Collection of marine stereo wiring diagram. The memory yellow wire will pull current from the battery when the boat is not in usenot much but it will drain the battery after several weeks of non use.
An 0531 Radio Wiring Diagram For A Boat Schematic Wiring
Wiring a boat radio. Typically the switched power wire connects to the boats ignition so that when you turn the boat off the stereo will turn off. In general maximum current is 15 percent less in engine. This end plugs into the back of the stereo. Part 1 of 2. A wiring diagram is a simplified traditional photographic depiction of an electric circuit. How to install a radio without a wiring harness adapter duration.
Do it yourself bri 1594273 views. If youre running wiring through your boats engine room abyc standards assume the temperature is 122f 50c. Its pretty standard in boat wiring to bypass the main battery switch for one thing. The yellow one is the positive power wire and it connects to the positive terminal on your battery. This way even if your battery switch is off if your boat starts filling with water the pump will still kick on. The back of a wiring panel can look pretty daunting but remember youre only troubleshooting one circuit at a time.
After many decades of troubleshooting and repairing boat wiring issues ive become pretty darn good at figuring things out. Ultimately the ground wire connects to the negative terminal on your battery. These wires all need to be connected to the boats systems. Every new stereo comes with what is called a wiring harness like this. Wiring a stereo in a boat. Video 2 will explain adding an amp if applicable wire the red and yellow into the boats positive lead if your boat does not have accessory function and then your gonna have to make.
In this video i show the basic steps on how to install a radio on a boat. For the last several weeks i have been chasing a problem that has been causing me to lose sleep at night. For people just getting into boating or for those who have been boating for a while but have managed to avoid the electrical side of things the 12 volt dc direct current systems aboard most boats dont have to be daunting. Todays boat wiring is one of the most difficult problems youll run across due to requirements of the numerous accessories. The red one is a switched power wire. The boats bilge pump float switch.
It shows the elements of the circuit as simplified shapes as well as the power and signal links between the gadgets. If youre planning a circuit with 6 awg wire size it can safely carry 80 amps outside the engine room but only 464 amps in the hotter engine room environment. I always install an inline switch to kill all power to the stereo when the boat will not be used for several weeks. Id rather have a dead battery than a swamped boat. The harness makes it easier to splice all the wires without the stereo connected and getting in your way.
Gallery of Wiring A Boat Radio
