wiring hdeadlites

getting ready to wire headlights and rear worklight on 48 8n, it did not have a fuse in circuit, im not familiar with 6v positive ground, should I put a fuse in circuit and if so what size 5amp 10amp?. also is rear work light a different seal beam than headlights, rear head light is broken.
 

The OEM switch had a fuse in it. Are you using some other switch? If so, yes, use a fuse.

The size fuse depends on the current draw of all lights on the circuit....and we don't know what that is.
75 Tips
 
OEM: Original Equipment Manufacturer

It is a pull switch, much better than a toggle switch. And it has a fuse in it.

If you don't want to use an OEM switch, add an in-line fuse.

Add up the watts of all the bulbs & divide by your battery voltage.

Headlights are 35 watt bulbs. So that's 70 watts.

What are the tail lights?

Lets assume one bulb at 35w. So, 105 watts/6v = 17.5 amps.

In a perfect world, your load should not be more than 75% of the fuse, so you need a 25 amp fuse. Good luck w/ that. Use a 20 amp fuse.

And do not wire the lights through your ignition switch. It will not handle 17 amps.
75 Tips
 
I'm not a big fan of TSC, but I use their $5 switch. It has a glass
fuse built on and has one position to run just headlights, one to
run just tail light and another to run both at the same time.
Its in the automotive aisle, not the tractor aisle.
Take the "*" out
http://www.tractor*supply.com/en/store/conduct-tite-push-pull-switch-fused-headlight-15-amp-%28180-watts%29
 
With the 6 volt positive ground you run a single wire from the negitive power supply.
You can use a crimp on sta kon ring terminal and connect it to the ballast resistor located on the back left side of the dash by the amp meter
Make sure it is on the terminal that turns off with the key switch.
 
"Make sure it is on the terminal that turns off with the key switch."

I did this to one of mine too, because I wanted the lights to go
off with the key. However, I wired a relay to the switch instead
of the actual lights. That way the key switch only has to power
the relay instead of trying to power 17 amps to the lights.
I don't think that weak ignition switch will stand up to that long.

I rarely use the lights, so I have been waiting to determine how
long it would last. So far it has been three years, but in three
years I may have used the lights three hours. Not much of a test.
I use the tractor a lot, just not the lights.
 

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