Power Problems

Blueice13085
Blueice13085 used Ask the Experts™
on
I have a switch when i turn the switch on it reads 12+ volts. When i turn the switch off it reads 1 to 2 volts. what i need is when its on volts needs to be >.4 volts and when the switch is off it needs to be <.2 volts.
Comment
Watch Question

Do more with

Expert Office
EXPERT OFFICE® is a registered trademark of EXPERTS EXCHANGE®
We need more information.  

What kind of switch is it?  A mechanical toggle switch or a solid state device?

Switches are not ON and OFF,  they are OPEN and CLOSED.  

What sort of device are you trying to control?  A diagram would help enormously.
You have stated 12V when on ( or open) thus I am led to think that this is a DC 12V automotive mechanical switch.
More detailed infomation shall help to answer correctly.
With the given infomation I can comment the following:
A mechanical switch, unless faulty should not supply any power (0 volts / 0 amps) when off ( or closed)
You must have either a faulty switch / faulty tester or faulty method of testing / or a short circuit during the test.  

This link should help to explain how switches work:
http://www.bcae1.com/switches.htm
I agree with Michael-Best. The voltage on that switch should be zero or the total voltage running into it. It sounds like you need a potentiometer that works like a volume switch or dimmer switch that provides a different levels of power or possible a switch with a resister in it that provides a lowered amount of voltage constantly when 12 volts are being fed in.

I'd check with your parts store or an electronics parts store.

Do more with

Expert Office
Submit tech questions to Ask the Experts™ at any time to receive solutions, advice, and new ideas from leading industry professionals.

Start 7-Day Free Trial