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A high water temp can be detrimental to an engine. Heat is the enemy of performance and reliability. Keep tabs on your temps with the most trusted water temperature gauge on the market. AutoMeter’s advanced 1/8” NPT temperature transducer is included for a simple installation on any application.
- ADDITIONAL NOTES
- Modern white LED through-the-dial lighting provides clear visibility during nighttime use
- 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system
- Gauge kit includes 1/8” NPT temperature sender, 3/8” and 1/2" NPT adapters, mounting hardware, and detailed instructions for installation
- AutoMeter’s race proven air-core electric instruments provide quick and accurate readings while keeping hazardous fluids outside of the vehicle
- SHIPPED WITH
- 3/8" NPT and 1/2" NPT adapter fittings
I have American Muscle (short sweep) gauges in my car. My water temp gauge is showing 230 - 250 but I'm only getting a reading of 180 - 210 with an infrared tester. I have sender # 2259 but your website shows needing #2258. Might this be the problem?Hi Carl, thank you so much for contacting us. The 2259 is completely interchangeable with the 2258, so no issues there. Your infrared gun is only measuring surface temp which tends to be between 10%-20% lower than the actual fluid temp that your gauge is reading. It is not a reliable indication of the accuracy of a gauge. The first thing I'd look at is the ground for the gauge itself. A temp gauge reads over a very wide resistance scale and references that ground when it measures. Any additional resistance or interference to ground will cause the gauge to read erroneously high. Also, we separate out the ground circuit for the gauge and the gauge lights for a reason. If they are tied together your gauge will almost definitely read high. To test, take the ground wire from the gauge itself and connect it to a good engine or chassis ground. Do not use anything inside the cabin, don't share the ground with other consumers and definitely don't connect it to the battery. Chances are the issue goes away, though the spread isn't far from what I'd personally expect to see between a temp gauge and an IR gun. For more info on this, check out this article we wrote: https://www.autometer.com/resources/index/faq_view/id/11 Hope this helps!Date published: 2018-10-25
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