getting vehicle started info

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chuckycharms

Member - Posts: 5

Joined: January 24, 2010

Posted: January 29, 2010 at 10:19 AM / IP Logged

Hey all,

I have a scytec galaxy 2000 installed in my 05 Nissan Titan. Im just tinkering around with putting a linux box on the truck to do some 'random' things. I have a sensor on my linux box that waits for a voltage spike to signal a program to initiate.

What I would like to know is what is the best way to know when a car has been started, and be able to feed that into this sensor. Any thoughts would be awesome!

oldspark

Gold - Posts: 4,913

Joined: November 03, 2008

Location: Australia

Posted: January 31, 2010 at 2:54 AM / IP Logged

Charge lamp circuit. Goes to +12V when charging.

chuckycharms

Member - Posts: 5

Joined: January 24, 2010

Posted: February 16, 2010 at 12:03 PM / IP Logged

Hey Thanks!!

Would you have any suggestions as to a way to find this on most vehicles?

oldspark

Gold - Posts: 4,913

Joined: November 03, 2008

Location: Australia

Posted: February 16, 2010 at 3:40 PM / IP Logged

The D+ or L wire from the voltage regulator - ie, alternator.

It should go to the ground of the dash's charge bulb - maybe via a diode, and maybe via other diodes to other dash lamps (eg - brake fault) (all diodes being in the dash) - or it could power a relay etc.

Hence stick with the alternator end...

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getting vehicle started info

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