Isn't the flasher relay, (along w/ the micro fuse box)
still on the drivers side down on the left side of the dashboard behind the small door ?
If hyper flash is your only problem (as was mine),the special flasher you're talking about I got from JDM at Amazon. It was about $7. I also bought the best/ brightest bulbs I could find and
after installing the new flasher I tested a bad bulb and found out that burned out bulbs were still detected . The flashers are year/model specific of course, mine was a # 27bfor a 1999 . I'm very happy with the headlight, running/turn signal, back up bulbs and flasher I bought from this company. JDM makes bold claims regarding having the highest quality and the brightest bulbs yet they actually back them all up.
If you must install resistors...
I'd suggest that you use the
'plug & play type', so as not to damage any of your wiring.
I've seen more a few, (too many in fact) LED installs that ended up with lighting problems from tapping the resistors into stock wiring with havoc ensued .