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hi everyone

anyone know how?
i heard after install relay the lamp will get brighter..

what value for the relay should i use?
(i dono how many volt i should use. from my experience, if use volt value too high, then maybe the electric wont able to 'switch on' the relay, if use too low voltage value, then will damage it)


anyone got wiring guide to install relay to headlamp?
(is it original electric to headlamp wire to relay, to switch it on/off, then when the relay is turn on, the headlamp...