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ContinuousWave: Small Boat Electrical
Connecting Gauge Lights
|Author||Topic: Connecting Gauge Lights|
posted 05-25-2006 12:34 PM ET (US)
Some of my gauges have backlighting but I unsure how to connect. They all seem to have just one brown wire. Is this the hot wire for the light and the ground is shared by the gauge's primary function wire (black)? In other words the gauges all have 3 wires (Red & Black and Brown). Also, can I connect all these gauge lights to one master switch. Thanks in advance for any help.
posted 05-25-2006 09:06 PM ET (US)
The lamps for gauge illumination are usually wired in parallel and connected to a single switch. Often the compass illuminatioin is also controlled by this switch. The lamp circuit does not have a separate return; it uses a common return in the instrument wiring.
According to the usual color code, the gauge illumination circuit is normally wired with wire having insulation of BLUE color.
Wire with BROWN insulation is normally used to control PUMPS.
posted 05-30-2006 12:06 AM ET (US)
Wow, learn something everyday. Thanks, jim. Can you direct me to an area to find this color code? I'm assuming we're talking marine color code.
posted 05-30-2006 12:12 AM ET (US)
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