2-5/8" Ford GT Water Temperature Gauge

SKU: GT2-104
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$262.35 USD
Tracks coolant temperature in the 2005–2006 Ford GT through a direct plug-n-play connection to the factory wiring harness. Built-in warning LED gives you a visual alert when temperatures move into trouble territory. Precision stepper motor delivers smooth, stable, and accurate readings.
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Order leaves our facility in about 2 Weeks
Warning: Not compatible with all vehicles. Fits the factory aluminum dash insert or Speedhut Ford GT dash insert. Dash insert sold separately.

Ford GT Water Temperature Gauge is designed specifically for the 2005–2006 Ford GT, giving you a clean, purpose-built temperature upgrade that works directly with the factory wiring harness. The plug-n-play design requires no additional sensors or wiring, helping keep installation simple while delivering accurate coolant temperature data and a more refined finished result. A built-in warning LED adds another layer of protection by giving you a clear visual alert if trouble occurs. A precision stepper motor keeps the needle smooth and steady—no bounce, no guesswork. Built with a durable housing and solid aluminum bezel, it’s made for real driving conditions and long-term use. Made in the USA and backed for life.

Track-Tested. USA-Built. Backed for Life.

Key Features:

  • Ford GT-Specific Fitment — designed for 2005–2006 Ford GT applications
  • Plug-N-Play Wiring — connects directly to the factory wiring harness
  • No Extra Sensors Required — no additional wiring or sensor setup needed
  • Built-In Warning LED — visual alert if temperature trouble occurs
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer movement
  • Made in the USA — backed by a lifetime warranty
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Built to last. Backed for life.
  • Lifetime warranty on internal circuit board electronics
  • 5-year coverage on sensors and wiring
  • Applies to gauges purchased since Jan. 1, 2006

Every Speedhut gauge includes a lifetime warranty* on the electronic circuit board inside the gauge case. It is the core of the gauge — the part responsible for the precision communication that delivers the accuracy and performance Speedhut is known for.

Sensors, wiring, and other external components are covered by an unlimited 5-year warranty.

This combined lifetime / 5-year warranty applies to the original purchaser.
*For your lifetime — as long as you own the gauge — we stand behind it.
Speedhut Inc warrants products to be free from defects in materials or workmanship. This warranty is limited to repair or replacement. Speedhut Inc is not responsible for incidental or consequential damages. Improper use, installation, or unauthorized modifications void this warranty.

If you have just installed the gauge, ensure you are using the sensor provided as other sensors will not work. 

If the gauge does not sweep on startup, it is not getting power. Verify the red, white, black power harness is connected properly.

If it sweeps but is not reading at all, ensure the signal harness is connected and pressed in firmly on both sides.

If it's still not working, test the signal harness for continuity with a multimeter. If you have both probes on the metal terminal and it reads "OL" or 0 ohms, the harness is bad.  Call or email us to get a replacement harness. You can put paperclips in the harness connector if needed to get a good contact point.

If the harness is testing good, the next step is to measure ohms coming from the sensor while it is warm. Refer to the chart below, if the ohm reading is close to 0 or it's an OL, you need a new sensor. We recommend reading the ohms at the gauge side to verify it is getting to the gauge.

Temp Sensor Resistance Chart
Temp CTemp FResistance
(Ohms)
60140238
65.55150199
71.11160168
76.66170144
82.22180125
87.77190108
93.3320094
98.8821082
104.4422071
11023061
115.5524051
121.1125043
126.6626036
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