a complete newb with wiring
Printed From: the12volt.com
Forum Name: Lights, Neon, LEDs, HIDs
Forum Discription: Under Car Lighting, Strobe Lights, Fog Lights, Headlights, HIDs, DRL, Tail Lights, Brake Lights, Dashboard Lights, WigWag, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=114122
Printed Date: May 15, 2024 at 9:51 PM
Topic: a complete newb with wiring
Posted By: double-j
Subject: a complete newb with wiring
Date Posted: May 30, 2009 at 10:37 PM
before I start I am very new to this and have researched but just become more confused... I'm wanting to do a few thing.
1)I have compressors in my truck and want remote LED's to turn on when the compressors turn on (so I know twhen they are running)
2) I have a solenoid from the air tank that control my train horns, I want to hook up a push button switch, and when I hit the button I want to see another LED light up
There is a few other things I want to do with rocker switches as well but I think answering these two questions will help.
Basically My rockers are going to be in a remote rockers are going to be in my glove box and I would like to run my indicator LED's somwhere on the dash board.
I truly appreciate all the help!!!
J.J.
Replies:
Posted By: tj.poorman
Date Posted: June 04, 2009 at 6:26 PM
Do you already have a switch for the horns?
Posted By: double-j
Date Posted: June 05, 2009 at 7:24 AM
No I don't, I'm looking for a momentary hand grip one where you push it in with your thumb, like a grip.
Posted By: tj.poorman
Date Posted: June 10, 2009 at 5:04 AM
This should work for your second question.
For your first question you will need to locate a wire that is energized only while the pump is on.
Posted By: i am an idiot
Date Posted: June 10, 2009 at 5:49 AM
The led will not allow enough current for the solenoid to engage. The positive leg of the LED needs to be connected to the same side of the switch as the solenoid. If it is a 12Volt Led, simply ground the other leg of it. If it is a voltage other than 12V you will need to insert a 470 ohm resistor between the negative lead and ground. I will draw a pic this evening if needed.
Posted By: tj.poorman
Date Posted: June 10, 2009 at 12:55 PM
right my bad... it was really early. lol
Posted By: i am an idiot
Date Posted: June 10, 2009 at 2:45 PM
The picture has been modified and now shows a 12 volt LED that is connected to the cold side of the switch and the other side of the LED is grounded directly to ground. The other LED is a non 12 volt led. A resistor will be required. Just to be safe use a 1K resistor. 
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