hello people, can answer me maybe a question, wants to turn my flasher on duration operation but not to 21 watts but 10 watts or 5 watts, need a resistance to be operated for 10 or 5 watts, it’s a 12 volt system of my car two lock diodes I’ve already got from the friend, but he also won’t tell me any resistance worth knowing, maybe one of you knows?? would delight me if I got an answer! mfg Benjamin