Multiple Gauges Malfunctioning (Excluding Speedometer & Trip Odometer)

If multiple gauges are malfunctioning (excluding speedometer and trip odometer), check for the following and repair as necessary:

• Faulty power or ground circuits. See POWER SUPPLY & GROUND CIRCUIT CHECK  under SYSTEM TESTS.
• Faulty wiring. See WIRING DIAGRAMS  .
• Faulty unified meter.