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post #1 of 13 Old 01-04-2014, 11:05 AM Thread Starter
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Wiring Question

Completely new to this btw. I recently installed an LED bar on my Jk and wired the harness and all goodies. It works perfect. But even with my car off you can switch on the lights which i do not like, I didn't know where to connect the positive wire to (I have the 2 main power wires on the battery (-) and (+)) but there is another (+) wire that I didn't know where to place so i put it on battery and now it's always powered even when car is off (flick of a switch and led is on). What is the best place for me to rewire or tap it into where the switch only activates when the car is on? Any advice is appreciated. Thanks
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post #2 of 13 Old 01-04-2014, 12:12 PM
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lighter in the dash

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post #3 of 13 Old 01-04-2014, 12:24 PM
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x2, the left side cig lighter on the dash is the easiest to get to and will go off when you turn the key off [and open a door or wait x amount of seconds].

Depending on the size of your light bar, you may just want to use that cig lighter circuit to trigger a relay.

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post #4 of 13 Old 01-04-2014, 12:29 PM Thread Starter
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Ok cool thanks. The light bar i have now is 12" on winch mount but i also have a 20" Hood and 50" Roof on the way. 72w, 120w, and 288w I believe. Can cigarette light handle the 3? Should I use the relay you spoke of? Is a better spot better? Thanks again
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post #5 of 13 Old 01-04-2014, 12:36 PM
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I would go this route. Use the m9 fuse with a adapter like this.



Then run the hot wire to a distribution block like in the diagram below. This way the only thing that the m9 fuse is powering is the relays. You get the power for the light bars directly from the battery through a fuse panel that you install.


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post #6 of 13 Old 01-04-2014, 12:48 PM
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Quote:
Originally Posted by JRied View Post
Ok cool thanks. The light bar i have now is 12" on winch mount but i also have a 20" Hood and 50" Roof on the way. 72w, 120w, and 288w I believe. Can cigarette light handle the 3? Should I use the relay you spoke of? Is a better spot better? Thanks again


You'd be pulling about 35amps with that setup, so you'd need at least one relay [usually rated to 30a]. If you wanted to control them independently, then something like what USMC just posted.


USMC, where did you find that adapter? Pretty common at parts stores?

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post #7 of 13 Old 01-04-2014, 01:06 PM Thread Starter
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Awesome thank you

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post #8 of 13 Old 01-04-2014, 01:07 PM Thread Starter
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I have 3 separate harness adapters that all have there own fuse and relay

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post #9 of 13 Old 01-04-2014, 02:19 PM
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Quote:
Originally Posted by Goodysgotacuda View Post
You'd be pulling about 35amps with that setup, so you'd need at least one relay [usually rated to 30a]. If you wanted to control them independently, then something like what USMC just posted.


USMC, where did you find that adapter? Pretty common at parts stores?
http://www.autozone.com/autozone/acc...ier=32416_0_0_

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post #10 of 13 Old 01-05-2014, 01:01 PM Thread Starter
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I bought the fuse adapter for the M9 spot, my question is what amp fuse should i use, it's only powering the switches. I have a cpl 40A laying around. Is this too much? What should I purchase?

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post #11 of 13 Old 01-05-2014, 05:14 PM
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You should go low on the m9 fuse since it is only sending power through the switches to power the relays. If you go too high the fuse won't blow if something goes wrong. I think I am only running a 20A in that spot.

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If people don't take a stand now,you'll be bitches under their thumbs tomorrow.
Quote:
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I think too much of a pressure variant between Earth and outer-space... lack of oxygen... something like that.
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post #12 of 13 Old 01-06-2014, 09:36 AM Thread Starter
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Ok will do, I just verified my switches are 20 so ill pop a 20a in there.

Thank you guys for all they help I appreciate it

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post #13 of 13 Old 01-06-2014, 12:02 PM
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Quote:
Originally Posted by JRied View Post
Ok will do, I just verified my switches are 20 so ill pop a 20a in there.

Thank you guys for all they help I appreciate it
That's really not how you size fuses.

You size fuses off the electrical load, not the max the switch can transfer.


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