Specification:
Socket Type: H4 9003 HB2 P43T
Voltages: DC12-24V
Use for: Headlight issue
Package included:2 x H4 9003 canbus wiring
When will you need a decoder?
If you have these phenomenons after the installation, then you need a pair of decoders.
1.While you turn on the light after installation, both of headlights are flickering or one side is flickering.
2.Dashboard error and show a “bulb out” signal.
3.The bulb still keep lighting for a while although you have turned off the light.
4.Lighting is every dimmed, not bright as normally.
5.Just one headlight work, the other one doesnt work.
6.All of the Wrangler before 1989 must need the LED CANBUS.