Description & Operation
NOTE:
This article includes Cutaway and RV Cutaway.
WARNING:
Do not modify system configuration or components. Do not replace components with parts not specifically designed for use with natural gas. Natural gas components and gasoline fuel components are not interchangeable. Use of improper parts or materials could result in fire, personal injury or engine damage.
Instrument cluster contains a speedometer, odometer, fuel gauge, temperature gauge, oil pressure gauge and a voltmeter. Warning lights are located in instrument cluster face panel. See Fig 1. Intensity of illumination is controlled by rotating headlight switch knob, which controls output of pulse width module.
The gauges within the instrument cluster are not separately replaceable. The only serviceable parts within instrument cluster are illumination bulbs, indicator bulbs and cluster mask.
Fuel gauge inputs are received from Natural Gas Vehicle (NGV) module. If a problem occurs, NGV module will store Diagnostic Trouble Codes (DTCs) in memory. See SELF-DIAGNOSTIC SYSTEM .