Caubus Resistor 1156 P21W PY21W T20 7440 7443 LED Turn Signal Day reverse Brake Fog lights Load Error Free No Flickering DecoderProduct 1) 1156 P21W PY21W T20 7440 7443 Load Resistor for Auto LED lighting lamp2) Fix blinker flash error, hyper or error flashing of LED turn signal, parking / driving running light or license plate light3) It works as warning canceller, decoder, capacitor, or blinker rapid Flash Equalizer for LED light bulb such as 1156, 1157, 3156, 3157, 7440, 7443 ,H1,H3,H4,H7 ,H8 ,H11,9005 HB3,9006,HB4 or etc.4) Size: ~375mm total length from end to end.Main Feature:1) They connect across the Turn Signal / Parking Running, Brake Tail stop light to simulate the current load of a regular filament bulb / 25W 50W(~2 Amp load); 1156 BA15S P21W BAU15S PY21W T20 7440 7443 ( ~1Amp load ).2) To solve the problems such as hyper / error flashing, no flashing or burnt out bulb indication / error message of aftermarket installed LED lighting lamp bulb3) One load resistor is required for each turn signal bulb / circuit equipped with LED lightingNote:1. Do not touch other heat sources when installing this decoder, otherwise the decoder may dissolve2. This decoder cannot guarantee 100% decoding