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4 replies to this topic

#1 fuse


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Posted 03 July 2007 - 11:56 PM

Hello This is going to be strange its about cars but Im sure you all know about condensers. I have a 5V senser that I am geting a voltage spike out of and it is confusing my cars computer can i just put a condenser in the wire to help with the voltage spike?

Any respnce will be greatly apresiated.

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#2 MaraM


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Posted 04 July 2007 - 01:30 PM

I'm afraid I can't be of help personally, fuse, but perhaps if the question is posted in the 'Car' thread, one of the members may be able to help.

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#3 garmanma


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Posted 04 July 2007 - 04:19 PM

Won't the condenser store the excess voltage? Where's it going to go or discharge? I think what you need to add is a buffer circuit
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#4 ddeerrff



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Posted 04 July 2007 - 10:46 PM

You'd need to be a bit more specific about exactly what the issue is. What is the sensor, what/how is it connected, ect.

"Condenser" is a archaic term. It used to be a synomym for capacitor, but as used in a kettering ignition system is a series combination of capacitor and resistor. 'That' particular condenser has a specific capacitance and resistance to allow it to function properly (as a snubbing network) with the ignition coils inductance - it's not a general purpose part.

Again, depending on your specific application, a capacitor across your sensors output may or may not solve the problem you are having.

#5 BlackSpyder


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Posted 04 July 2007 - 11:24 PM

What kind of sensor is it (ABS, Ignition timing, Cam timing, or something else)? Different sensors do different things and do and require different fixes. But it sounds like you have a short somewhere in your wiring harness (hard to tell from my house though) :thumbsup:

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