Megalarm MEGA 450 Installation & Operation Instructions

Remote control auto alarm system

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H7/1 Green Wire: (-) 200mA Lock Pulse
H7/3 Blue Wire: (-) 200mA Unlock
Valet Switch
Black Antenna Wire
H1: MAIN 5 PIN WIRE HARNESS:
1. Red / White Wire: Parking Light Relay input
2. White Wire: Parking Light Relay Output
3. Black Wire: Ground to Vehicle FRAME
4. Brown Wire: Positive output To
Siren Or Horn (Programmable)
5. Red Wire: +12V To Constant Battery Source
H3: 6 PIN MINI CONNECTOR WIRE HARNESS:
1. Violet Wire: Zone 3 / Positive Door Pin Switch Input
2. Blue Wire: Zone 2 / Instant Trigger Ground Input
3. Green Wire: Zone 3 / Negative Door Pin Switch Input
4. Yellow Wire: Zone 5 / To Ignition Switched + 12V
5. Orange Wire: 200mA Grounded when armed
6. Gray Wire: (-) 200ma Programmable Output
Channel 2 / 2 Step Door Unlock / Pager Output.
REMOTE CONTROL AUTO ALARM SYSTEM
INSTALLATION & OPERATION INSTRUCTIONS
Wiring DIAGRAM
H7 3 Pin
White
H6 2 Pin
White
H5 2 Pin
Blue
H4 Black
MEGA 450
H1 5 Pin
White
H2 4 Pin
Orange
H3 6 Pin
Wire
White
H3 : 6 Pin White Mini Connector
12V
From ignition switch
1
H1 : Main 5 Pin White harness
Dual Zone
Shock
Sensor
15A Fuse
Cut
To start solenoid
30
White wire
Red
wire
Orange
85
87a
86
wire
87
12V

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Summary of Contents for Megalarm MEGA 450

  • Page 1 MEGA 450 REMOTE CONTROL AUTO ALARM SYSTEM INSTALLATION & OPERATION INSTRUCTIONS WIRING DIAGRAM H7 3 Pin H7/1 Green Wire: (-) 200mA Lock Pulse White H1 5 Pin H7/3 Blue Wire: (-) 200mA Unlock H1 : Main 5 Pin White harness...
  • Page 2 WIRING Keep wiring away from moving engine parts, exhaust pipes and high-tension cable. Tape wires that pass through holes on the firewall to prevent fraying. Watches out sharp edges that may damage wires and causes short circuit. CAUTION: Do not connect the wire harness to the control module until all wiring to vehicle is complete. H1: MAIN 5 PIN WIRE HARNESS: H1/1.
  • Page 3 a). Find the wire from the starter solenoid, (usually located on the starter) and going to the ignition switch. b). When found, use voltmeter, connect one probe of the voltmeter to ground and connect the other end of the probe to the starter wire, it should receive "12 Volts" only when the ignition key in the "START" position.
  • Page 4 VACUUM OPERATED CENTROL LOCKING 5-WIRE ALTERNATING DOOR LOCK Green Wire +12V Door Switch Green Wire Master Door Lock Switch Splice Cut the Existing 3 Pin Plug Unlock Wire +12V 3 Pin To Alarm Plug To Compressor Splice Alarm +12V Cut the Existing Lock Wire Blue Wire To Door...
  • Page 5 PROGRAMMING A. PROGRAMMING TRANSMITTER: Enter: 1. Turn the Ignition switch ‘OFF/ON’ 3 TIMES and stay in ON position. Within 15 seconds. 2. Push the Valet switch 3 times and hold it until a long chirp is hearing then release the valet switch. You now in the Transmitter programming mode.
  • Page 6 Press and release the transmitter button ‘A’ corresponding to the feature ‘A’ you want to program. Press One Chirp / Two Chirps / Three Chirps / Transmitter LED one pulse LED two pulse LED three pulse Button Factory Default Setting 1 Button I H1/4 Brown Wire = Siren H1/4 Brown Wire = Horn...
  • Page 7 SHOCK SENSOR / OPTIONAL SENSOR BY-PASS: Press the button I on the transmitter twice within 3 seconds will arm the security system, by-pass the shock sensor and the optional sensor connected to 4 pin plug. The system will chirp one additional time to confirm the sensor bypass mode was activated. The sensor bypass feature is programmed to activate for one arming cycle only.
  • Page 8 If the one of sensors or detectors still active, the alarm system will sound a maximum of 6 cycles of 30 seconds . M. ANTI CAR-JACKING Warning: If you don't need the anti car-jacking function in this alarm system, be sure to set anti car-jacking III - 3 feature “OFF”.

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