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Car failed MOT today because indicators were flashing too fast. I'd put Orange LED bulds into the lexus lights, when replaced with conventional bulbs they passed. I beleive the problem is that flashcontroller is set-up for 2x21watt bulbs, and as LED bulbs had far less resitance, they had too much current sent to them. Can anyone with an auto-electrical knowledge come up with any ideas to increase resistance, and allow me to legally put the LEDs back? Im able to do the job myself, but my electrical knowledge doesn't extend to designing new systems.