Would this work? - Team Camaro Tech
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post #1 of 3 (permalink) Old Oct 4th, 05, 11:04 PM Thread Starter
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Would this work?

I have been having some problems with the temp sensor that came with my Zirgo electric fan.. It is the one with the adjustable dial. The thing seems to have a mind of its own and comes on and off when ever it wants so I temporaily just hard wired the fan so it would stay on. I know that this is not an Ideal fix just a temp one. Here is an Idea that I had to try to fix it.. Zirgo offers a simple temp sensor that plugs into the head to switch the fan on at 190 and turn it off at 180 the only problem is they want $50 for it... Having worked at a auto parts store I know that these sensors can be had for cheap.. So thought about trying to get one for a early model truck and use that one.. It's only $6 for the sensor.. My question is would this work? and how would I find out how to tell when it turns on and off.... I was thinking of one for a 95' 1500 series with a 350. Any suggestions?

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post #2 of 3 (permalink) Old Oct 5th, 05, 04:46 AM
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Re: Would this work?

If the aftermarket sensor screws into the head, try it. Just be sure the body of the sensor has good conductivity to the cylinder head.

This is where the sensor gets its ground, through the body & threads.

How will you know when it turns on and off? By watching the gauge. Its not an exact science, nothing will work perfectly, as long as it stays under 200*F, I would not worry about.

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post #3 of 3 (permalink) Old Oct 5th, 05, 06:13 PM
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Re: Would this work?

Make sure the sensor you have is well grounded. Sometimes too much thread tape or goop can make them flaky. I'd use a volt meter to measure the voltage between the sensor body and block when it's hot.

Whatever sensor you use (and I'm sure many will work), be sure to use a relay for the fan. The sensor is not meant to handle the current required by the fan.

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