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Longacre AccuTech Stepper Motor 2-5/8" Mechanical Racing Gauge w/ Built-In Warning Lights
Uses a small electronic motor that only turns a tiny fraction of a rotation to drive the pointer. It is electronically controlled and is much more precise than the traditional mechanical instruments. Approved for use by IMCA™. Lightweight molded polycarbonate / ABS case (virtually unbreakable). Electronic sensor (included) is installed on the motor to drive the gauge - no oil or fuel in the driver's compartment for safety. Thru-the-dial LED back lights and an illuminated pointer make these easy to read at any speed. Quick & simple to install - Connect power to one gauge and 'daisy chain' the others to it (wiring included). Connect the sensory wire and you're done. Can be used with 12 or 16 volt negative ground systems with or without an alternator.
Built-In Warning Lights - Ultra Bright 2 Stage LED
Set points are easily adjusted to your needs (critical oil pressure has 3 set points). For example, set water temp just above normal running temp. Above that, the LED comes on to let you know the motor is starting to get warm. Set the second on at the max temp your engine can tolerate. At this point the LED flashes to attract your attention, possibly saving motor damage.
Oil pressure is so critical it has 3 set points. You can set the first just below normal running pressure (say normal is 60 psi - set it at 50 psi - no damage there). At this point the LED comes on. Set the second at 35 psi. The LED flashes - you need to know here, possible damage. Set the third at 20 psi. Engine damage is likely here. At this third set point, the LED flashes to attract your attention, possibly saving motor damage.
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