Scosche LOC90 User Manual

~

SCOS«

I

IE"

LOC90

ADD-ON AMPLIFIER

INTRODUCTION

ADAPTER

The
outputs
or mono amplifier
stereo system. The

and signal sensing turn-on with ability
The
mountable volume control

subwoofer amplifier level from

LOC90

(low-level)

LOC90

converts speaker wire (high-\eve\)

for

the purpose

to

an existing factory

LOC90

also includes a convenient remote

features

for precise control over

up

of

up

front

adding a

or

aftermarket

to

4 volt

to

drive a relay.

in

the

vehicle.

to

RCA

2-channel

output

©2014 SCOSCHE INDUSTRIES, INC.

Sl- 300LOC90

4/14

PRELIMINARY

BEFORE BEGINNING:

READ THESE INSTRUCTIONS!

**CAUTION**:

avoid

regarding
recommend
LED
light
vehicle's

short

air

probe

probe

computer

when

RECOMMENDED

TESTING/DIAGNOSIS:

ics-safe
WIRE SPLICE/CONNECTIONS: Wire crimper/strippers,

soldering
cable

SPECIALTY: Vehicle panel
cable fishing

volt

iron/heat shrink or buttsplice crimp connectors,

ties

Disconnect

circuits. Read

bags and electrical

the

use

of

a

checking

if

used

improperly

and/or

negative

ALL

volt-ohm

wiring. A

diagnostic

TOOLS

Digital

probe

popper, trim

puller

tool

battery

manufacturers

systems

meter

can

cause damage

(not

volt/ohm

in

or

test

light

system.

included)

meter or electron-

removal tools,

terminal

warnings

your

vehicle.

computer-safe

or

grounded

to

wire/

to

We

the

LOC90

MAIN

RCA

OUTPUTS

UNIT

AUDIO

OVERVIEW

INPUT CONNECTION

3.5mm
(to

main

CABLE

unit)

REMOTE VOLUME

CONTROL

2

WIRING

INSTRUCTIONS

TIPS:
made
the
module
Blue/White
car
LOC90

your

1. Connect the

2. Connect the yellow

3. Connect the

For
at

need

easier

the

to

will

wire

installation,

rear

speakers
remove
output

a +12V

when

the

stereo•s speaker wires. Wire

may

car

metal).

(continuous) power source.
installed
into the

stereo/vehicle.

differ

nearby, tap the

amplifier•s

from

black

+ 12V battery terminal

left speaker•s

connections

in

many

stereo! The

remote

signal

the

wire

wire to a +12V constant

to

is

detected

wiring

chassis ground (vehicle

TIP:

yellow

wire from the

+1-

vehicles

LOC90

output

on

from

colors

codes

If

amplifier is

input wires

on

found

or

can

be

without

adapter

the

the

the

on

LOC90

wire.
to

the
white and white black
This can be performed at the vehicle •
location

4. Connect the right speaker•s
gray and
can be performed at the
or

behind the stereo itself.

5.

Connect the blue/white wire

"remote turn-on"

your amplifier's owner's manual for wiring details/
functions
(remote output:

6. Connect the
the amplifier's inputs
left

channel)

or

behind the stereo itself.

gray/black input wires

or

of

your particular amplifier

500mA).

RCA audio outputs

input wires

+1-

vehicle•s

"REM"

{RED

input.

=

of

the

LOC90.

s

speaker

input wires
of

the

LOC90.

speaker

to

the

amplifier's

Always refer

of

the

LOCIO

right channel,

location

to

the

This

to

to

WHITE

=

NOTE:
have

the

advisable

for

maximum

only

left

Some

a single

or

right

to

use a

mono

signal level.

(monaural)

sub

RCA input. You can

signal

from

the

y-adapter

3

LOC90,

to

amplifiers

choose

but

combine

may

either

it

is

together

WIRING DIAGRAM

BATTERY

LOC90

(remote volume

STEREO control)

FRONT

SPEAKERS

+

LR+ (WHITE) GROUND
LR-

SUBWOOFER

+

(WHITE/BLACK)

REAR

SPEAKERS

+

RR+

(GRAV)

-

r..-.,

l I

~~

s - (main unit)

RR-

(GRAY/BLACK)

(BLACK)

+12V (YELLOW)

LOC90

+

....

~

+

REMOTE

+12V

(BLUE/
WHITE)

AMP

4

WIRING

COLOR

CODES

NOTE: The wire colors on the

the wiring colors found on the car stereo I

to

Always refer

details/functions for your particular car stereo. The
wire color codes used on the
standards set
sociation).

White = Left front positive input (LF+)
White/black=
Gray
Gray/black = Right front negative input (RF-)
Yellow = + 12 volt power input

= Right front positive input

the stereo owner's manual for wiring

by

the

E.

I.A. (Electronics Industry As-

Left front negative input (LF-)

LOC90

may differ from

in

vehicle.

LOC90 conform

(RF+)

to

the

(constant battery power)

Black=

Blue/white = + 12V remote output (amp turn-on)

REMOTE

The LOC90 includes on optional remote-mount volume
control to attenuate/control the new AMP/SUB system

level. Choose a location accessible
senger or both. See Figure 1 on page 6 for
suggested locations.

TIP: Check for obstructions

before mounting/routing the volume control.

Chassis

SUBNOLUME

ground

(vehicle metal)

CONTROL

to

the driver, pas-

at

the chosen location

Recommended: Use the included adhesive strip for

non-permanent mounting.
mounting, use

(2)

small %

Optional: For permanent

••

screws (not included).

5

REMOTE

SUBNOLUME

FIGURE 1

CONTROL

ADHESIVE STRIP

1.

Choose the desired location for the remote volume
control

(Figure 1

2. Route the control cable from the selected location
the

LOC90

Plug the male 3.5mm control wire into the female

3.

3.5mm input

4.

Peel

the backing strip from one side

and attach to the remote

to

ready

mount, peel away the remaining strip and

press the unit

Optional:

For additional support use 2 small screws

(screws not

).

main unit.

of

the

LOC90

to

the mounting surface.

included).

module.

of

the adhesive

volume control case. When

6

to

ADJUSTING

NOTES:

THE

OUTPUT

LEVEL

4

The
can change the
rotate one complete turn,
or

Adjust gains with caution.
Too much volume or distortion

LOC90

too

use

can damage your hearing
and the audio equipment.

1 . Carefully break away the

screwdriver tool from the side

the

of

using the remote volume control,

If

2.
ensure that it is connected

unit with its knob turned all the UP
(Figure

3. Use the included tool
module

the way down (counterclockwise

aU

until they stop - Figure

can output up

volume dramatically. The adjustment pots

much pressure.

LOC90

3).

and turn both gain

case (Figure

to

not over-turn

do

at the

4).

volts,

2).

the main

to

LOC90

controls

a

slight

adjustment

1..aaea)

(

FIGURE 2

4. Turn stereo on and adjust volume
%(or

Carefully

5.
controls

LOC90

as
distortion (when sound becomes
garbled, unclear, or breaks up).

Turn back each gain

6.
level very
step #5 and then
immediately turn
down stereo volume.

If you hear a

7.
excessive "hiss"

between songs then the gain
levels may

just above loudest listening

left and right gain

be or near

to

from

or

sound

7

until

ever need

will

turn up the

(turn clockwise) on the

the sound is as loud

slightly

"hum"

be adjusted

still

too

high.

to

up

level)

FIGURE

3

SOUND:

NO

Check and verify

•

TROUBLESHOOTING

electrical and signal connections.

all

LOC90

Speaker

-

wire connections

to

- Audio RCA cable connections from
amplifier.

to

input

LOC90

output

• Check that amplifier is turning on when stereo is on.

-Verify remote turn-on output (blue/white wire) from
amplifier

LOC90

- Verify that
black

Note:

necessary

is connected

LOC90

wire is connected

the above conditions are met, it may be

If all

of

connect the

to

terminal/wire directly

Check gain adjustment

•

to

is receiving

chassis ground.

to

amp

the car stereo

to

levels

lifer•

on

12V on yellow

+

s remote turn-on

ignition.

or

LOC90

wire and

• (If using remote volume control) check that the knob is not
turned all the way down.

•

If

still

no sound

tech support at

call

1·800-621-3695

x3.

LIMITED

Scosche Industries, Inc.
material and workmanship for a period
Scosche
independently determined the suitability
does not cover any expenses incurred
product. This warranty is offered

This warranty does not apply to the product which has been damaged
accident,

the product should prove defective within the warranty period, return the

If

product with sales slip, postage prepaid to
Your dated sales slip/proof
Scosche, at its option,

return the product

no event

In
value

consequential

No express warranties and no

any particular use,

expressly in

Scosche.

conditions
officer
No salesperson, representative, or agent
any guarantee, warranty,

products

which has been misued, altered,

or

shall Scosche be responsible for

the defective product or in any way be held liable

of

lieu

No waiver, alteration, addition,

shall

Scosche

of

are

to

incidental damages.

or

or

of

be valid unless made

Industries, Inc.

warrants this product to be free from defects in

sold with the understanding that the purchaser has

purchase

of

replace or repair the product free

will

you postage paid.

otherwise, except as set forth above (which is made

all other warranties) shall apply

make any representation contrary

or

WARRANTY

days from date

90

of

such products. This warranty

of

the removal and reinstallation

in

the original purchaser

to

installed improperly.

or

Scosche Industries, Inc.

will establish

implied

in

claims

warranties, whether for fitness or

modification

or

writing and signed by an executive

Scosche

of

your warranty eligibility.

beyond the replacement

purchase.

of

of

the product only.

of

charge and

of

responsible for

or

products sold by

to

the foregoing

of

is authorized to give

the above.

to

All

the

by

8