Megalarm MEGA 250 Installation Instructions Manual

Other manuals for MEGA 250: Operation manual
Manual is about: REMOTE ENGINE STARTER WITH KEYLESS ENTRY

Summary of MEGA 250

  • Page 1

    Mega 250 remote engine starter with keyless entry installation manual megatronix chatsworth, ca u.S.A. Mega 250 install 1.

  • Page 2

    Mega 250 install 2.

  • Page 3

    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...

  • Page 4

    Installation diagram h 8 3 pin white h 1 6 pin white h 2 5 pin white h 3 2 pin white h 4 3 pin black h 5 5 pin white valet switch h 6 5 pin black h 7 2 pin blue 5. Pink: ignition 2 output 2. Red: +12v input 3. Red: +12v input 4. Yellow: ignition 1 output 1. Violet: starter output 20a fuse 20a fuse 6...

  • Page 5

    #h5 5 pin white connector for output connection 3. White wire: (-) 200 ma programmable output dome light control output (factory default setting) or channel 4 output or ground output during start (crank) 1. Orange wire: (-) 500ma grounded output when armed 5. Gray wire: (-) 200 ma channel 3 (trunk) ...

  • Page 6

    Failure to connect this wire to the ignition switch side of the neutral safety switch can result in personal injury and property damage. See neutral start safety test for further details. Start cut relay (when used) violet wire closed in park or neutral only ignition switch “start” “on” neutral safe...

  • Page 7

    Press and 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. Factory security rearm signal output– (see alarm feature i - 4 programming) this wire is designed to rearm a factory...

  • Page 8

    8. Connect the pin (86) of the relay module to the ignition wire from the ignition switch. 9. Connect the pin (85) of the relay module to the h5/2 yellow wire of 5-pin mini white connector. Gm vats key override: if the vehicle has the general motor vats system installed, you will need to by-pass the...

  • Page 9

    This will become a 1 second pulse ground by activate channel 3 on transmitter for two seconds, the current capacity of this wire is 200 ma. This feature allows you to remote control trunk release or other electric device. H6: 5 pin mini black connector : h6/1. Green wire – (-) instant start & turn o...

  • Page 10

    Lower amounts of ac voltage. Also, if necessary, the system can use a fuel injector control wire for engine speed sensing. Common locations for a tach. Wire are the ignition coil itself, the back of the gauges, engine computers, and automatic transmission computers. Important! Do not test tach. Wire...

  • Page 11

    2 step door unlock wire connection for 5 wire alternating door locks +12v cut the existing lock wire cut existing unlock x cut the unlock wire lock unlock oem door master lock oem slave door lock switch +12v lock unlock to all other door lock motors h5/4: 5-pin plug froma larm pink wire x x blue wir...

  • Page 12

    2. Push the valet switch 2 times and holding in on 2 nd push until one chirp with a long chirp is hearing and the led start to flash then release the programming switch. You are now in the feature ‘i’ programming mode. 3. Press and release the transmitter button ‘a’ corresponding to the feature ‘a’ ...

  • Page 13

    Some vehicles have a special “comfort feature”. When you lock the door with the key, you just have to keep on turning the key on the door about 5 or 7 seconds and the window will close directly. If your vehicle with “comfort feature” and you wish the door being locked and the window being closed aut...

  • Page 14

    Rpm learning 3 start timer: 0.6-second 0.8-second (2 chirps), 1.0-second (3 chirps), 1.2-second (4 chirps), 1.4-second (5 chirps), 1.6-second (6 chirps), 1.8-second (7 chirps), 2.0-second (8 chirps), 3.0-second (9 chirps), 4.0-second (10 chirps), 4 low check level for “engine checking tach” mode or ...

  • Page 15

    1. Press the button twice on the transmitter to start the vehicle. 2. If everything goes well, wait for 15 seconds: a. If the engine still running. I. Press the button twice on the transmitter to stop engine running. You have been completed this programming successfully. Ii. Press button on the tran...

  • Page 16

    Shutdown diagnostics the unit has the ability to report the cause of the last shutdown of the remote start system. 1. Turn the ignition 'switch to ‘on position. 2. Press the button on the transmitter. 3. The led will now report the last system shutdown by flashing for one minute in the following gro...

  • Page 17

    Installation requires the additional connection of a safety wire from the remote start device to the vehicle park/neutral ecm input or the vehicle key in sensor. This connection will prevent remote start operation if the key is left in the ignition switch regardless of the gear selector position. Pa...

  • Page 18

    D. Cut this wire and connect the ignition cylinder side to terminal 30 of a p&b vf45f11 or equivalent relay. 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 ...

  • Page 19

    Mega 250 install 19.

  • Page 20

    Mega 250 install 20