If these flashers aren't heavy enough to make the springs sag, these could turn into indicator lights. I'll have to find some which just flash red:They certainly look interesting

12V-85V Car Flashing Emergency Warning LED Strobe Lights Flasher Red Blue | eBay
Mode: Constant + Strobe. 1 Piece LED Strobe Light (2 Bulbs). Can be installed At any position in electric car, motorcycle, atv, cars, etc. as running lights, fog lights, brake lights, warning lights, and decorative light.
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