Regal 3300 Owner's Manual page 248

CHAPTER 8
Boats equipped with optional EVC/DTS systems have electronic
gauges, throttle/shift and/or steering. If you experience a problem,
shut down the engines and turn battery switches off. Wait 30
seconds and restart engines. If the problem persists, contact your
Regal dealer or certified marine technician.
INSTRUMENT DIAGNOSTIC CHART
PROBLEM
No reading on gauge
or gauge reads wrong
Gauge reads erratic
8-2
POSSIBLE CAUSE
Faulty gauge
Wiring to gauge faulty
Faulty sender
Loose ground or hot
wire
https://www.boat-manuals.com/
POSSIBLE FIX
Replace gauge
Inspect/repair wiring
Replace sender
Repair or replace wire
and/or connection