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Avital Tornado 2 LED Indicator


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r___r 
Member - Posts: 3
Member spacespace
Joined: February 18, 2018
Location: California, United States
Posted: February 18, 2018 at 10:35 PM / IP Logged Link to Post Post Reply Quote r___r
Hello,
I've had the Avital Tornado 2 installed in my F350 for several years, now. It's sufficient for my needs, but, I have a question regarding the LED Indicator.
Avital Tornado 2 LED Indicator -- posted image.
How many volts activates the LED Indicator?
How many amps does the LED Indicator draw?
Can multiple LED Indicators be installed in series and/or parallel(2, 3, or 4)?
Thanks,
Rich
howie ll 
Pot Metal - Posts: 16,466
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Joined: January 09, 2007
Location: United Kingdom
Posted: February 19, 2018 at 11:25 AM / IP Logged Link to Post Post Reply Quote howie ll
2.5 volts,
Around 10 milliamps,
Up to 4 in parallel.
r___r 
Member - Posts: 3
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Joined: February 18, 2018
Location: California, United States
Posted: February 20, 2018 at 11:07 PM / IP Logged Link to Post Post Reply Quote r___r
When adding more LEDs to the original one, will it cause an issue with the alarm brain?
I'm guessing that resistors need to be added? 250 ohm?
Rich
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: February 21, 2018 at 12:23 AM / IP Logged Link to Post Post Reply Quote howie ll
You shoud be able to run 4 without grief after that relay or series/parallel wiring but no resistors you'll burn out the brain.
eguru 
Copper - Posts: 340
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Joined: February 04, 2018
Location: Quebec, Canada
Posted: February 21, 2018 at 7:51 AM / IP Logged Link to Post Post Reply Quote eguru
To properly answer the questions about how many LEDs (if any) can be added, you need to make some measurements to determine how the Avital is driving the existing LED.
Disconnect the existing LED and measure the voltage from the driving pins.
Reconnect the LED and measure the voltage again.
If there is insignificant difference in the readings, then there is no internal current limiting resistor and you should be able to add a few external LEDs in parallel (as long as they have current limiting resistors).
If there was more than 2V difference, the current limiting is within the Avital. You could add one LED (without additional current limiting resistor) in series with the existing LED if the open circuit voltage was 12V.
r___r 
Member - Posts: 3
Member spacespace
Joined: February 18, 2018
Location: California, United States
Posted: February 23, 2018 at 9:31 PM / IP Logged Link to Post Post Reply Quote r___r
When I get some time, I'll check some voltages.
Thanks for the info.
Rich

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