MEGATRONIX MEGALARM MEGA 250 Installation Manual

MEGATRONIX MEGALARM MEGA 250 Installation Manual

4-channel remote engine starter and keyless entry system

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MEGA 250
4-CHANNEL REMOTE ENGINE STARTER
AND KEYLESS ENTRY SYSTEM
Installation Manual
MEGATRONIX
CALIFORNIA, U.S.A.
MEGA 250 INSTALL
1

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Summary of Contents for MEGATRONIX MEGALARM MEGA 250

  • Page 1 MEGA 250 4-CHANNEL REMOTE ENGINE STARTER AND KEYLESS ENTRY SYSTEM Installation Manual MEGATRONIX CALIFORNIA, U.S.A. MEGA 250 INSTALL...
  • Page 2: Installer Warnings

    INTRODUCTION INSTALLER WARNINGS This Remote Starter with Alarm System is designed to be installed on fuel injected vehicles with an automatic transmission ONLY.  Never install this remote starter on a manual transmission vehicle.  This system must be installed and wired through a safety switch it will not start in any forward or reverse gear.
  • Page 3: Installation Diagram

    INSTALLATION DIAGRAM 1. Red/White: Parking Light Relay Power input Indicator 2. White: Parking Light Relay Output Windshield Receiver 3. Black: Ground to Vehicle Frame Antenna 4. Brown: (-) 200ma programmable Output 1. Horn Output (Factory Default Setting) 2. Channel 4 Output Fuse 3.
  • Page 4: H1: 6 Pin Heavy Gauge Wiring Connection

    #H5 5 PIN WHITE CONNECTOR FOR OUTPUT CONNECTION 1. Orange Wire: (-) 500mA Grounded Output When Armed 2. Yellow Wire: (-) 200 mA Ignition 3 Control Output 3. White Wire: (-) 200 mA Programmable output Dome Light Control Output (Factory Default setting) Or Channel 4 Output Or Ground Output During Start (Crank) 4.
  • Page 5 NOTE: This wire must be connected to the vehicle side of the starter cut relay (when used). For the electrical neutral switch configuration, this connection must be made between the starter inhibit relay (when used) and the neutral safety switch as shown in the following diagram. Failure to connect this wire to the ignition switch side of the neutral safety switch can result in personal injury and property damage.
  • Page 6 This is main ground connection of the alarm module. Make this connection to a solid section of the vehicle frame. Do not connect this wire to any existing ground wires supplied by the factory wire loom, make the connection to the vehicle's frame directly. H2/4.
  • Page 7 Some newer vehicles use a third ignition wire + 12 V Constant which is required to start and keep the vehicle’s Fused 25A Capable engine running. If this is the case, wire an IGN 3 Yellow Wire relay (not supplied) as shown below: Do not connect any vehicle circuits together, they Ignition 3 Wire From are isolated for a resaon.
  • Page 8 Press buttons at the same time to remote control the optional electrical device. The device will 'on' when the button(s) press continuously, and 'off' when the button(s) released. GROUND OUTPUT DURING START (CRANK) – (See Alarm Feature I - 5 Programming) This wire will provide a 200mA ground output while the starter output of the remote start unit is active.
  • Page 9 +12 volts from fuse box Switch closes when brake is depress wire To White/ Violet Brake light bulbs H6/4. WHITE/BLACK Wire – NEGATIVE SAFETY SHUT DOWN INPUT -- The WHITE/BLACK wire provides an instant shutdown for the remote start, whenever it is grounded.
  • Page 10 INSTALL NEW DOOR LOCK MOTOR ( - ) Unlock Pulse Blue Wire Blue Wire (+) Lock Pulse ( - ) Lock Pulse Green Wire +12V ( + ) Unlock Pulse 3 Pin Plug To Alarm Green Wire NEGATIVE TRIGGER DOOR LOCK SYSTE POSITIVE TRIGGER DOOR LOCK SYSTEM Blue Wire Door Unlock Blue Wire Door lock...
  • Page 11 2 STEP DOOR UNLOCK WIRE CONNECTION FOR 2 STEP DOOR UNLOCK WIRE CONNECTION FOR POSITIVE SWITCHED DOOR LOCKS GROUND SWITCHED DOOR LOCKS +12V H5/4: OEM Door Master Lock Switch OEM Door Master Lock Switch 5-Pin H5/4: Pink Wire 5-Pin Plug Pink Wire Unlock Lock...
  • Page 12 PROGRAMMING A. PROGRAMMING THE REMOTE TRANSMITTER: Note: This mode will only retain the last 4 remote transmitters programmed. If the transmitter memory is exceeded, the security system will start deleting transmitters from memory in chronological order. 1. Turn the Ignition 'switch ‘OFF/ON’ 3 TIMES and stay in ON position. Within 15 seconds. 2.
  • Page 13 2 Push the Valet switch 4 times and holding in on the 4 push until two chirps with a long chirp is hearing and the LED start to flash then release the valet switch. You are now in the Alarm feature ‘II’...
  • Page 14 The Vehicle without Vehicle Built-in Turbo Timer Built-in Turbo Timer Turbo Mode (The aftermarket Turbo Control Active: Control Active: system Cannot be timer installed: Press Press Lock / Unlock with The system Can be buttons at the same buttons at the same the engine running.) Lock / Unlock with time...
  • Page 15 4. Press and release the transmitter button once, [1] LED flash, [1] chirp to indicate you are in feature 5. Start the vehicle with the key. (While the engine is running, the parking light & LED will flash, If do not, please check tachometer White/Red wire connection. (H6/5) 6.
  • Page 16: Return To Factory Default Setting

    button twice on the transmitter to turn ignition lights “OFF”. a. Press the button on the transmitter to set proper “Start Timer”. The chirp & LED pause will b. Press confirm this enter. (Increase “Start Timer” is necessary.) c. Repeat the step 1 – 4. ENGINE CHECKING OFF 1.
  • Page 17: Testing Your Installation

    4. Move the Enable Toggle Switch to “ON” Neutral Safety Switch input fail position. (If installed) 5. Move the gear selector to “Park”/ “NEUTRAL” position. 6. Check H6/2 Black/White wire connection. No RPM (Engine Checking TACH.) or Check H6/5 White/Red wire connection Program the “Check Level”...
  • Page 18 the control switch wiring. Shown is a typical GM Park/Neutral ECM input circuit. To connect the Remote Start unit to the GM Park/Neutral ECM input: 1. Locate the Orange/Black reference wire in the “C2” connector found at the ECM in GM B Body vehicles or, locate the equivalent reference wire in the vehicle you are installing the Remote Start Unit in.
  • Page 19 E. Connect the cathode (striped) side of a 4003 series diode to this same wire, and connect the (non striped) side to the negative safely input wire (WHITE/ BLACK) (H6/4) of the Remote Start Unit. F. Connect terminal 86 of the relay to a fused + 12 volt constant battery source. G.
  • Page 20 MEGA 250 INSTALL...

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