If your motor has no speed sensor , please purchase one separately . It is better to use with speed sensor, don't directly connect the gauge to trigger coil. Here are two different size of speed sensor in our shop M16 and M18 , Please choose the right size.
The tach pick up it's signal from DC Generator, it could not work with alternator
Description
Feature:
-Fixing dimension: 85mm(3-3/8")
-Indicating Range: 0-8000RPM
-Speed Ratio: 0.5-250.0 adjustable
-Working Voltage: 12V/24V
- Red backlight
-Operation mode: LCD display, stepper motor
-Protection grade is IP67, the whole body is completely waterproof;
-Excellent anti-fogging function;
-316 Stainless steel bezel with curved glass;
Come with:
1x GPS Tachometer
1x Power cable
1x Installation Instruction