LED brake/tail lamps will not flash with stock flasher units due to their extremely low current draw, the turn signals may flash faster than normal ( called “Hyper-Flash”). These installations will require an electronic flasher unit. Try to find flashers designed to work with LED bulbs, they will say “LED compatible”. Often HEAVY DUTY flashers will also work with LED bulbs.
We offer some LED Flashers(Relay) in our Tail/Brake Turn Signal Bulb category but we are sorry we do not have any cross reference sheet to know which one (if any) will fit your vehicle. You have to compare the pin-out of your flasher with the pin-outs of the flashers we offer before you change.
Another solution is the installation of Load Resistors which are wired across (in parallel with) the turn signal bulbs to simulate the load of a standard filament bulb. Currently we provides 2 versions in 50W 6OHM and 25W 10OHM respectively, both are most popular used in the market, also please be informed this is not produced by ourselves, users have to know which version fit your car by yourselves.