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Reply to "MTH- HOT HEADLIGHT MELTED CAB"

Marty Fitzhenry posted:

John, yes the 220 will work.   So will many others.   With Jason, time was spent to come up with that value I posted.  Bottom line, we have been doing this for years with not ONE issue.   

There is one reasonable explanation for a higher value.  If the lighting FET does fail and put full PV voltage on it, a 560 ohm resistor would not put unreasonable currents through the LED, and you'd be less likely to have it burn out as well.

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