Or I could buy 2 resistors from a local electronics store and make my own... But how many Ohms ? I ll have to find out myself by measuring the amps of the lamp and the led's, to see how much they consume ... I am correct ? So on your mod 21Watts div 12 Volts = 1.75 Amps for both . 12 Volts div 1.75 Amps = 6 KΩ, so 3 KΩ for each one of the led indicator.

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