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There are apparently some 1157 switchback LED bulbs with built-in resistors, that would be the easiest, but I’d worry about all that heat degrading the LEDs or circuitry. Might be fine though.I’ve modified two flasher relays, but wouldn’t do that again- a huge pain to find it, a huger pain to remove it, and a pain to modify it.The add-on resistor to eliminate hyperflashing goes in parallel with the new led bulb, so the car sees the same current used by normal incandescent bulbs. They have to be big to dissipate the heat- think about how hot the original bulbs get.[URL unfurl="true"]https://www.amazon.com/AIRKOUL-Resistor-Fix-Hyper-Flash-Signal/dp/B08PBQPTXT[/URL]
There are apparently some 1157 switchback LED bulbs with built-in resistors, that would be the easiest, but I’d worry about all that heat degrading the LEDs or circuitry. Might be fine though.
I’ve modified two flasher relays, but wouldn’t do that again- a huge pain to find it, a huger pain to remove it, and a pain to modify it.
The add-on resistor to eliminate hyperflashing goes in parallel with the new led bulb, so the car sees the same current used by normal incandescent bulbs. They have to be big to dissipate the heat- think about how hot the original bulbs get.
[URL unfurl="true"]https://www.amazon.com/AIRKOUL-Resistor-Fix-Hyper-Flash-Signal/dp/B08PBQPTXT[/URL]