Installing LED Light Bar

MAVFAN

I have a 2013 TXT 48v. It has a 20a voltage reducer with the 12v output connected to a fuse block with 2 empty fuse holders. How do I connect the red & black leads from the light bar? I have a toggle switch to turn the bar on and off as well.

BGW

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bronsonj

The ground (black) you'll connect to the ground distribution on your fuse block if one exists. If it does not exist, the connect it to the ground from your reducer.

The power (red) you'll connect to the switch. Then from the switch you run to your fuse. MAKE SURE you put a fuse in there that's reasonable. If the bar draws 5 amps, put a 10 amp fuse on there. Not a 20.

MAVFAN

Thank you for the reply.
The reducer is a Sure Power Model 41020C10UL. Both grounds, terminal 3 & 6 are tied together and go to the negative post of the last battery. I'd like to install a ground buss for future 12v. I have pictures but I'm not sure how to post them on this.

bronsonj

ok, so there are two grounds, one as the source for the converter, the other as the output 12v ground. They combined them, which, while not dangerous does mean all your grounds then go to the battery pack main ground and can make wiring messy. I'm not an electrical engineer, so there may be some isolation issue or some-such. If that's true someone else will clarify I'm sure.

So you can either find which ground is for your 12v and run that to a distribution block for your 12v accessories or you can run the ground from your LED bar to the same ground as both leads from the reducer are connected to, which is likely the pack negative.

The power wire from your LED bar would still run as before. Led to switch to fuse to reducer. If it were me I'd just run the ground to the same location as the two grounds for your reducer are run to.

I did a google search for that reducer and picked up more hits when I dropped off the "UL" from the model, if you're looking for leads.

Looks like a nice converter by the way.