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LED Light Bar

Oct 11, 2013#1

B

Bridge

New poster here.

Question: I have a John Deere LA 105 lawn tractor at my other house (the house we're moving to), my question, I want to add an LED flood light bar. Is the lawn mower 6 or 12 volt?

I'd like to order the light bar and bring it with me next weekend, thanks

Oct 12, 2013#2

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panabiker

I'm pretty sure it's 12v as most riding mowers are. Sometimes it says it on the battery, or you can measure the battery with a voltmeter/multimeter.

Also make sure that the light bar can tolerate a bit more than 12v. When the mower is running, the voltage can go above 14v. I replaced the headlamps with LED bulbs on my mower two summers ago and most LEDs are now burned out and the individual LEDs have fallen off.

Oct 12, 2013#3

B

Bridge

panabiker said:
I'm pretty sure it's 12v as most riding mowers are. Sometimes it says it on the battery, or you can measure the battery with a voltmeter/multimeter.

Also make sure that the light bar can tolerate a bit more than 12v. When the mower is running, the voltage can go above 14v. I replaced the headlamps with LED bulbs on my mower two summers ago and most LEDs are now burned out and the individual LEDs have fallen off.

Thank you for the reply.

I'll put a meter on the battery.

Oct 12, 2013#4

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itguy08

Automotive LEDs should be good for the slight over voltage as a car battery charges at 13-14v and that's what the car system runs at when the engine is running.

Another thing to think of if you are running off the light circuit is that in many systems the light circuit is AC. That is true for those systems where the lights are only on when the engine is running. That can be a problem as cars only get DC.

Oct 12, 2013#5

txzrider

I think you meant to say cars only get DC...

Oct 12, 2013#6

Carscw

I would hook the lights up from the battery using a rocker switch so they don't dim at lower rpms.

Oct 13, 2013#7

chobbs1957

itguy08 said:
Automotive LEDs should be good for the slight over voltage as a car battery charges at 13-14v and that's what the car system runs at when the engine is running.

Another thing to think of if you are running off the light circuit is that in many systems the light circuit is AC. That is true for those systems where the lights are only on when the engine is running. That can be a problem as cars only get AC.

It's not hard to add a hookup direct from the 12VDC battery by adding an inline fuse and rocker switch. Just be sure to turn off when engine is off! Leaving lights on really zaps a lawnmower battery. I confess that I have learned that the hard way.

Oct 13, 2013#8

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itguy08

txzrider said:
I think you meant to say cars only get DC...

Yup. I've edited the post. Thanks.

Aug 23, 2014#9

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ccryder

SBL has this little beauty that throws 2510 lumens for $79.95.
4" Quad Row Heavy Duty Off Road LED Light with Multi Beam Technology - 36W | Off Road Light Bars | LED Work Light & Off Road LED Light Bars | Super Bright LEDs | Super Bright LEDs

Granted the light bars are much cheaper but, running at even 1/2 speed, they may not reach far enough to cut at a comfortable pace.

Aug 25, 2014#10

Nwatson99

ccryder said:
SBL has this little beauty that throws 2510 lumens for $79.95.
4" Quad Row Heavy Duty Off Road LED Light with Multi Beam Technology - 36W | Off Road Light Bars | LED Work Light & Off Road LED Light Bars | Super Bright LEDs | Super Bright LEDs

Granted the light bars are much cheaper but, running at even 1/2 speed, they may not reach far enough to cut at a comfortable pace.

Just throwing this out there, but this would be easier to mount on your mower and look at this photo for a night shot.
Here is the light bar I would use: 8" Heavy Duty Off Road LED Light Bar - 18W | Off Road LED Light Bars | Super Bright LEDs | Super Bright LEDs

This shot was dead of night and really foggy out at 40 yds.

Here it is mounted on my Rubicon

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