One relay wiring harness set includes two 4-pin SPST relay module boxes, in-line safety fuse box, input +/- terminals, and H4/HB2/9003 input trigger and four 9006/HB4/9005/HB3 outputs for reliable and efficient electrical connections
The pre-wired dual SPST 4-pin electrical relay unit, complete with socket and rated at 12V DC with a maximum of 30-40AMP, is ideal for most heavy duty electronic devices, light applications between 9-16V DC, with a wattage not exceeding 320W
H4/9003/HB2 inptut trigger, with four sets of HB4/HB3 outputs, good for light applications with socket sizes of 9006/9012/HB4, 9005/HB3 H10 9145 9140 9055, etc
Perfect for power management, this relay harness is ideal for applications like front fog/driving lights and off-road lightbars, pod lamps drawing power directly from the battery to prevent excessive load on the vehicle's existing wiring system and ensuring safe, easy on/off operation
Installation tips: connect output contacts to up to 4 light applications/devices, attach red/black O-ring/C-ring to battery +/- or ACC/accessory 12V+/ground, connect the signal triggering wires to existing/factory adapter to trigger the on/off operation