Don't bother with resistors, and just buy Canbus Compatible Leds. This will keep bulb burnt out messages/indicators from coming on if you have them. If not, then don't worry about it at all.
For your hyperflash, do you have a mechanical flasher relay? Rockauto says you do. Tridon sells an EP27 electronic LED flasher relay that should cure your hyperflash.
Edited by mechjames (08/10/17 11:26 AM)
86 Mustang 5.0L 170km - Amsoil XL 5w30 / Baldwin B2-HPG
14 Ram 1500 5.7 - Amsoil XL 5w20 / Baldwin B7443
98 Jeep ZJ 5.9 - Amsoil OE 10w30 / Baldwin B34