What wattage of resistors to use?

Question

Hopefully this isn't a stupid question, but I've never used resistors in other projects before.

Guide #16631 calls for a 2.4 K ohm resistor for the (-) Parking Light trigger. No problem. But when buying these resistors I see they are rated at 1/4 watt up to 3watt generally. Is there a minimum power rating needed?

Thanks!

Answer 1

1/4w is enough.