1. Disconnect all power(AC& DC)Disconnect positive cables from all batteries and AC.shore power cord from the yacht.2. Cut opening for mounting location.Using the mounting dimensions provided to measure and cut out the mounting hole in the.surface where the panel is to be mounted. 3. Connect Positive and Lamp negative feed wire.Connect the DC.power source(the batteries) to the screw terminal from the LED. Then connect the LED negative wire (black) to a DC negative bus bar. 4. Connect the LED positive wire and devices.Connect the LED positive wire (red) to screw terminal near the LED. Connect the device or distribution panels to the same screw terminal. 5. Mount the switch panel.Clean the surface where the panel is to be mounted carefully. Place the panel and screw down the panel to the mounting surface as tight as possible with self-tapping screws.6. Reconnect and Test.Reconnect all the AC& DC powers to supply power to the panel. Turn on and off all branch circuits to check if the panel works normally. Switch Ratings: DC 12V Panel Rating: 10 A Product Dimensions: (W x H) 69 x 69mm Colour: Black Material: nylon + metal Package Contents: 1* Ignition Switch Panel 2* key Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!