turn on led @ 0V with 12v being off

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sl0thy

Member - Posts: 2

Joined: February 04, 2005

Location: United States

Posted: February 04, 2005 at 7:05 PM / IP Logged

Hi, I'm doing some custom stuff to my bike. The stock dash is being removed which has the low level fuel light on it. The low level light is off @12 volts (from signal wire), but when the fuelsending unit see its on reserve it drops to 0v on the signal wire and turns the led on in the dash. Is there a way to wire this up to a relay to turn on a led when the voltage goes to 0v.

hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: February 05, 2005 at 1:55 AM / IP Logged

turn on led @ 0V with 12v being off -- posted image.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: February 05, 2005 at 1:57 AM / IP Logged

OOPS Wrong Circuit Sorry

Here is the NEW ONE

You know the LED needs a Resistor on it.

turn on led @ 0V with 12v being off -- posted image.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

sl0thy

Member - Posts: 2

Joined: February 04, 2005

Location: United States

Posted: February 05, 2005 at 11:34 AM / IP Logged

thank you very much, ill try it out tonight

-brian

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turn on led @ 0V with 12v being off

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