Back up lights below the bumper
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Cargo Master
Joined: Oct 2007
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From: BoCoMo
Back up lights below the bumper
I have a 2001 Crewcab 7.3, that I keep garaged. I back back down my driveway that is about 150feet long and back it in. I would like to install two (offroad?) lights under the back bumper, so I can light up the area when I back up. I have one mounted that I plug straight into the 4-way, harness when I need to back up. As with anyone...I do not like getting in and out of my truck (wife wont do it) when I get home. I would like to mount a swith by the trailer break controls, in side the cab and run a hot wire back to the lights. I would like to fuse them, so that they will come on only when the key is on. I have been told the I can wire into one of the fuses under the hood. I have found a rubber plug going through the fire wall by the passengers feet area to run wires through. Any suggestions or concerns?
Thanks
Brother Les
Thanks
Brother Les
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Joined: Oct 2005
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From: Cincinnati, Ohio
If you a 7way trailer harness just use that Wiring Code 7 way Car End # Color Gage Circuit Function connector interior
1 white 10 common ground
2 blue 12 electric brake
3 green 14 tail/running lights
4 black 10 battery charge (+)
5 red 14 left turn/stop
6 brown 14 right turn/stop
7 yellow 14 auxiliary/back up
NOTE: #7 is the center terminal and currently is most commonly used for backup lights. As long as your add-on lights don't draw too much power, it's already switched and fused.
1 white 10 common ground
2 blue 12 electric brake
3 green 14 tail/running lights
4 black 10 battery charge (+)
5 red 14 left turn/stop
6 brown 14 right turn/stop
7 yellow 14 auxiliary/back up
NOTE: #7 is the center terminal and currently is most commonly used for backup lights. As long as your add-on lights don't draw too much power, it's already switched and fused.
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Cargo Master
Joined: Oct 2007
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From: BoCoMo
yes it does. and it worked fine when I put the male prong on it from the light. I pull a 30 foot trailer and I use the eight prong, and I would like to 'independently' 'light up', the back side of my truck. If I am in a parking lot, I would not want them to come on when I don't need them and blind someone.
Thanks for the Greetings, this is a great web site.
Brother Les
Thanks for the Greetings, this is a great web site.
Brother Les
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Posts: 555
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From: Cincinnati, Ohio
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Cargo Master
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From: BoCoMo
O'Reillys auto parts sells several types of 'tractor type' rectangal lights. They sold me a 30 amp fuse to put in line off of one of the battery terminals, I think that is too high of a fuse. I think that is should be (from looking at the manuals0 'around' 15 Amp fuse for 'head lights'......Don't want to fry my wiring system..
Brother Les
Brother Les
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Elder User
Joined: Oct 2005
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From: Cincinnati, Ohio
Originally Posted by Brother Les
yes it does. and it worked fine when I put the male prong on it from the light. I pull a 30 foot trailer and I use the eight prong, and I would like to 'independently' 'light up', the back side of my truck. If I am in a parking lot, I would not want them to come on when I don't need them and blind someone.
Thanks for the Greetings, this is a great web site.
Brother Les
Thanks for the Greetings, this is a great web site.
Brother Les
Lead Driver
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Cargo Master
Joined: Oct 2007
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From: BoCoMo
Thanks, empiretc,
I see that "Bear Hunter" has a 30AMP relay. I had thought that that might be a little high...
As I can see...'looks' matter...I think I will look around for some better lights to put under my truck. It also looks as if he has his wired into the reverse switch and does not have 'independent' control. I do a lot of camping and have seen these on several trucks that they angle them out just a tad for a wider vision area. I will look closer for the rubber plug under the drivers side dash.
Thanks
Brother Les
I see that "Bear Hunter" has a 30AMP relay. I had thought that that might be a little high...
As I can see...'looks' matter...I think I will look around for some better lights to put under my truck. It also looks as if he has his wired into the reverse switch and does not have 'independent' control. I do a lot of camping and have seen these on several trucks that they angle them out just a tad for a wider vision area. I will look closer for the rubber plug under the drivers side dash.
Thanks
Brother Les
Senior User
Joined: Feb 2005
Posts: 416
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From: Mid Michigan
I just did this on my 01 f250 and mounted my lights to my hitch which worked very well and I grounded the light there too becuase its a solid mounting point. There is a green wire at the back of your truck on the driver side that is tucked away in your wire loom you can tap into it there ( it will have a small tag on it ). The fusing is more than needed for this application and your lights will come on when you put your truck into reverse. If you dont want that then run your wire to a switch and manually turn them on.
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Cargo Master
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From: BoCoMo
I mounted the one light to the cross bar of the hitch. For some reason there was a predrilled hole about 6-8 inches out on each side of the center of cross bar. Drilled it out a little to fit the bolt for the light. The one light peeks a little more that half past the bumper and shines a good light. I ran a short wire to the 4-way, just to see how well it works and looks, before I got into the 'hard wiring' part. One of the other big reasons for having an independent on and off switch, is that we hitch and unhitch the trail after dark. Thanks for these ideas and any more that come along.
Brother Les
Brother Les
Last edited by Brother Les; Nov 9, 2007 at 04:41 PM.
Laughing Gas
Joined: Mar 2007
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From: Tucson
Originally Posted by Clint40
I just did this on my 01 f250 and mounted my lights to my hitch which worked very well and I grounded the light there too becuase its a solid mounting point. There is a green wire at the back of your truck on the driver side that is tucked away in your wire loom you can tap into it there ( it will have a small tag on it ). The fusing is more than needed for this application and your lights will come on when you put your truck into reverse. If you dont want that then run your wire to a switch and manually turn them on.