4-Pin 30A 12V Horn Relay + 4-Pin Pre-wired Relay Plug + Horn Switch Kit for Car Train Truck Air Horns 12V Vehicles - Ineedup, 108105-5208-1126151823

• Package includes 1 pcs 4-Pin 30A 12V horn relay, 1 pcs 4-Pin pre-wired relay plug, and 1 pcs horn switch. With four visibly marked blade terminals, this relay can be used with horns, compressors, power trunks, and so on (up to 30A). The pre-wired relay plug, which has each of the 4 wires color-coded for an easy installation without the use of any special tools. A universal momentary horn button switch that can be used with any brand or model horn that requires a switch for activation. Made of the black durable plastic waterproof case, ensures good bending performance, and excellent electrical conductivity.