Maybe a bulb is getting near failure.
The old flashers used a bimetal strip heated by current drawn by the
bulbs,and when a bulb opened,the rest on that branch would flash slower or
just stay on.Too bright a bulb(or adding a trailer's lights),and they would
flash faster(thus the need for a HD flasher).
Maybe a bulb filament has broken,and reconnected but is now slightly
shorter,and burns hotter.(and uses more current)
Try putting new bulbs in.
I don't know enough about Honda flasher modules to know how they work.
i caught the problem. i bought the car last year and someone didn't turn the
plastic light socket fully into the tail light lense and some moisture was
getting to it and cause minor corrosion. i sprayed a little wd-40 in the
socket and put a new bulb in it and problem solved. thanks for the advice.
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