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OPERATING & INSTALLATION INSTRUC-
TIONS
RS-3A
DELUXE REMOTE STARTER UNIT FOR
AUTOMATIC TRANSMISSION VEHICLES ONLY
COPYRIGHT: OMEGA RESEARCH & DEVELOPMENT 2000
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Contents
Operation Guide
Introduction & Safety Considerations ........................................................................... 3
Remote Starting......................................................................................................... 4-5
Valet Mode .................................................................................................................... 5
Installation Cautions and Warnings .............................................................................. 6
Installation Instructions
Installation Considerations ........................................................................................... 7
Wiring Diagram Overview ......................................................................................14-15
5 Wire Connector.......................................................................................................... 8
9 Wire Connector......................................................................................10-13 & 16-21
3 Wire Connector................................................................................................... 22-23
Valet Switch ................................................................................................................ 24
Programmable Features ........................................................................................ 24-27
Limited Lifetime Warranty .............................................................................Back Cover
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Introduction & Safety Considerations
Congratulations on your purchase of the RS-3A Remote Starter add-on unit.
The RS-3A offers you the convenience of starting of your vehicle’s engine, with
the press of a button from the comfort of your home or ofce, allowing your
vehicle to warm up in winter and cool down in summer.
The RS-3A is an “add-on” unit designed to be used in conjunction with an
additional remote control vehicle accessory such as a security alarm or keyless
entry system.
We highly recommend that this system be professionally installed, as the
complexity of the modern automobile and the nature of circuits to be accessed
is often beyond the abilities of most do-it-yourselfers.
There are several important safety considerations with using and installing
the RS-3A remote starter unit. Among them are:
- This unit is for vehicle with an automatic transmission only. Installation in a
vehicle equipped with a manual transmission can result in property damage
or personal injury.
- This unit is for fuel injected gasoline or diesel engines.
- Children should not be left unattended in, or be allowed to play with the acti-
vat ing transmitters of any remote starter equipped vehicle.
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Remote Starting
To Remote Start The Vehicle: Press the necessary button or button combination on the host system’s transmitter.
1) The parking lights will turn on to conrm the starting process.
2) The ignition circuit will turn on.
3) Within a few seconds the parking lights will turn off and the starter will en-
gage.
4) The engine will start, run, and the starter will be disengaged.
5) The parking lights will turn back on while the RS unit is controlling the en-
gine.
6) If the engine stalls, the RS unit will make two attempts to restart it.
When you leave your vehicle, simply set the climate controls for what you
desire to be operating upon remote start - heater, defroster or air conditioning.
Upon entering the vehicle place the ignition key in the switch and turn it to the
“On” position. Do not turn the key to the “Start” position.
Deactivation
*
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- Stepping on the brake pedal will turn the engine off.
- Opening the hood will turn the engine off. If the hood is open when an ac-
tivation attempt is made, the RS unit will not respond, and will not start
the engine.
- Turning “on” the Valet Switch will also stop the engine.
Valet Mode
The RS unit may be placed into a “valet mode” which prevents the remote
start feature from being activated. Valet Mode should always be used when you
do not wish for remote start to be operated, such as when you leave your vehicle
with a valet parking attendant, mechanic or if you loan it to another person. An
“on/off toggle” switch, the Valet Switch, is used for this, and it is typically mounted
within easy reach of the driver. To engage the Valet Mode:
- At any time simply ip the Valet Switch to the “on” position. Three seconds
later the parking lights will ash 3 times to indicate Valet Mode.
Once the RS unit is in Valet Mode, an attempt to remote start will instead be
acknowledged by 3 parking light ashes, but no starting attempt.
- To turn off Valet Mode, with the ignition switch “On” simply ip the Valet
Switch
Switch “off”; the parking lights will ash once. If the Valet Switch is turned “off”
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Installation Cautions and Warnings
Do not attempt to install this Remote Car Starter into a manual
transmission vehicle! Doing so could cause serious property
damage, personal injury, and will void all warranties!
Be aware of, and avoid, any airbag circuitry! Due to the fact that
an installer will not be in a normal, upright seated position, severe
injury may occur in an accidental airbag deployment!
The use of a Digital Multimeter (DMM) or Volt-Ohm Meter (VOM)
instead of a standard testlight is required. This can greatly reduce
the risk of an accidental airbag deployment or on-board computer
damage.
Battery gases are explosive! Avoid sparks and do not smoke
while working near the vehicle’s battery!
Always protect wires routed through the rewall from sharp metal
edges and hot parts of the engine! Always fuse positive wires at
their source!
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Installation Instructions
IMPORTANT!
After reading this manual, start the installation by afxing the
WARNING DECAL to a visible area in the engine compartment!
Installation Considerations: This entire booklet should be read before
starting the installation. An understanding of which control module wires are to
be used and their functions is essential. Installations will vary from car to car,
as some control module wires are required, while others are optional. Before
starting the installation, it should be determined which control module wires will
be used. Most installers will list these wires, then “map out” the installation by
locating and noting the target wires in the vehicle. This will also determine the
best location for the RS control module, which is mounted upon completion of
the installation.
This Remote Start Unit duplicates the actions that occur within the ignition
switch when you use your key to start the engine. Because of this, most of the
main wiring harness connections will be made at the ignition switch harness.
The ignition switch wires usually are high amperage circuits, which means that
high reliability connections must be made- soldering of all connections is recommended.
Caution! Avoid the Airbag circuit! Especially avoid any harness or wires encased
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W I R I N G - 5 Wire Connector
(Two 12-Gauge) Red Wires: Constant +12
Volts Input
Connection Required. Connect both Red wires to constant 12 Volts. The
source used must supply adequate amperage. The most common sources are
the battery’s Positive terminal and the ignition switch wiring harness. Good reliable
Two Typical “Electrical”
Ignition Switch Locations
some Ignition Switches have the electrical
switch as part of the mechanical switch;
oth- ers have the electrical switch
lower on the steering column
and connected to the mechanical
switch by a linkage. The ignition
switch wiring harness is the
OR
best source for this and the
ignition #1 and accessory
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12-Gauge Green Wire: Starter Output Con-
nection Required. Connect the Green wire to the vehicle’s Starter wire. This
wire will show +12 Volts only when the ignition key is in the “Start” position. This
wire is also found in the ignition switch wiring harness (see diagram on previous
page). Some vehicles have a second Starter wire known as a “Cold Start” wire.
When this is encountered, an optional relay may be needed, congured to the
3-pin Red port, to energize the second Starter wire (pages 22-23).
Note: If a security system is present which utilizes a starter interrupt circuit, the
Green wire must be connected to the Starter Motor side of the interrupt.
12-Gauge Blue Wire: Ignition Output Con-
nection Required. Connect the Blue wire to the vehicle’s Ignition wire (also
known as “Primary Ignition”). This wire will show +12 Volts when the ignition key
is in the “Run” and “Start” positions and no voltage in the “Off” and “Accessory”
positions. This wire is found in the ignition switch wiring harness (see diagram
on previous page).
Note: If two or more Primary Ignition wires are present, you will need to connect
an optional relay or relays to the 3-pin Red port (see pages 22-23).
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12-Gauge Yellow Wire: Accessory Output
Connection Required. Connect the Yellow wire to the vehicle’s Accessory
wire. This circuit supplies power to the Heat, Ventilation and Air Conditioning
(HVAC) system. This wire will show 12 Volts when the ignition key is in the “Run”
and “Accessory” positions and No voltage in the “Start” and “Off” positions. The
connection point for this wire is also found in the ignition switch wiring harness
(see diagram on page 8).
W I R I N G - 9 Wire Connector
22-Gauge Black Wire: System Ground
Connection Required. Connect the Black wire to a very good, clean
chassis ground. A recommended connection is to an existing machine-thread
bolt, either in the driver’s kick panel, steering column area or a major structural
member behind the dash. Small dash braces are not adequate, and the area
must be clean, bright metal. Use of a sheet metal screw or otherwise grounding
to the vehicle’s sheet metal is least desirable, and in some cases will result in an
inadequate grounding of the system.
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22-Gauge Yellow/Black Wire: (+) Brake Input
Connection Required- The Yellow/Black wire must be connected. It
is part a critical safety feature which disables the RS unit whenever the brake
pedal is pressed. Connect the Yellow/Black wire to the brake switch wire which
shows +12 Volts when the brake pedal is pressed. The brake switch is typically
located above the brake pedal, and usually mounted to the brake pedal support
bracket. Always make this connection in a fashion ensuring its long-term reliability; soldering is highly recommended. Upon completing the Yellow/Black wire’s
connection, thoroughly test the operation of this circuit.
22-Gauge Dark Blue Wire: (-)
Hood Input
Connection Required- The Hood Safety Switch must be installed and
the Dark Blue wire must be connected. This prevents operation of the RS
unit if the hood is open.
Carefully install the included pin switch so that it is open (pin down) when the
hood is shut and closed (pin up) when the hood is open. Connect the Dark Blue
wire to the pin switch and carefully route this wire through the rewall, using an
added or existing grommet, avoiding any hot or moving parts.
If there is an existing hood pin switch for an alarm system, you may use it for
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Optional Parts Needed:
Two IN4002 Diodes
Hood
Pin
Switch
Diode I solating
The Hood Switch
To Existing Alarm
Dark Blue Wire
Instead of using a pin switch to monitor the hood’s open or shut status, an
Omega
AU-46 Mercury Tilt Switch may used. Connect one of the AU-46’s wires to Nega-
22-Gauge Orange/Black Wire: Engine Detect Input
Connection Required. The Orange/Black wire is the engine detect wire.
The RS unit utilizes two different methods of monitoring the vehicle during the
remote starting process. Consider both methods before deciding which one to
use. Normally the Smart Start method is used, especially for diesel engine applications in which the vehicle has no true tach signal available. An adjustment
control and LED indicator for each method are on the side of the unit’s case.
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1) Smart Start:
This method uses a voltage sensing circuit which reads the vehicle’s voltage
before attempting to start, and then monitors for a voltage increase which occurs
when the alternator has output. The Orange/Black wire connects to a constant
12 Volt source; the recommended location is the vehicle’s battery. Once all of
the wiring connections are made, the Smart Start voltage sensing input must be
adjusted, and Programmable Feature #5 offers two levels of the starter motor
preset cranking times. To make the initial Smart Start adjustment:
1) Position the selector switch for Smart Start (right position).
2) Locate the Smart Start adjustment and LED indicator on the side of the
unit.
Ensure that both adjustment screws are completely counterclockwise.
3) Now start the engine with the key; then, turn the Smart Start adjustment
screw slowly clockwise until the LED indicator begins to ash. The ashes
conrm that the unit is sensing the engine.
4) Turn the engine off.
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+
Battery
Red & Red:
(+) 12 Volts
Starter
30 Amp
30 Amp
White:
To Starter
Green:
Starter (+)
Parking Lights
Relay
Blue:
Ignition (+)
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OPTIONAL
AU-SOCKET &
SPDT RELAY FOR
ANTI-GRIND FEATURE
Orange: (-) Output When
Red: To
Ignition
Switch
Ignition
Switch
Yellow:
Accessory (+)
Light
Switch
White: (+) Parking
Light Output
Activated
Hood Pin
Switch
Blue:
(-) Hood Switch
Yellow/Black:
Brake (+)
Pink: To
Alarm or Key-
less Entry
Green:
To Glow Plug or
“Wait To Start” light
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Orange/Black:
To Coil or Battery
Set Select Switch Position First
WIRING DIAGRAM OVERVIEW
Smart
Tach
LED
Tach
Adjust
Start
LED
Smart
Start
Adjust
Valet Switch
10 Amp
Black:
(-) Ground
Lt. Blue:
To OEM Disarm
SMART START
TACH WIRE
ORANGE = ANTI-GRIND OUTPUT ORG/BLK = ENGINE DETECT INPUT
PINK = START ACTIVATION INPUT YEL/BLK = BRAKE INPUT +
DK. BLUE = HOOD INPUT GREEN = GLOW PLUG INPUT +
WHITE = PARKING LIGHT OUTPUT +
BLACK = GROUND
LT. BLUE = IGNITION CONTROL OUTPUT +
SATELLITE RELAY PORT
BLUE = IGNITION + OUTPUT
RED = +12V INPUT
RED = +12V INPUT
YELLOW = ACCESSORY + OUTPUT
GREEN = STARTER + OUTPUT
SELECT SWITCH
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VALET
SWITCH
PORT
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a. Without starting the engine, turn the ignition key to the “On” position.
b. If the LED indicator remains off the unit has been properly tuned.
c. If the LED indicator ashes there is noise on the Orange/Black wire’s connec tion and it will be necessary to relocate the connection.
2) Tach Sense:
If the vehicle is generally hard to start (example: requiring the starter to be engaged
for more than 1 second) this method will produce more consistent remote starting.
With this method the Orange/Black wire reads the engine speed (tach) information from a wire in the vehicle. The Orange/Black wire connects to the vehicle’s
tach wire, which is found in the engine compartment, although in some cases it
may also be located inside the vehicle. To use a multimeter to verify the correct
tach wire, set it for AC Volts scale. The correct wire will read 1 to 6 volts AC with
the engine idling, and will increase with engine speed. An additional adjustment
control and LED indicator allows tuning the unit’s tach wire sensitivity.
1) Position the selector switch for Tach Sense (left position).
2) Locate the Tach Sense adjustment and LED indicator on the side of the
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3) Start the engine with the key; then turn the Tach Sense adjustment screw
slowly clockwise until the LED indicator illuminates solid.
- To increase sensitivity, thus the crank time, turn the adjustment screw
coun terclockwise.
- To decrease sensitivity, thus the crank time, turn the adjustment screw
22-Gauge White Wire: Parking Light Output
Connection Recommended. The White wire is a +12 Volt output to the
vehicle’s exterior parking lights and its function is to visually conrm remote start
and Valet Mode operations. The parking lights are also used as indicators when
programming features. Connect the White wire to the vehicle’s 12 Volt parking
light circuit as shown in the accompanying diagrams. The correct wire will show
12 Volts only when the headlight switch is in the “Parking Light” and “Head Light”
positions. This wire can usually be found at the headlight switch, and various
other locations within the vehicle, such as the rear body harness or rewall
connector. Caution: When such a wire is located, be sure to also test that it is
non-rheostated: While metering the wire, operate the dash light dimmer control.
The correct wire will show no change in voltage when the dimmer is operated.
Some vehicles have a parking-light relay which is triggered by a Negative signal
from the headlight switch. In these vehicles, the White wire must be connected
after the relay, usually at the Fuse/Junction Block. Do NOT connect the White
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Typical Parking Lights Connection
Dash Board
Lights
White Wire
directly to the vehicle’s headlights. An external relay is required. Vehicles having
a split parking light system must
be diode isolated, requiring the
use of two IN4006 diodes:
Control
Module
Light
Switch
Parking Lights
Right Side Circuit
Control
Module
Two IN4006 Diodes.
White Wire
Diode Isolation Of Split
Parking Light Systems
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Light
Switch
Left Side Circuit
Parking Lights
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22-Gauge Pink Wire: (-) Start Activation
Input
Connection Required. The Pink wire is how the RS-3A is activated for
remote start operation. This wire is to be connected to an alternative device such
as an existing keyless entry or alarm system. If the Pink wire receives a Negative
pulse, the RS unit will start the vehicle’s engine, provided that all safety circuits
are in the proper status. After the engine has been started by remote control,
another Negative pulse on the Pink wire will turn the RS unit off, stopping the
engine. Connect the Pink wire to an available auxiliary output of the existing
host system, or if there is no available auxiliary output, the “2 Pulse Activation”
programmable feature may be used to activate the remote start operation. This
feature is typically used with an existing keyless entry system.
Should it be desired to activate the RS unit’s remote start operation from an
existing keyless entry system, programmable feature #6 will congure the Pink
wire to activate the remote start feature only if it receives two Negative pulses
within 10 seconds. This allows conguring the RS unit to remote start when the
OEM transmitter’s “LOCK” button is pressed twice. In most cases the existing
keyless entry system will have Negative switching door lock circuits to which
the Pink wire may be connected directly. In the other cases, an optional relay
is needed to reverse Positive polarity to Negative. When feature #6 is selected
for “two pulse” operation, once the RS unit has started the engine, the Pink wire
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22-Gauge Orange Wire: Anti-Grind Output
Connection If Desired. The function of the Orange wire is to provide a
250mA Negative auxiliary output which may be used to operate a starter motor
“Anti-Grind” relay, which prevents accidental starter grind should the key be turned
while the remote starter is in operation.
Connect “Switch” side of cut wire
to terminal #30 of the relay.
Ignition Switch
Connect “Motor” side of cut wire
to terminal #87a of the relay.
Note: Connect 12-gauge
Green starter wire to the
motor side of the cut wire
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86
87
87a
30
Coil
Control
Module
85
Orange Wire
Starter Motor
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22-Gauge Green Wire: (+) Glow Plug
Input
Connection If Needed. The Green wire allows the RS-3A to be used with
diesel engines. Connect the Green wire to the wire in the vehicle which powers the glow plugs, or the wire which illuminates the “Wait To Start” light on the
instrument panel. When connected, the RS unit will not engage the starter if the
Green wire has +12 Volts; in other words, using this wire simply delays the RS
unit’s engagement of the starter. If the “Wait To Start” light in the vehicle has
a Negative switching circuit, it can still be used by simply reversing the polarity
with an optional relay.
22-Gauge Light Blue Wire: (+) Ignition Control Out-
put
Connection If Needed. Since the RS-3A is activated by a host unit, the
host unit should also deactivation, or turning off the engine once it is started.
The host unit, however, may not operate when the vehicle’s ignition is “On”. The
Light Blue wire has +12 Volt output when the ignition key is “On”, but when the
ignition is on during remote start operation.
If the host unit stops operating during remote start operation cut its existing
+12 Volt ignition supply wire and connect the Light Blue wire to the host unit side
of the cut (insulate the unused original supply wire). This will allow the host unit
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W I R I N G - 3 Wire Connector
This harness, which plugs into the Red 3-pin port on the control module, can
be used, if needed, to congure optional relays to energize additional Ignition
or Starter circuits. Also, Omega OEM security bypass interfaces use the Red
22 Gauge Blue Wire: 500mA Negative Ignition Output
Connection If Needed. This 22 gauge Blue wire is a 500mA Negative out-
put having basically the same operation as the 12 gauge Blue Ignition output. If
two or more Primary Ignition wires are present in the vehicle an optional relay is
needed, connected to this wire as shown in the diagram on the next page.
22 Gauge Red Wire: +12 Volt Output For Optional Relay
Coil
Connection If Needed. The Red wire supplies constant 12 Volts that
can be used to power the relay’s coil only- DO NOT use this Red wire for the
22 Gauge Green Wire: 500mA Negative Starter Output
Connection If Needed. This 22 gauge Green wire is a 500mA Negative
output, which has the same operation as the 12 gauge Green Starter output. If a
second Starter wire is present in the vehicle, an optional relay will be needed, connected to the 22 gauge Green wire as shown in the diagram on the next page.
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In cases where an additional Ignition or second
Starter circuit is present in the
Fused con-
vehicle, congure optional relays
as needed. This Red 3-pin port
also is used for certain optional
Omega bypass modules for OEM
security systems utilizing
resistors in the ignition
switch or transponders
Coil
in the ignition key.
Blue Wire
Fused con-
The wires
used and
the power
source for
the optional
relays must be
capable of supplying
and carrying high
amperage.
Red Wire
Green Wire
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stant
12 Volts
85
87
86
stant
12 Volts
85
87
Coil
86
Typical Additional
Ignition & Starter
Circuit Optional Re-
lay Conguration
87a
Optional
Relay
30
To Additional
Ignition Circuit
87a
Optional
Relay
30
To Additional
Starter Circuit
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Valet Switch
Valet Switch:
Mount this switch in a location that’s easily accessible to the user. Route the wires
to the RS unit’s control module and plug the 2-wire connector into the matching
2-pin port on the control module. The Valet Switch is used to place the system
into Valet Mode and for Features Programming Mode. In everyday operation,
the “on” or “off” status of this switch controls Valet Mode. For the Features
Programming Mode, this switched is toggled “on” and “off” within 7 seconds of
the ignition switch being turned “Off”.
Programmable Features
The RS-3A has three programmable features. These features can be changed
when the unit is in Features Programming Mode by selecting the feature with the
valet switch, then changing its setting by pressing the brake pedal. Please note
that there are actually six features which are accessible, but only features #4 to
#6 apply to the RS-3A. The unused rst three features are only applicable to the
RS-3A’s companion model, the RS-7K2.
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The three usable features, and their default and optional settings, are:
# FEATURE DEFAULT OPTION
#
1 NOT APPLICABLE N/A N/A
#
2 NOT APPLICABLE N/A N/A
#
3 NOT APPLICABLE N/A N/A
#
4 Engine Running Time 15 Minutes 30 Minutes
#
5 Starter Cranking Time (in seconds) .8, 1.2, 1.5 1.2, 1.5, 2
#
6 1 Or 2 Pulse Remote Start Activation 1 Pulse 2 Pulses
To access Features Programming Mode and changing features:
1) Turn the ignition switch “On”, then “Off”.
2) Within 7 seconds ip the Valet Switch “on” and “off” 5 times. The parking
lights ash once indicating Features Programming Mode.
3) Select the feature to be changed by ipping the Valet Switch the same num-
ber of times as the feature number (i.e.- 4 presses, 5 presses, or 6
presses); the RS-unit’s response is an equal number of parking light
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4) Once the feature has been conrmed by the parking light ashes, press the
brake pedal to change the feature; the RS unit will ash the parking lights
once to indicate that the selected feature is in the “default” setting, or
twice to indi cate that the feature is in the “optional” setting. Once the feature has been
selected, each press of the brake toggles the feature setting- the brake can be
pressed multiple times until the feature is in the desired setting.
5) Select another feature by repeating step 3), or allow the unit to exit Features
Programming Mode by simply not performing any programming actions- after
8 seconds the RS unit briey turns on the parking lights to indicate its exit
from Features Programming Mode.
The programmable features:
Features #1-#3 ARE NOT USED BY THE RS-3A.
Feature #4- “Engine Running Time” selects the remote start engine run period
to be 15 minutes or 30 minutes.
Feature #5- “Starter Cranking Time” slightly lengthens the starter engagement,
which is useful for vehicles which may have difcult-to-start engines.
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Feature #6- “1 Or 2 Pulse Remote Start Activation” changes the Pink “Start
Acti vation Input” wire’s operation so that two Negative pulses instead of one is
required for an external device to activate the remote starting feature. This
feature allows an existing keyless entry system to activate the RS unit, and
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LIMITED LIFETIME WARRANTY
Products manufactured and sold by OMEGA RESEARCH & DEVELOPMENT, INC. (the Company), are warranted to be free from defects in materials and workmanship under normal use.
If a product sold by the Company proves to be defective, the Company will repair or replace it
free of charge within the rst year and thereafter all parts to be repaired will be free with only a
nominal charge for Omega Research and Development, Inc.’s labor and return shipping, to the
original owner during the lifetime of the car in which it was originally installed.
All products for warranty repair must be sent postage prepaid to Omega Research & Development, Inc., P.O. Box 508, Douglasville, Georgia 30133, with bill of sale or other dated proof
of purchase. This warranty is nontransferable and does not apply to any product damaged by
accident, physical or electrical misuse or abuse, improper installation, alteration, any use contrary
to its intended function, unauthorized service, re, ood, lightning, or other acts of God.
This warranty limits the Company’s liability to the repair or replacement of the product. The
Company shall not be responsible for removal and/or reinstallation charges, damage to or theft of
the vehicle or its contents, or any incidental or consequential damages caused by any failure or
alleged failure of the product to function properly. Under No Circumstances Should This Warranty,
Or The Product Covered By It, Be Construed As A Guarantee Or Insurance Policy Against Loss.
The Company neither assumes nor authorizes any person or organization to make any Warranties
or assume any liability in connection with the sale, installation, or use of this product.
11/00 MA_RS-3A
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