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Old 10-15-2010, 03:21 AM   #46 (permalink)
cfg83
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1999 Saturn SW2 - '99 Saturn SW2 Wagon
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Neil -

Quote:
Originally Posted by NeilBlanchard View Post
Changing running lights to LED's will save a minuscule amount of power, and you might be able to notice the difference while waiting at a red light with the engine off, but I don't think you notice a different in the FE.

Another difference is the brake lights turn on instantly, and so they will "grab" the attention of the drivers behind you better than incandescent bulbs; and ditto for turn signals.
That's my main reason. When I am at a stoplight at night, I turn off the engine and the headlights, but I keep the running lights on. That way I am not taxing the battery when I restart the car, and my car is still visible to cars pulling up behind me.

CarloSW2
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