This tacho must be hooked up to the "W" terminal on vehicle alternator. Many diesel engines and most inboard gas boat engine alternator have this connection. It can also be working with tachometer sender. For details, see individual gauge description at link below. Oil Pressure: 10184ohms, 0-145 PSI.
Fuel Level: 240-30 ohms, E - F. Water Temperature: 287.4-22.4 ohms, 100-250F.
Fuel Level Sender:240-30 ohms, 6-1/2. We can DIY the length per your needs, but it will charge you extra funds if you need longer than 6.5inch, Send us a message before you paid. Attention: A minimum 1"clearance must be maintained between the tank bottom and the float retaining collar in a plastic tank and 1/2"clearance in a rigid metal tank. Senders can be used with all gauges brands that have compatible ohms. Water Temperature Sender:287.4-22.4 ohms 100-250F.
Oil Pressure Sender:10184ohms, 0-145PSI. All messages be reply within 24hours.
Welcome for wholesales trading, thank you! 6 Gauge set, Speedometer, Tachometer, Fuel Level, Water Temperature, Volt meter, oil pressure, Red LED, White Specification: Fit For:Car, Truck, Motorcycle , ATV, UTV , Marine, Boat, Yacht Face Color:White Bezel Materials:Stainless Steel Grade of protection :IP67 Package method :Neutral box Speedometer and tachometer: Operating Voltage:9-32VDC Operating Current:=100mA Operating Temperature:-30+75?The item "6 Gauge set with senders, Speedo, Tacho, Fuel, Water Temperature, Volt, Oil Pressure" is in sale since Wednesday, June 13, 2018. This item is in the category "Vehicle Parts & Accessories\Car Parts\Gauges, Dials & Instruments\Instrument Clusters". The seller is "doingbusiness14" and is located in Guang Dong. This item can be shipped worldwide.