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Old 09-01-2010, 12:29 AM   #1
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back up light, help needed cuz Im a dummy

I bought some 4 inch fog lights to put in the back so I could actually see something while backing up. everything was going well, I was adjusting the height of the light beam to what I wanted, both oem and the add on were working at the same time, cool...... until I turned on the switch I install in the front. I wasn't paying attention and turned it on while it was already in reverse, so it poped the 2A fuse. no problems I have spare. installed the spare , checked the fuse in the fuse box, everything looks good.
except that now I have no back up light running, oem or add on, nothing works stop light works, turn light works ,the only rear light that doesn't work are the back up light, there is no way that there is a fuse just for the backup light, right ?

the way I wire the light is that when I engage reverse it will turn them on, and if I need,I can turn themon manually with the switch up front. ( do I make sens ? ) here is a " diagram" how I hook them up


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Old 09-01-2010, 12:43 AM   #2
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When you put it in reverse there should be a switch somewhere to turn the reverse lights on. You have probably overloaded the switch and burned it up. You need to install a relay in there to prevent the load from being on that switch. Not sure where the switch is but i hope that helps a little. Check a haynes manual for the wiring, good luck!

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Old 09-01-2010, 12:49 AM   #3
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I'll check the swith tomorrow, I think it 's located under the console where the stick shift is. but at the same time, when I turn the lights on with the switch it should still work, unless it also blew up both bulb....
I have the haynes manual, talk about a waste of money.... that thing is useless and pics are bad quality... i need to buy the real service manual
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Old 09-01-2010, 01:02 AM   #4
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I didnt see where the switch was located in your drawing, but if it bypasses all of the factory wiring it should work. Double check your ground also.
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Old 09-01-2010, 01:17 AM   #5
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the switch is all the way to the top of the drawing
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Old 09-01-2010, 03:45 AM   #6
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Is it possible the back-up globes blew when the fuse popped?
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Old 09-01-2010, 05:28 PM   #7
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I did mine too. I went to Wally world and got some for $18.88 I removed the bulbs from the stock reverse lights and wired the new ones to a relay first them used the stock wire to light'em up just as if they were stock lights. The relay uses power from the battery so the new 55watts lights don't burn up the old stock woring which can't handle the 55 watts of power.

I also plan on putting in a 3 way ON/OFF/ON switch in the near future. The first ON is when you put in reverse the lights come on....OFF is...well OFF lights don't light, the second ON is direct ON so when you want light you get it without being in reverse.
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Old 09-01-2010, 05:31 PM   #8
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I did mine too. I went to Wally world and got some for $18.88 I removed the bulbs from the stock reverse lights and wired the new ones to a relay first them used the stock wire to light'em up just as if they were stock lights. The relay uses power from the battery so the new 55watts lights don't burn up the old stock woring which can't handle the 55 watts of power.

I also plan on putting in a 3 way ON/OFF/ON switch in the near future. The first ON is when you put in reverse the lights come on....OFF is...well OFF lights don't light, the second ON is direct ON so when you want light you get it without being in reverse.
how would you lay the wiring with the 3 way switch ?
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Old 09-01-2010, 05:51 PM   #9
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This site will explain it all...... Selectable Backup Lights
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Old 09-01-2010, 11:04 PM   #10
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I got my light (the add on) to work with the switch. I also disconeted them from the oem light. I looked at the backup light switch but it seems that the neutral switch and back up light are one so I guess I'll leave it alone at least for now
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Old 09-02-2010, 10:35 AM   #11
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I got my light (the add on) to work with the switch. I also disconeted them from the oem light. I looked at the backup light switch but it seems that the neutral switch and back up light are one so I guess I'll leave it alone at least for now
But where is the relay? The problem is that your new lamps at the rear pull far to many amps that the small 16-18 gauge factory wiring was never design for, and a 2amp fuse is just going to keep popping. It's a recipe for melted wiring and a possible fire. If you want added light to the back you should wire it up separately from the stock wiring using no less than 12-14 gauge wire and hook it up using power from the battery,relay,separate switch and it's own fuse. That way you don't even need the Jeep to be running or even have it in reverse in the case you need light to the rear.
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Old 12-17-2014, 08:57 AM   #12
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Resurrecting/highjacking this old thread...

I picked up some LEDs for back-up lights and was thinking about pulling the bumper off this weekend to intall them. The LEDs I got are the bolt type so it will just be a hole in the bumper for each one (4 of them).

My question is where to route the wires? I am fairly anal about clean wiring and not drilling holes unless necessary. Is there a pre-existing hole where I can run the wires from the bumper to the tail/reverse lights?

I would crawl under and look myself, but it is 15 degrees out right now.

Thanks,
John
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Old 12-17-2014, 06:52 PM   #13
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Resurrecting/highjacking this old thread... I picked up some LEDs for back-up lights and was thinking about pulling the bumper off this weekend to intall them. The LEDs I got are the bolt type so it will just be a hole in the bumper for each one (4 of them). My question is where to route the wires? I am fairly anal about clean wiring and not drilling holes unless necessary. Is there a pre-existing hole where I can run the wires from the bumper to the tail/reverse lights? I would crawl under and look myself, but it is 15 degrees out right now. Thanks, John
I installed back up lights last year. I have all the wiring inside rear bumper. I have one wire up to reverse lights that I ran to left of tailgate latch up under the plastic wheel well cover that closes off the rear of the jeep pretty much below left taillight. My wiring runs to a switch in cab. I followed the factory wired through existing grommet into rear cargo area and then along tub zip ties to factory wiring.



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Old 12-17-2014, 07:03 PM   #14
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I wired mine separate on a dash rocker switch. The main reason is so I can use them to hook a trailer or snatch line without having to be in reverse for them to be one. I also wired them on another switch and relay through a cheap generic flasher. In an emergency, they flash about ten times brighter than the tail light flashers.
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Old 12-18-2014, 08:12 AM   #15
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You mentioned that you went behind wheel well cover, good idea. You then went into the tub, correct? How did you get into the tub? Did you drill a hole, or was there an existing one?


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I installed back up lights last year. I have all the wiring inside rear bumper. I have one wire up to reverse lights that I ran to left of tailgate latch up under the plastic wheel well cover that closes off the rear of the jeep pretty much below left taillight. My wiring runs to a switch in cab. I followed the factory wired through existing grommet into rear cargo area and then along tub zip ties to factory wiring.



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Old 12-18-2014, 08:41 AM   #16
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You mentioned that you went behind wheel well cover, good idea. You then went into the tub, correct? How did you get into the tub? Did you drill a hole, or was there an existing one?
There is an existing plastic grommet in the rear driver side corner by roll bar attachment that I pushed wiring through. Same place the taillight wiring runs.
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Old 12-18-2014, 08:50 AM   #17
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Perfect, thank you.
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Old 12-18-2014, 08:58 AM   #18
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Resurrecting/highjacking this old thread...

I picked up some LEDs for back-up lights
Are you running a separate switch or just off the existing back up circuit. If just with the reverse, you can tie directly to the existing wires.
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Old 12-18-2014, 09:00 AM   #19
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Directly to the backup lights. May add a switch in the future.
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Old 12-18-2014, 09:15 AM   #20
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Then there is no need right now to go into the interior. Remove the tail light and find which wire is the reverse (look inside the light housing). On the rear corner there is just a small partial cover. You can run the new wires up to the tail light harness and splice the new light wires.
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Old 12-18-2014, 09:22 AM   #21
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Thanks, the less time I have to spend doing the outside stuff the better. Should be a little warmer this weekend.

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