Using your Universal 2 - Pod Power Harness is easy. First, connect the main input to your 12V battery using the provided ring terminals. Then, plug your pods into the 2 Deutsch DT 2 - Pin female outputs. When using the switch, just turn it on and enjoy flicker - free lighting. Remember, always make sure the battery is disconnected before making any connections. For maintenance, check the wiring periodically for any signs of wear or damage. If you notice any issues with the relays or the switch, have them inspected by a professional. Keep the harness clean and dry to ensure its long - lasting performance.