Quick Overview Keep Tabs On The Health And Output Of Your Vehicles Electrical System Safely And Accurately With Autometers Ultra Precise Digital Stepper Motor Voltmeter. With Precise Resolution And Ultra Smooth Needle Movement, This Gauge Operates Anywhere From 8-18 Volts On Negative Ground Electrical Systems. A Direct Plug In Wiring Harnesses Included For Ease Of Installation. This specialty variant gauge is NASCAR approved, specifically designed to interpret the CANbus data stream provided by the McLaren ECU fitted to the fuel injected engines. Set custom alert High and Low points specific to your vehicle & receive full dial warning notification to highlight the need for driver attention Acquire data for later review with one-touch Peak Recall functionality Gauge kit includes wiring harness, mounting hardware, and detailed instructions for installation 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system 12 and 16 volt compatible Autometers Race Proven Digital Stepper Motor Electric Instruments Provide Unmatched Accuracy While Keeping Hazardous Fluids Outside Of The Vehicle The accuracy of digital stepper motor gauges is further increased by utilizing a self calibration sequence during power up Attributes: GTIN: 00046074147883 Brand Name: AutoMeter Add-On: 8156-05702;8152-05702;8142-05702;8163-05702;8161-05702;8199-05702 Extended Information: Country of Origin: United States Emissions : Released Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 4.75 x 4.5 x 4.5 inches Weight: 0.8 lb PDF: PDF: 2650-1595