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Product # 2259

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Feature Points

  • Sensor Body Material - Brass
  • Thread size - 1/8 in. NPTF
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Is the connector stud a #8 thread? Can I push on a 90 degree Ford pigtail? Thx!

Asked by: John13300
Thank you for your question. We do not have vehicle specific information so I do not know if that ford plug will work. The wire stud on the back of the sensor is 10-32 UNF thread.
Answered by: Zach from AutoMeter
Date published: 2019-06-13

I purchased and installed kit #2552. I want an additional sender/sensor to monitor temp after the cooler that will work with the same gauge as in the kit. Will the short #2259 or longer #2258 both work/be accurate with the gauge supplied in the kit?

Asked by: Bruce
I'm not sure the question asked relates to wiring 2 senders together it's probably to use on a switch going from the senders to control which sender is being read.I have done this many times using a sender in the pan by threading the aftermarket pan and placing the other in the line by using a -8 tee with 1/8" port for the other sender.both versions had to be grounded to work correctly but they are within 2 degrees of what they are checking and it gives you a very good idea how efficient your cooler is, I changed my coolers in response to the monitoring of the 2 senders.be careful to properly ground any sender,some areas do not give proper grounding and yes you should do a 2 sender set up just make sure not to wire them together and place them on a switch that reads either sender by it's position,good luck and good thinking it will definitely help you with finding how efficient your cooling system is working.
Answered by: Murphco
Date published: 2019-04-18

will this short sensor (2259) work for an inline remote mount oil filter/cooler setup? the full length sensor blocks about 1/3 of a -10an oil line when installed.

Asked by: LS-240
Thank you for your question. Yes, this sensor can be used in place of the 2258 for your application.
Answered by: Zach from AutoMeter
Date published: 2019-02-12

Will this fit an 03'F550 7.3 powerstroke in the transmission test port

Asked by: La Tortuga
Thank you for your question. #2259 has a 1/8"NPT male thread on it. If your '03 F550 has an 1/8"NPT thread fitting on the transmission test port, you could certainly use this sensor. If not, you would need to get an adapter fitting to match your thread.
Answered by: Zach from AutoMeter
Date published: 2018-10-23

Will this sensor work with gauge 4357 trans temp gauge by chance??

Asked by: Cummins419
I believe it will, but the sender you are looking at is a shallow depth type: mostly used for in the transmission pan bang to operate. If you do go with this sender in a pan bung, I recommend making a grounding strap for this sender with a 1/4" hose clamp, some solder, and a long ground wire to ground the sensor. The bung and or the npt adapter does not ground this sensor very well.
Answered by: Dan M.
Date published: 2019-03-22

When installing the NPT fitting and sensor in the manifold is teflon tape or any other type of sealant recommended/required?

Asked by: 1959 GMC
Thank you so much for contacting us. You DEFINITELY do not want to use teflon tape. It will impede the sending unit's path to ground and cause the gauge to read low or not at all. The sending unit is brass and the thread is tapered. It should seal up perfectly without any leaks. If you're still concerned, you can use a tiny dab of liquid thread sealant. Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2019-08-09

My gauge is reading 175 degrees; when I disconnect the wire from the sender it reads about 335 ohms, is this correct for that temperature? I have a 1737 short sweep gauge that reads from 100-250 degrees

Asked by: 1959 GMC
Thank you so much for contacting us. Not totally sure I follow you, but if the actual temperature is 175˚ the sensor should be showing around 230 ohms resistance to ground. A 335 ohm reading would suggest a temperature of around 155 - 160 or so. The higher the temp gets, the lower the resistance the sender outputs. If you're using teflon tape on your sender, it will increase resistance to ground and cause your gauge to read low or not at all. If the gauge lacks an adequate ground or is sharing a ground with the gauge lighting circuit, the gauge will likely read high. Finally, if you're attempting to use an infrared gun as a diagnostic tool for a temp gauge, you should anticipate it reading at least 10 - 15% lower than the gauge as it only measures surface temp, not internal fluid temp. Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2018-05-14

Can I please ask what the Ohm's range of this sender unit? Rodney

Asked by: Rodney
Hi Rodney, thank you for contacting us. A general overall range is 1123 ohms (+/- 102) at 100 degrees F to 65 ohms (+/- 4) at 250 degrees F. If you need additional temperature points, hit the Chat link at the top of the page or you can email us here: http://www.autometer.com/resources/index/ask_a_question
Answered by: Matt from AutoMeter
Date published: 2018-01-24
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