I have the ep29 Flasher in. And it didn't do a damn thing without the resistors.
https://www.amazon.com/dp/B077D2N44N/ref=cm_sw_r_sms_awdo_t1_eH8CEb58KSY4K
And delta_p has the know-how and social skills, that's why I'm speaking with him about this.
I had hyper flashing, the relay took care...