Crunch SA-1100.1 Quick Start Installation Manual

Before you start
CAUTION
Many new and factory radios require a reset code when
disconnected from battery power. This is an anti-theft
feature. Before unplugging power, you must determine if
your radio/source unit requires a reset code. Check the
operation manual for your vehicle or contact the dealer.
Power / Ground
Model
cable size
SA-1100.1
SA-1100.2
It is critical to use the proper
SA-1100.4
power and ground cable. Select
SA-2100.1
the size listed here for your
amplifier model. Always use high
SA-2100.4
quality copper cable.
SA-3100.1D
SA-5000.5D External 80A
Cable size recommendations for
multi amp systems are available
on our website.
Installation
Disconnect
1
negative battery
terminal
Place terminal in a secure
position so that it won't
accidentally contact the
negative battery post
Run Cables
2
Properly route power,
speaker and RCA cables
through the vehicle.
Mount Amplifier
3
Choose a mounting location
that will provide adequate air
ventilation. Mount the amplifier to
a secure surface. Do not mount
the amplifier upside down.
Chassis Ground
4
The chassis ground connection
is critical to the performance
of the amplifier. Choose a
location that is close to the
amplifier. Completely scrape
away the paint and use a nut
and bolt if possible.
DO NOT USE AN EXISTING
FACTORY BOLT!
Fuse Size Cable Size
Power
5
25A x 2
Connections
20A x 1
30A x 1
30A x 2
4ga
Using spade terminals, connect the
30A x 2
+12V to the power cable from the
30A x 2
battery, the REM to the source unit
turn-on wire and the GND to the
chassis ground..
Signal Input
6
Low Level RCA
Connect the RCA cables to
the INPUT connectors. The
OUTPUT can be used to
provide input for a second
amplifier.
Signal Input
7
High Level
The HI INPUT is for use with
source units that do not offer
RCA outputs. Use the supplied
harness to connect to the
source unit's speaker output.
Level Control
8
Turn the LEVEL control completely
counter-clockwise to minimum.
BRIDGED
BRIDGED BRIDGED
LEFT RIGHT
LEFT RIGHT
CH1 CH2
CH1
CH3 CH4
CH3
Bare metal
SPEAKER OUTPUT
SPEAKER OUTPUT
BRIDGED
BRIDGED
BRIDGED
CH1 CH2
LEFT RIGHT
LEFT RIGHT CH3 CH4
SPEAKER OUTPUT
SPEAKER OUTPUT
BRIDGED
CH1 CH2
CH1
CH3 CH4
CH3
Connect to factory speaker wire directly
Right + (gray) 4CH REAR
Ch3 Right + (orange)
Right - (brown)
Ch3 Right - (pink)
Chassis ground (black)
Chassis Ground (black)
Left - (green)
Ch4 Left + (blue)
Left + (white)
Ch4 Left - (yellow)
INPUT BRIDGED
CH1 CH2
LEVEL
CH3 CH4
6V 0.2V
LEFT RIGHT
Speaker
9
Connections
SPEAKER OUTPUT
Using spade terminals, connect
the speaker cables to the speaker
output connectors. Follow the
diagram below that best fits your
speaker configuration.
Stereo
BRIDGED
BRIDGED
BRIDGED
CH2
LEFT RIGHT
LEFT
CH4
BRIDGED
LEFT RIGHT
SPEAKER OUTPUT
SPEAKER
SPEAKER OUTPUT
SPEAKER OUTPUT
SPEAKER
BRIDGED Monoblock
single woofer
CH1 CH2
CH3 CH4
SPEAKER OUTPUT SPEAKER
SPEAKER OUTPUT
Positive Battery
10
BRIDGED
CH2
Connection
CH4
Connect the power cable to the
positive battery terminal. The SPEAKER OUTPUT
SPEAKER OUTPUT
power cable must be fused
within 18 inches of the battery
terminal.
Be prepared to disarm your vehicle's alarm and
to enter your radio / source unit code.
Re-connect
11
Negative Battery
Terminal
BRIDGED
CH1 CH2
CH3 CH4
Re-connect the negative
battery terminal making sure it
is securely tightened.
CH1 CH2
CH3 CH4
Bridged
RIGHT
BRIDGED
BRIDGED
CH1 CH2
LEFT CH3 CH4 RIGHT
OUTPUT
SPEAKER OUTPUT
OUTPUT
Monoblock
multiple woofers
BRIDGED BRIDGED
LEFT RIGHT
CH1 CH2
CH3 CH4
OUTPUT
SPEAKER OUTPUT
SPEAKER OUTPUT
BRIDGED
CH1 CH2
CH3 CH4