Directed Electronics MERLIN 2000 User manual

Model 2000

Installation Guide

Rev. B 1.0

table of contents

Bitwriter™, Code Hopping™, DEI®, Doubleguard®, ESP™, FailSafe®, Ghost Switch™, Learn

Routine™, Nite-Lite®, Nuisance Prevention Circuitry®, NPC®, Revenger®, Silent Mode™, Soft Chirp®,

Stinger®, Valet®, Vehicle Recovery System®, VRS®, and Warn Away® are all Trademarks or Registered

Trademarks of Directed Electronics, Inc.

What Is Included . . . . . . . . . . . . . . . . . . . . . 3

Installation Points to Remember . . . . . . . . . . 4

Deciding on Component Locations . . . . . . . . . 5

Siren . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Control Module. . . . . . . . . . . . . . . . . . . . . 5

Valet/Program Switch . . . . . . . . . . . . . . . . 5

Status LED . . . . . . . . . . . . . . . . . . . . . . . 5

Finding the Wires You Need. . . . . . . . . . . . . . 6

Obtaining Constant 12V . . . . . . . . . . . . . . . 6

12V Switched Ignition Wire . . . . . . . . . . . . 6

Starter Wire. . . . . . . . . . . . . . . . . . . . . . . 7

(+) Parking Light Wire . . . . . . . . . . . . . . . . 7

Making Your Wiring Connections. . . . . . . . . . . 8

Primary Harness (H1), 14-Pin Connector . . . . . 9

Primary Harness Wire Connection Guide. . . . . 10

Making Siren Connections . . . . . . . . . . . . . . 14

Enabling the Back-Up Battery Siren . . . . . . 14

Plug-In LED and Valet/Program Switch . . . . . . 15

On-Board Doubleguard Shock Sensor . . . . . . . 15

Transmitter/Receiver Learn Routine. . . . . . . . 16

System Features Learn Routine . . . . . . . . . . . 17

Features Menu . . . . . . . . . . . . . . . . . . . . . . 18

Feature Descriptions . . . . . . . . . . . . . . . . . . 18

Multi-Level Security Arming . . . . . . . . . . . . . 19

Nuisance Prevention Circuitry. . . . . . . . . . . . 20

Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . 20

Arming Diagnostics . . . . . . . . . . . . . . . . . 20

Disarming Diagnostics . . . . . . . . . . . . . . . 20

Table of Zones . . . . . . . . . . . . . . . . . . . . . . 21

Troubleshooting . . . . . . . . . . . . . . . . . . . . . 21

Wiring Quick Reference Guide . . . . . . . . . . . 24

what is included

Shock Sensor

Sensitivity

Adjustment

H1 Primary

Harness Port

(14-Pin Connector)

White

LED Port

(2-Pin Connector)

Blue Valet

Switch Port

(2-Pin Connector)

■The control module (see diagram)

■Two 470T Series remote transmitters

■Primary harness

■A plug-in status LED

■A plug-in Valet®switch

■An on-board shock sensor

■A back-up battery siren

■Two back-up battery siren keys

■A mercury tilt switch (for motorcycle installations)

Antenna

installation points to remember

This system has many unique features, some of which require unique testing procedures! Carefully review both

this installation guide and the owner’s guide before beginning the installation or this system, particularly the

wiring diagrams.

■The control module’s PC board is protected with a conformal coating which will combat condensation build-

up, however the system is NOT WATERPROOF. This system and all of its components MUST be installed in a

location where they cannot become wet or be submerged in water.

■We recommend insulating all your soldered or crimped connections with heat shrink or electrical tape. We

also recommend spraying a silicone sealant on all your connections and plugs AFTER they are connected and

plugged in. Spraying beforehand prevents good electrical connections.

■This unit is equipped with Nuisance Prevention Circuitry, which can bypass zones that are repeatedly trig-

gered, causing them to appear not to work. For a detailed description of this feature, refer to the Nuisance

Prevention Circuitry section of the Owner's Guide.

■If possible, consult with the customer to determine the location of the Status LED.

■Never mount components where they can be easily disconnected, or where they might interfere with normal

operation or obstruct service technicians.

After the installation is complete:

■Before mounting the control module, in conditions where moisture or condensation may build up around the

control module's Molex plugs, we recommend applying white lithium grease or an electrical conductive-type

grease around the control module’s Molex plug contacts to prevent the terminals from oxidizing.

■Make sure to test all functions. The “Using Your System” section of the owner’s guide is very helpful when

testing the system.

deciding on component locations

Some things to remember when mounting the siren:

■Mount the siren with screws, taking care that the screws do not come in contact with any wire harnesses or

fluid lines.

■Keep it away from heat sources. Radiators, exhaust manifolds, turbochargers, and heat shields are all loca-

tions to avoid.

■Mount it where a thief cannot easily disconnect it. Both the siren and its wires should be difficult to find.

This usually involves disguising the wire to look like a factory harness.

■Point the siren down so water does not collect in it.

■When installing this system in watercraft, the siren must be mounted in a compartment that does not take

in water.

Some things to remember when mounting the control module:

■Mount the control module with the screws or with zip ties.

■When locating the control module, keep it away from any heat sources or obvious leaks. Also keep the com-

ponents and harnesses as far from the exhaust system as possible.

■The higher the control module is mounted, the better the transmitter range will be.

■When installing this system in watercraft, the control module must be mounted in a compartment that does

not take in water.

The switch should be well hidden. It should be placed so passengers or stored items (such as near a luggage

carrier or saddlebags) cannot accidentally hit it. The switch fits in a 9/32-inch hole.

IMPORTANT! When the vehicle is delivered, please show the user where the switch is located and

how to disarm the system with it.

Things to remember when positioning the Status LED:

■It should be visible from both sides and the rear of the vehicle, if possible.

■It needs at least 1/2-inch clearance to the rear.

■The LED fits in a 9/32-inch hole.

locations for the status LED

locations for the valet/program switch

locations for the control module

locations for the siren

finding the wires you need

Now that you have decided where each component will be located, you’re going to find the wires in the vehicle

that the security system will be connected to.

IMPORTANT! Do not use a 12V test light to find these wires! Use a digital multimeter for all testing.

We recommend two possible sources for 12V constant: the (+) terminal of the battery, or the constant supply to

the ignition switch. Always install a fuse within 12 inches of this connection. If the fuse also will be powering

other circuits, fuse accordingly.

IMPORTANT! Do not remove the fuse holder on the red wire. It ensures that the control module has

its own fuse, of the proper value, regardless of how many accessories are added to the main power

feed.

The ignition wire is powered when the key is in the run and start positions. This is because the ignition wire

powers the ignition system (spark plugs, coil) as well as the fuel delivery system (fuel pump, fuel injection com-

puter). Accessory wires lose power when the key is in the start position to make more current available to the starter

motor.

How to find (+)12V ignition with your multimeter:

1. Set to DCV or DC voltage (12V or 20V is fine).

2. Attach the (-) probe of the meter to battery ground.

3. Probe the wire you suspect of being the ignition wire. The ignition switch harness is an excellent place to

find this wire.

finding the 12V switched ignition wire

obtaining constant 12V

4. Turn the ignition key switch to the run position. If your meter reads (+)12V, go to the next step. If it doesn’t,

probe another wire.

5. Now turn the key to the start position. The meter display should stay steady, not dropping by more than a

few tenths of a volt. If it drops close to or all the way to zero, go back to Step 3. If it stays steady at (+)12V,

you have located an ignition wire.

The starter wire provides 12V directly to the starter motor or to a relay controlling the starter motor.

How to find the starter wire with your multimeter:

1. Set to DCV or DC voltage (12V or 20V is fine).

2. Attach the (-) probe of the meter to battery ground.

3. Probe the wire you suspect of being the starter wire. The starter relay/starter wire is an excellent place to

find this wire. Remember you do not need to interrupt the starter at the same point you test it. Hiding your

starter kill relay and connections is always recommended.

4. Turn the ignition key switch to the start position. Make sure the vehicle is not in gear! If your meter reads

(+)12V, go to the next step. If it doesn’t, probe another wire.

5. Cut the wire you suspect of being the starter wire.

6. Attempt to start the vehicle. If the starter engages, reconnect it and go back to Step 3. If the starter does

not turn over, you have the right wire.

The (+) parking light wire is often found near the parking light switch or side marker light.

NOTE: Many motorcycles and recreational vehicles do not have front running lights. On this type of

vehicle, you may want to use the separate left and right turn signal circuits for light flash purposes.

How to find a (+) parking light flash wire with your multimeter:

1. Set to DCV or DC voltage (12V or 20V is fine).

2. Attach the (-) probe of the meter to battery ground.

3. Probe the wire you suspect of being the parking light wire.

4. Turn on the parking lights. If your meter shows (+)12V, turn off the parking lights and make sure it goes back

to zero.

5. If it does return to zero, turn the parking lights back on and, using the dash light dimmer control, turn the

brightness of the gauge lights up and down. If the meter changes more than a volt when using the dimmer,

look for another wire. If it stays relatively close to (+)12V, you have found your parking light wire.

finding a (+) parking light wire

finding the starter wire

making your wiring connections

Before making your connections, plan how your wires will be routed. For instance, the red 12V constant input

and the orange ground-when-armed output (for the starter kill relay) will often be routed together to the igni-

tion switch harness. In order to keep the wiring neat and make it harder for a thief to find, you may wish to

wrap these wires together in electrical tape or conceal them in tubing similar to what the manufacturer used.

Wire ties can be used to keep your harnesses neat and out of the way of any moving parts.

There are two acceptable ways of making a wire connection - solder connections and crimp connectors. When

properly performed, either type of connection is reliable and trouble-free. Regardless of whether you solder your

connections or you use mechanical-type crimp-on connections, ensure that all connections are mechanically

sound and that they are insulated.

Cheap electrical tape, especially when poorly applied, is not a reliable insulator. It often falls off in hot weather.

Use good-quality electrical tape or heat shrink.

■Never twist-and-tape the wires together without soldering.

■Never use “fuse taps”, as they can damage fuse box terminals.

■For watercraft, we recommend using solder connections and insulating them with heat shrink to avoid corrosion.

If you use tapping connectors such as 3M T-Taps (not to be confused with Scotch-Locks), avoid using them in

higher-current applications (constant 12V, ground, etc.). Some tapping connectors are inferior in quality and

should be avoided.

primary harness (H1), 14-pin connector

______

*NOTE: These wires are interchangeable.

WHITE (+) LIGHT FLASH OUTPUT #2

BLACK/WHITE* STARTER KILL OUTPUT

RED/WHITE (-) CHANNEL 2 OUTPUT

WHITE/BLUE (-) CHANNEL 3 OUTPUT

BLACK/WHITE* STARTER KILL INPUT

BROWN (-) SIREN OUTPUT

YELLOW (+) IGNITION INPUT

RED (+) 12V CONSTANT POWER

WHITE (+) LIGHT FLASH OUTPUT #1

BLUE (-) INSTANT TRIGGER/MERCURY TILT SWITCH INPUT

ORANGE (-) GROUND-WHEN-ARMED 500 mA OUTPUT

LIGHT GREEN/BLACK (-) OPTIONAL MULTIPLEXED SENSOR INPUT

BLACK (-) BATTERY GROUND

GREEN (-) CLOSED LOOP

H1/1

H1/2

H1/3

H1/4

H1/5

H1/6

H1/7

H1/8

H1/9

H1/10

H1/11

H1/12

H1/13

H1/14

primary harness wire connection guide

This wire can be used to protect a part of the vehicle where a trigger is desired when the wires of the connec-

tion are not in contact, rather than in contact. This closed loop connection is useful for protecting things such

as saddlebags, luggage carriers, etc. that could be easily removed from a motorcycle or other recreational vehicle.

Connect this wire through the object being protected and then to the battery ground loop. Then, if the contact

is broken on this wire when the alarm system is armed, the alarm will sound.

NOTE: When armed, the system checks to ensure that ground is present on this wire. If ground is

not present on this wire, the system will ignore the zone (see Table of Zones section of this guide)

and will not respond to the zone again until the system has been disarmed and rearmed.

Connect this wire to the vehicle’s negative battery terminal using a ring connector. We recommend grounding all

your components to the same point.

Inputs shorter than 0.8 seconds will trigger the Warn Away response, while inputs longer than 0.8 seconds will

trigger the full alarm sequence and report Zone 4. If installing an optional DEI®dual stage sensor, connect both

the blue and the green wires of the optional sensor to this input.

This wire supplies (-) ground as long as the system is armed. This output ceases as soon as the system is dis-

armed. This wire can be used to turn on an optional sensor or to ready an optional accessory, such as a pager

module.

H1/4 ORANGE (-) ground-when-armed 500 mA output

H1/3 LIGHT GREEN/BLACK (-) optional multiplexed sensor input

H1/2 BLACK (-) battery ground

H1/1 GREEN (-) closed loop

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