Sparkrite SR90 User manual

2
SPARKRITE SR90
REMOTE CAR ALARM SYSTEM
INTRODUCTION
The Sparkrite SR90 advanced remote control alarm system incorporates the
latest "state-of-the-art" microprocessor technology offering the ultimate in
product reliability and performance.
Features:
•Radio remote control-DTI approved. Instant arming and disarming.
•Remote control panic feature-gives personal protection sounding siren for
up to 50 seconds.
•Automatic (passive) arming feature. Alarm arms automatically 20 seconds
after last door closure. Disarmed via remote control or ignition key.
•Powerful built-in 128dB siren.
•Current sensing-detects interior light switching on.
•Door switch sensing detects opening of doors, boot or bonnet.
•Hazard lights flash and siren chirps on arm/disarm.
•Audible chirp over-ride option.
•Alarm armed LED (light emitting diode) as a visible deterrent.
•Cooling fan sensing circuit-prevents false triggering of current sensing
circuit.
•Attempted entry display. LED flashes a code if vehicle has been tampered
with.
•Siren sounds for 50 seconds (nominal) when the alarm is triggered.
•Automatic reset, giving continuous protection until disarmed by remote
control.
•Fuse protected against attempts to over-ride circuitry.
•Sensor connection (optional)-Quick-fit plug allows connection of Sparkrite
Ultrasonic Interior Protection unit SR901 or Space Sensor SR902.
•Security circuit-prevents accidental arming whilst driving.

3
REMOTE CONTROL RADIO TRANSMITTER
The radio transmitter conforms to DTI legislation with each alarm allocated a
unique security code. Additional transmitters are available on special order
from your nearest stockist, or direct from Sparkrite using the enclosed order
form, quoting your serial number on the back of the remote control.
ARMING
To arm the SR90 alarm, proceed as follows:
Remove the ignition key and leave the vehicle ensuring all doors, windows,
sunroof, boot and bonnet are closed.
Press the button on the remote control transmitter once. The indicators on the
vehicle will flash once, coinciding with a single chirp (if selected) from the
siren, and the dashboard LED will also flash (following the 20 second arming
delay), at approximately one second intervals to show that the system is
armed.
If passive arming is selected, the SR90 will arm automatically following
closure of the last door (see arming control).
DISARMING
To disarm the alarm, press the transmitter button once, the indicators will flash
three times, coinciding with two chirps (if selected) from the siren. Check that
the dashboard LED has stopped flashing and unlock the vehicle as normal.
If you trigger the alarm accidentally, follow the normal disarming procedure
but keep the control button depressed until the alarm stops.
Note: When the alarm is armed, the current sensing and ultrasonic circuits
(optional) will not trigger the alarm until a 30 second exit delay has expired.
This is to allow movement inside the vehicle and in some cases, courtesy light
delays to cease.
REMOTE PANIC
If the transmitter button is pressed and held for three seconds, the SR90 will
trigger and commence an alarm cycle as a possible means of summoning
help, a very useful defense in case of attack or assault.

4
FEATURE SELECTION
The SR90 is specifically designed to give a choice of operating features for
your convenience. These are three ON/OFF switches as follows: -
1. AUDIBLE CHIRP
Controls arm/disarm chirp only. Turn to OFF for no audible chirp.
2. PASSIVE ARMING CONTROL
If the passive (automatic) arming feature is required, select the ON position of
the slide switch.
With the switch in the ON position, the alarm will automatically commence the
arming sequence 10 seconds AFTER the last door is closed, and will be fully
armed after 20 seconds. The hazard lights will flash once and the siren will
chirp, (if selected), indicating the vehicle is protected.
The alarm is disarmed using the remote control as normal or by switching on
the ignition within 10 seconds.
In the OFF position, use the remote control for Instant ARM and DISARM.
3. CURRENT SENSING
Current sensing is the most common method of triggering an alarm. This
circuit operates by detecting the current drained from the vehicle's battery
when the interior light is switched on, which subsequently triggers the alarm.
When the SR90 is installed, it is recommended that the slide switch is set in
the ON position. If your vehicle is fitted with an electrically operated, pulsed
clockwork clock (normally fitted on vehicles pre 1980) or a car telephone
which accepts incoming calls when the ignition is off, it can cause false
triggering of the alarm. In this instance, slide the current sensing switch to the
OFF position. It will then be necessary to connect the BLUE wire to the door
switches as described later.
IMPORTANT: The SR90 switches are factory set to the following positions:
Current - ON
Passive - OFF
Chirp–ON

5
FITTING INSTRUCTIONS
Suitable for 12V negative earth vehicles only.
IMPORTANT: The vehicle battery must be disconnected during the
installation procedure, except where necessary to carry out circuit tests
specified.
TESTING PROCEDURE
If you are unable to easily identify the correct wire on the vehicle to make a
connection, it is recommended a 12 DC test lamp or test screwdriver is used.
Care must be taken to ensure the wire being tested is not shorted to earth
(chassis) via the wire or probe of the tester.
INSTALLATION NOTES
a) The harness is supplied with in-line fuses in the RED, VIOLET and GREY
leads. If any of the fuses blow, ensure replacements of the correct value
are used.
b) When mounting wires around the engine compartment and through the
bulkhead inside the vehicle, ensure the wire insulation cannot be damaged
on sharp metal edges, protecting where necessary with insulation tape or
rubber sleeving.
c) It is recommended that where possible, connections to the vehicle wiring
should be made at the steering column or fusebox. This will prevent
anyone tampering with the alarm from outside the vehicle.
d) Do not switch off courtesy, or boot lights (if fitted) or the current sensing
circuit will not operate. Replace light bulbs when they fail.
MOUNTING THE MAIN ALARM MODULE ~
Mount the alarm in the vehicle's engine compartment, close to the front of the
vehicle and in a position where it is difficult to gain access to the alarm wiring
from below the car. Also ensure the alarm is located away from areas of
extreme heat and at least 12" away from the ignition system.
Using the alarm mounting bracket as a template, drill 2 holes, and secure the
bracket to the car bodywork using self-tapping screws supplied.

6
MAIN CABLE HARNESS WIRING
Connections to the vehicle wiring will be made using scotchlok connectors as
follows;
HARNESS LOCATION
Feed the 3 and 5 way harness through the flexible rubber sleeve and position
the assembly to the rear of the main alarm module.
IMPORTANT: Do not connect wiring harnesses to the alarm until all wiring
has been connected.
ARMED INDICATOR LED
Remove the retaining nut from the LED bezel. Drill a suitable mounting hole in
the dashboard where the armed indicator may be seen from outside the
vehicle, as a visible deterrent.
Feed the two way connector through the hole and secure the LED bezel with
the retaining nut. Route the wires through a bulkhead grommet to the alarm
and push them carefully through the flexible rubber sleeve. Insert the two way
connector into the socket on the rear of the alarm.
Operation:
When the alarm is armed, the red LED will illuminate. Following the 20 second
exit delay, the LED will flash at 1 second intervals to indicate the SR90 is fully
armed. If the alarm is triggered and completes a full alarm cycle (50 seconds),
the LED will flash at half second intervals to indicate that a violation has
occurred.
A
DDITIONAL
WIRE
EXISTING
WIRE
METAL
INSERT
STOP
Close the locking tab to hold the connector
together
Place the wires in position as shown
and hold carefully in place whilst
pressing firmly in the metal insert with
pliers. The metal insert automatically
strips the insulation from wires at
points of contact.

7
WIRING DIAGRAM
WIRING CONNECTIONS
GREEN - RADIO AERIAL
The GREEN aerial wire must not be cut or connected to anything metal,
otherwise the operating range will be affected. Tape the antenna to the main
harness to achieve optimum performance.
VIOLET AND GREY-INDICATOR LIGHTS
VIOLET Using the vehicle's wiring diagram or 12V test lamp, locate the wire
on the indicator switch or direct on any indicator lamp, which
illuminates the test bulb when the RIGHT hand indicator flashes on
and off. Connect this wire to the VIOLET wire on the alarm harness
using a scotchlock connector.
GREY Repeat the above procedure, connecting the GREY wire to the LEFT
hand indicator circuit.
PINK -IGNITION INPUT
Using a test lamp, locate a 12 volt supply wire at the ignition switch or fusebox
which is live only in the STARTING and RUN positions of the ignition key.
Connect the PINK wire using a scotchlock connector to this wire.
Note: The auxiliary power supply to radios/cassettes must not be used.

8
YELLOW - ELECTRIC FAN INHIBIT
If the cooling fan is switched by the ignition or no electric fan is fitted, insulate
the YELLOW wire and leave disconnected.
If your vehicle is fitted with a thermostatically controlled cooling fan which
operates with the ignition switched off, the YELLOW lead must be connected
to prevent false triggering of the alarm.
The majority of modern vehicles have "positive" switched fans and the
YELLOW wire should be connected as shown in Fig. 1.
If the cooling fan is “earth" switched as shown in Fig. 2, it will be necessary to
slide the current sensing switch on the main alarm module to the OFF
position, insulate the YELLOW wire and leave disconnected.
BLACK WIRE – EARTH
The BLACK wire must be connected to a good clean metal earthing point on
the bodywork of the vehicle.
Drill a suitable hole within 12" of the main alarm unit and secure the BLACK
wire through the ring terminal using the self-tapping screw supplied.

9
BLUE-DOOR SWITCHES
If the vehicle is not fitted with courtesy light switches on the rear doors, it is
recommended additional switches (SR910) are fitted and connected to the
courtesy light circuit as shown in Fig. 3.
If the current sensing switch on the main alarm is in the ON position, and your
courtesy light works on all four doors, proceed to Section (ii) Boot and Bonnet
Switches.
If the current sensing switch is in the OFF position, it will be necessary to
connect direct to the door switches.
(i) Most four door cars operate the courtesy light from all four doors, so
connecting the alarm to one door switch will connect all of the doors.
The BLUE alarm wire should be connected to the existing door
switches providing they are of the switched earth type. To determine
this, close all doors except the driver's door. The courtesy light should
be on. Remove the retaining screw from the door switch and carefully
pullout the switch. If the interior light goes out when the door switch is
removed, your existing courtesy light door switches are suitable for
direct connection to the BLUE lead. The BLUE lead can then be
connected to the door switch wire using a scotchlock connector.
BOOT AND BONNET SWITCHES (OPTIONAL)
(ii) To protect the boot and bonnet, it will be necessary to install additional
pin switches (Sparkrite SR910) connected to the BLUE wire as shown
in Fig 3.
IMPORTANT: PASSIVE ARMING.
THEBLUEWIREMUSTBECONNECTEDTOANYCOURTESYLIGHT
SWITCH TO OPERATE THE PASSIVE (LAST DOOR) ARMING FEATURE.

10
RED WIRE - POWER SUPPLY/CURRENT SENSING
The RED wire must be connected to a permanent 12 volt supply at the
vehicle's fusebox (i.e. a fuse which is live whether the ignition is on or off).
Using a test lamp, identify a permanently live fuse rated not less than 15
amps, and connect the RED lead to the "FUSED" side.
To determine this, remove the selected fuse and check both fuse terminals
with the test lamp. The correct side of the fuse will be "dead" when the fuse is
removed.
Connect the RED lead to the wire attached to the fuse terminal using a
scotchlock connector.
NOTE: The position of the supply lead affects the sensitivity of the current
sense circuit. Connecting directly to battery positive will give lowest sensitivity.
Connecting further away e.g. the fusebox, will increase sensitivity.
SENSOR INPUT
The SR90 sensor input is located on the rear of the main alarm control
module. This enables direct connection of Sparkrite accessories SR901
Ultrasonic Interior Detector or SR902 Interior Space Sensor to further protect
your vehicle.
To connect either of the above accessories', feed the SR901 /SR902
connecting plug through the flexible rubber sleeve and push into the sensor
socket located on the rear of the alarm module (shown on page 4).
THE WIRING INSTALLATION IS NOW COMPLETE
Connect the harness plug connectors into their respective sockets on the rear
of the alarm.
Reconnect the battery.
Test the alarm according to your selected positions of the slide switches.
If any problems are encountered, re-check the wiring and follow the trouble-
shooting guide.
Slide the rubber sleeve over the rear molding shoulder and fit a cable tie
around the flexible tube to provide weatherproofing. The exit tube should be
angled downwards to avoid water ingress.
BATTERY REPLACEMENT
The battery needs replacing if the red BATTERY LEVEL INDICATOR does
not light when the transmitter button is pressed. To replace this, remove two
screws from the rear casing and carefully separate the transmitter molding.
Replace with 12 volt Sparkrite battery, Part Number SR904 observing correct
polarity.

11
TROUBLESHOOTING GUIDE
REMOTE CONTROL TRANSMITTER
Pressing button on remote control doesn't light transmitter indicator, next to
button.
•Battery inserted wrongly.
•Poor battery connection. Adjust terminals to ensure good battery contact.
•Discharged or missing battery. Replace battery.
ARMING AND DISARMING
Pressing button on remote control lights transmitter indicator, but has no effect
on receiver indicator.
•No power supply to alarm unit. Check wiring, fuse and using suitable
tester, check that 12V is present on the RED wire.
•Distance between transmitter and receiver is too great. Move closer and
try again. Pressing the button on the transmitter, but it is not possible to
arm or disarm the alarm.
•Power supply present on the arming inhibit input (PINK wire) ignition
switched on or wiring fault causing power to be present on this wire when
ignition is switched off. Check using suitable tester.
CURRENT SENSING
With the slide switch in the ON position, operating the courtesy light by
opening door doesn't activate the alarm.
•The courtesy light bulb has a low power rating. If the RED wire has been
connected to the battery positive, remove it and increase the current sense
sensitivity by connecting the RED wire at the fusebox or column switches.
DOOR, BOOT, BONNET SWITCH INPUT
Operating pin switch (contacts closed) doesn't activate alarm.
•Pin switch faulty. Use suitable tester to check switch operation.
•Wiring fault. Check wiring.
•Wrong polarity switching. Should be earth switched. Use suitable tester to
check this, especially if wired to the courtesy light circuit. Insert separate
door switches of correct polarity.
OUTPUT
When alarm is activated, indicator lights do not pulse on and off.
•Wiring fault or fuses blown in wiring harness. Check wiring and fuses.

12
ALARM GIVES FALSE ALARMS
Bad earth or supply connection to main alarm unit causing current sense (if
used) to false alarm.
•Check connection of BLACK wire to earth.
•Check connection of the RED supply wire from the connector.
Current sense problem.
•Check that your vehicle has no accessories which can operate when the
ignition is switched off.
•Wiring fault. Check all wiring, test operation of all switches and ensure all
triggering connections are secure and make good electrical contact.
If none of the above solutions solve the problem, either consult your dealer, or
contact the Sparkrite Technical and After Sales Service (T.A.S.S.) on 01429
862616
ACCESSORIES FOR THE SR9O ALARM
Optional extra protection for your car can be provided by fitting either the
SR901 or SR902:
SR901 - ULTRASONIC INTERIOR PROTECTION
Invisible ultrasonic waves are transmitted and received by a unit
mounted on the dashboard inside your vehicle. The alarm is
triggered by unauthorized entry through the doors, windows or
sunroof.
SR902 - SPACE SENSOR
Mounted inside your car, this unique, patented product uses space-
age technology to detect alterations in atmospheric pressure. This
results in the alarm being triggered if any doors, windows etc are
opened.
SR910 - DOOR/BOOT/BONNET SWITCHES
ADDITIONAL TRANSMITTERS
Available either from your local stockist or direct from Sparkrite.
Please send a cheque or postal order to the value of £17 .50 inclusive
payable to EDA Sparkrite Limited at the following address:
STADIUM CONSUMER PRODUCTS
STADIUM NORTH UNITS 8-11 TOFTS FARM
INDUSTRIAL ESTATE BRENDA ROAD
HARTLEPOOL CLEVELAND TS25 2DH
QUOTE YOUR SERIAL NUMBER FROM THE REAR OF THE RANSMITTER
AND SPECIFY MODEL OF ALARM.
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