Installing Guide Line 1

This design is major for H4 type headlight.A rubber waterproof trap is on the back of the lamp.But some H1 and H7 type headlight use this design too.

Installing Guide Line 2

This design is applied with most H1 and H7 type headlight.A plastic waterproof is usually used on out part of the lamp.

Attention:You must make a hole on out part of the lamp with some tool.The hole diameter is about 22mm.Put the high voltage wire and common wire through it.And then,seal up the hole with the waterproof trap.Or water may flow into the lamp.