Offroad Light Wiring - JeepForum.com
 
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post #1 of 11 Old 12-27-2013, 02:11 PM Thread Starter
ocblaze
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1979 CJ5 
 
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Offroad Light Wiring

Hey y'all,

Sorry if this is a stupid question but today I was installing my new wiring harness for the offroad lights and have run into a stumbling block. I have everything wired up except for the 12-volt powered wire that goes to the switch.

First: My wiring manual says you can tap into your headlight wiring but I don't want to mess up the headlight wiring and be stuck without lights potentially later down the road.

Second: Does anybody have a good link to how to use a wire tap? I've never used one and since the kit only came with one I don't want to mess it up!

Just so you know this little project of mine snowballed into 4 hours of dash wiring cleaning, organizing, and removing of junk as well as removing the 4-wheeler winch that had a broken cable on it . So this 1 hour project turned into a 6 hour cleaning and organizing but at least the Jeep is much less likely to burst into flames randomly now ! Thanks for the help y'all.

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post #2 of 11 Old 12-27-2013, 02:23 PM
82JeepCJ7
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Some of the cheaper light wiring kits do not include a solenoid. I would wire one in if it did not come with the kit. I went down and bought a buss strip. I have one for constant 12v and another for switched 12v. That way if I want to add something to the system, I am not trying to hack into current systems just to find a 12v source.
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post #3 of 11 Old 12-27-2013, 06:45 PM
LumpyGrits
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I would wire in a relay and take the load out of your switch
LG

Have'n you along, is like loose'n 2 good men
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post #4 of 11 Old 12-27-2013, 08:16 PM Thread Starter
ocblaze
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I did wire in a relay and a solenoid. I just don't know which wire to tap for power for the switch. I will eventually put in ground and switched power buss bars but that isn't part of today's plan.
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post #5 of 11 Old 12-27-2013, 08:26 PM
lucdog
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Quote:
Originally Posted by ocblaze
i did wire in a relay and a solenoid. I just don't know which wire to tap for power for the switch. I will eventually put in ground and switched power buss bars but that isn't part of today's plan.


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post #6 of 11 Old 12-27-2013, 08:32 PM
LumpyGrits
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Quote:
Originally Posted by ocblaze View Post
I did wire in a relay and a solenoid. I just don't know which wire to tap for power for the switch. I will eventually put in ground and switched power buss bars but that isn't part of today's plan.
Relay and solenoid. How many amps are you pull'n for these lights?
LG

Have'n you along, is like loose'n 2 good men
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post #7 of 11 Old 12-28-2013, 09:38 AM
ScroungerLee
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Quote:
Originally Posted by ocblaze View Post

Second: Does anybody have a good link to how to use a wire tap? I've never used one and since the kit only came with one I don't want to mess
Do you mean a wire tap like this:


If so the proper way to use it is to throw it out.
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post #8 of 11 Old 12-28-2013, 11:30 AM
Dngrs1
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Ah, the 'scotch-lock'. Nice when the plastic gets dry and brittle and falls apart.
I may be getting old or daft or both but what is the purpose of a solenoid in light wiring?

I would rather have a tool I don't need, than need a tool I don't have.
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post #9 of 11 Old 12-28-2013, 11:33 AM
LumpyGrits
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Don't use it!
Learn to solder, and use heat shrink tubing.
LG

Have'n you along, is like loose'n 2 good men
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post #10 of 11 Old 12-29-2013, 04:57 PM
Shinook
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Quote:
Originally Posted by 82JeepCJ7 View Post
I have one for constant 12v and another for switched 12v. That way if I want to add something to the system, I am not trying to hack into current systems just to find a 12v source.
I often wonder why more people don't do this to their cars.

I recently rewired our sailboat and must have used a dozen different bus bars and terminal strips, the result is very clean with no taps or bundled wires. If I want to add anything, it's just a matter of wiring it to the bus bar. It seems logical to me to do it the way you did, especially for accessories.

So, why don't more people use it?

Also, why are none of the wiring harnesses using tinned wire
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post #11 of 11 Old 12-29-2013, 05:57 PM
GlennLever
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Please do not use the wire tap, they corrode, fall apart, do not make good connections and break wires.

You should not use the existing headlight circuit as a power source.

Use a bus bar for both the power source and grounds directly from the battery using relays.

There are lots of good threads on here, yes I know the search function doews not work well, try using Google to search.

I attempted to write some information after reading threads here

http://www.jeepforum.com/forum/f8/cj...l#post13354201

http://www.jeepforum.com/forum/f8/cj...l#post13425120

http://www.jeepforum.com/forum/f8/cj...l#post13433362

http://www.jeepforum.com/forum/f8/cj...l#post14168684

Glenn R. Lever
Rochester, New York 14617-2012
My Web Site http://www.lever-family-racing.com

My restoration thread here on the Jeep forum
http://www.jeepforum.com/forum/f8/cj...build-1269301/
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