Should keeping my FM Transmitter plugged in my car cause it to not start?

Question

I just bought the transmitter so that I can play music from my phone in my car.  I keep it plugged in.  My car almost didn't start the same day I bought it.  I have never had this issue before.  I now unplug it when I get out.  When the car is off I thought it no longer was draining the battery so it should not be doing this.  If anybody knows the answer please let me know what you think.

Anonymous · Accepted Answer

Unplug it...
With most cars the cigarette lighter outlet stays powered when the ignition's off.

Clean the battery connections or get a new battery.
Sandpaper the posts and the insides of the clamps.

Consider a new battery, you can't save much by waiting. You can be stranded.
After 4 - 5 years and a couple times being dead... a car battery is trash.

Sure it will start the car, but not below freezing, and not if anything is left on even for a few hours.
You want to be able to park it at say, an airport for 2 weeks, and trust it to start.

Mike Smythe · Answer

is the fm transmitter connected to your music device or your car?

if it is connected to your device, it is just a coincidence that your car isnt starting so look into a new battery

if it is conected to your car, and your car will not start multiple times, that means it is draining your battery

gee-man · Answer

This shouldn't be causing your car to not start,but do what makes you comfortable,personally I don't like leaving anything plugged in while not in use,,,,,,,,,,,,,,,,,

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Should keeping my FM Transmitter plugged in my car cause it to not start?

3 Answers