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Idiot light circuit help

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Idiot light circuit help

Postby CrAzY_DrIveR » Tue Sep 24, 2013 10:00 am

Hi, i really like electronics but i don't understand anything about it so i need some help :)

My car had a idiot light for the oil pressure that switches off ground to the light when there is oil pressure and everything is ok, so when the engine is off the switch was on and so was the light as it normally should be.

My new engine has an inverted system that switches on ground when there is oil pressure.

So i need to turn off the light when ground is applied and turn on the light when ground is not present.

I found this circuit but i use a simulator (http://www.falstad.com/circuit/) it shows I=1.34A
is this normal?

http://home.comcast.net/~loudgpz/GPZ...reWarning.html

Is it possible to make a more simple circuit that does't use so much power?
CrAzY_DrIveR
 
Posts: 2
Joined: Tue Sep 24, 2013 9:48 am

Re: Idiot light circuit help

Postby pebe » Wed Sep 25, 2013 6:28 am

Your link does not work.
pebe
 
Posts: 1058
Joined: Tue Dec 09, 2003 11:12 pm
Location: Ellon, Scotland

Re: Idiot light circuit help

Postby CrAzY_DrIveR » Wed Sep 25, 2013 5:25 pm

sorry about that, i used a relay as transistors are too complicated for me.
now i have another problem so i'll open a new topic lol

[img]http://home.comcast.net/~loudgpz/GPZweb/OilPressLight.gif[/img]
CrAzY_DrIveR
 
Posts: 2
Joined: Tue Sep 24, 2013 9:48 am

Re: Idiot light circuit help

Postby pebe » Fri Sep 27, 2013 12:35 pm

The circuit is OK. You say you have 'another problem'. Is it the same question as your first post?
pebe
 
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Joined: Tue Dec 09, 2003 11:12 pm
Location: Ellon, Scotland


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