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Old 10-23-2010, 11:22 AM
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Keeping cig lighter on?

I've heard there's a fix to make the cigarette lighter stay on even with the jeep not running. I get aggrevated at a gas station or whatever and my phone or GPS stops charging because I turn the jeep off.

I'm either not smart enough or the forums iPhone app search function doesn't work well.

Thanks for any help!

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Old 10-23-2010, 11:28 AM   #2
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It's ignition hot right now. You just have to switch it over to battery hot. Do you have the cig lighter and 12v. power on the dash? Because your 12V. power will be battery hot (constantly on).

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Old 10-23-2010, 11:31 AM
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Quote:
Originally Posted by Jeep Patrol
It's ignition hot right now. You just have to switch it over to battery hot. Do you have the cig lighter and 12v. power on the dash? Because your 12V. power will be battery hot (constantly on).
I don't have a 12v power, just a cig lighter. What's the easiest way to go about switching it over to battery hot?
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Old 10-23-2010, 11:33 AM   #4
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How long does it take to fill up the gas tank. A few minutes should not make a difference. Plus you cannot leave something plugged in all night and kill the battery.
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Old 10-23-2010, 12:31 PM
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How long does it take to fill up the gas tank. A few minutes should not make a difference. Plus you cannot leave something plugged in all night and kill the battery.
I realize it's not a big deal, I'm just used to the way every other vehicle I've ever owned worked
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Old 10-23-2010, 01:05 PM   #6
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I just installed heated seat covers in my TJ and the passenger side cover is plugged into the power port and the drivers side in in the lighter. Then I noticed the power port is hot all the time and if I don't make sure the cover is turned off the cover could be on 24/7 since the switch is between the seat and door and you cannot easily see the power indicator light.

To fix this I picked two lighter extensions with on/off switches and now all I need to do is look at the dash and see if the indicator lights on the switch is off. Plus they allowed me to hide the wiring under the carpet since the wiring that came with them was not very long.
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Old 10-23-2010, 01:30 PM   #7
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I still don't know why you can't just leave it in ACC but just cause I don't want you ruining the TJ either there are a couple of other things.



That is the wiring diagram for your power, outlet relay and the outlet. You can either replace the P30 wiring coming off of your Power Distro Center into the relay and run that directly to where the P22 wire is. However, you need to make sure that the P22 coing out of the relay is not still connected to the fuse. The relay is told by the ignition that when in the ON position the ignition send electricity to the relay, it is turn does what relays do and moves the relays so that energy is sent to the P22 out. However, you are already going to have power there, so you don't want power to keep coming out of there. Cut and cap that wire and splice the other end of P22 to the wire you ran from distro center. Now you will ahve constant power going to the fuse which send power to the outlet. I can send you the page blown up if you want.

Don't just T clamp onto the constant for the radio and then plug that into the outlet input. That's the cheap ghetto way and could lead to expensive problems later.

Side note....I'm still tired and hung over from an early Halloween party so if I read anything wrong for the wiring someone else feel free to make the correction, but everything looks good and how I would run it.
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Old 10-23-2010, 01:46 PM   #8
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You have a '99, so the following may apply

Chrysler only put in one cig. lighter, but included a secondary wiring harness for always on power. It's located behind the glove box, and the wiring may be wired ACC or something like that. I have it behind mine, but I haven't done the wiring since I prefer ignition-hot.
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Old 10-23-2010, 01:49 PM   #9
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I added a small aux fuse box to my engine compartment that provides ten separately fused points for adding electrical accessories. That's where I connected my cigarette lighter to because I like it to remain alive all the time too.
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Old 10-23-2010, 02:04 PM
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Thanks guys! I knew if there's a will there's a way! I'm kinda liking the fuse box idea!
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Old 10-23-2010, 02:05 PM   #11
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I should have included that my fuse box is connected directly to the battery via an 8 gauge cable.
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Old 10-23-2010, 02:06 PM
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I'll take a look behind the glove box too, that seems like it would be the simplest way of doing it since I'm pretty much a moron when it comes to electrical work.
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Old 10-23-2010, 02:08 PM   #13
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Then I would ask for help from a friend who knows more about this kind of stuff. I would not just stuff a wire into one of the fuse slots behind the glove box.
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Old 10-24-2010, 03:13 PM   #14
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The relay that controls the cig. lighter is located behind the steering wheel cover, almost in front of your left knee when you are in the drivers seat. I modified mine so that it would stay on when the key is off. I'll post the pictures when I find them. I think I just removed the relay and added a jumper.

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Old 10-24-2010, 08:04 PM
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Quote:
Originally Posted by 30-284
The relay that controls the cig. lighter is located behind the steering wheel cover, almost in front of your left knee when you are in the drivers seat. I modified mine so that it would stay on when the key is off. I'll post the pictures when I find them. I think I just removed the relay and added a jumper.

Donn
That's the fix I found somebody talking about on here, but they weren't sure how it was done, just that it had something to do with the relay behind the steering wheel.
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Old 10-24-2010, 09:12 PM   #16
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I plan on putting another another power plug to run my iphone/ipod. I want it hidden behind the dash but not a constant power because it will obviously drain my battery. The battery to the iphone is crappy so thats why I need a constant power source. Could I take out my cig lighter and use that for my iphone (hidden behind the dash) and run as was stated here that constant hot source to where the cig lighter was. Heres how my set up is now.

As you can see its plugged into the lighter and I have the wires running through the ash try up throught the dash and out the side. I like the cleaner look without al the wires to clutter it up and so people dont get nosey and look inside.
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Old 10-25-2010, 08:54 AM   #17
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When I had my XJ, I always left my phone or Ipod plugged in. Neither has killed the battery, yet I know my Blackberry stops charging when fully charged.

I've beet interested in having a 'hot' outlet as well. I was thinking of ripping the ash tray out and adding another instrument panel (3 switches and an outlet).
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Old 10-25-2010, 09:18 AM   #18
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I had to run a 12v source into the cab to power all my light switches, so I figured while I was there I'd turn my cig lighter into a always hot source and make my radio available to work without the key.

You can use a volt meter to figure out which wire going into the cig lighter is hot when the ignition is on, and the cut that wire and splice in your 12v supply. just make sure you tape off the cut end and you now have an extra 12v keyed source.

As for the radio, you cut the ignition switch wire, and you attach that to the middle pole of a 3 position switch. an always hot on one side and the original ignition wire on the other side.
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Old 10-25-2010, 09:35 AM   #19
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Quote:
Originally Posted by dutch169 View Post
I plan on putting another another power plug to run my iphone/ipod. I want it hidden behind the dash but not a constant power because it will obviously drain my battery.
Look at the size of your Jeep battery and then look at the size of the battery inside your Ipod, GPS, etc. It would take weeks if not months for your Ipod, GPS, CB radio, etc. to drain your Jeep battery. Heck your Ipod can at least run all day on the tiny (TINY!) battery it has inside. That's why I wired my GPS, CB, cell phone charger etc. so it (they) doesn't shut off when I turn the ignition off. I want to be able to use things like that with the ignition off. They won't drain the battery unless you don't start your engine for at least several weeks.
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Old 10-27-2010, 06:57 PM   #20
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Check out this post from a while back, it shows the relay base and the jumper mod that I did to keep the cig. lighter hot all of the time.

Donn


https://www.wranglerforum.com/f5/ciga...tml#post530918
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Old 10-27-2010, 08:43 PM
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Quote:
Originally Posted by 30-284
Check out this post from a while back, it shows the relay base and the jumper mod that I did to keep the cig. lighter hot all of the time.

Donn

https://www.wranglerforum.com/f5/ciga...tml#post530918
Thank you! Pictures make everything better!

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