the vehicle's electrical system.
Step 3- Run a remote turn on cable from the switched +12V source you
will be using to turn on the system components. This may be a toggle
switch, a relay, or your source unit’s remote trigger wire, or power
antenna trigger wire. Run this lead to the amplifier mounting location.
Use #18 AWG wire or larger.
Step 4- Locate a secure grounding connection as close to the amplifier as
possible. Make sure the location is clean and provides a direct electrical
connection to the frame of the vehicle. Connect one end of a short piece
of the same size cable as the power cable to the grounding point. Run the
other end of the cable to the amplifier mounting location.
Step 5- connect the ground cable to the screw terminal labeled
“POWER, (GND)”.
Step 6- Connect the power cable to the amplifier at the screw terminal
labeled “POWER, +12V”.
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