Electrical math help please

[Grant Lenahan]

bulb watts = volts x amps
so amps = watts / volts

now you have amps

set resistor such that volts / ohms = amps  --or-- ohms = volts / amps

Grant
On Nov 3, 2008, at 10:14 PM, Tom Love wrote:

> I built a relayed headlight harness and now it seems I need to fool  
> the auto check system into thinking there are still bulbs  
> connected. Using a resistor seems to be the way to go but  how do I  
> figure the size to fool the system into thinking the bulbs are  
> still connected? TIA
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Grant Lenahan
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(201) 602-4702 mobile