They are terminals applied to motorcycle ignition coils, their function is Connect the coil to the spark plugs. They have an internal resistance to reduce interference generated by the ignition system. They are made with rubber gloves or sealing body that prevent water infiltration and misfires on rainy days.
colored terminals:
They have the same function as the suppressive terminal, but with a great differential, their blue, yellow or red colors allow the customization of your motorcycle, they are not made of high quality materials and replace the LD05FP and VD05FMH terminals.