Product Review

MICTUNING 12V 5-Prong Waterproof Relays Harness - A Must For Any High Current Applications
The automotive relay is an electronic control device, usually used in an automatic control circuit. It is in fact an "automatic switch" that controls a large current through a small current.
Relays allow the use of a lower amp switch to turn on or control a component with a higher amp draw, such as amplifiers, cooling fans, water pumps, lighting, and many other devices.

Wide Application:
Waterproof Relay Harness Set suits for all automobiles and devices equipped with a 12 Volt DC power source.
Used in led work light, fog lamps, starter, wiper, fans, speakers, central locking, alarm, electric windows, etc.

Instruction of Waterproof Relays Harness:
85: Connected to the ground chassis
86: Connected to a positive input 12V DC input
87a: Normally closed contact, also known as NC
87: Normally open contact, also known as NO
30: Common contact which can be connected to a 12V DC power input or to the ground chassis depending on the desired application

Product Content:
5 x 5-PIN SPDT Waterproof Relay and harness