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Old 04-28-2009, 09:02 PM   #1
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New KC Slimlites arn't working!?!

So i was trying to install my KC Slimlites and I followed the directions to do so of course. The only thing I did differently was to run the wires directly to the battery instead of a 12v power source. I originally had the yellow wire ran to the positive terminial and the white wire ran to the negative terminal. Installed the fuses and flipped the switch and NADA! The instructions say that for most 2000 and later vehicles the white wire should attach to the positive side of the battery. Mine is a '97, but I swapped the wires around and now the little light on the on/off switch illuminates but still the lights arn't turning on. I double checked that the red went to red and black to black on the lights. I have the ground from the switch under the dash attached to the firewall and I have the ground from the relay (which is mounted under the hood) attached to the firewall. I believe the connections are good on the grounds.

Any ideas? I am not very good with wiring, but don't see how I could have screwed this up. The fuses are OK also.

These are the ones I have. I tried finding the instructions online but cannot do so.

KC HiLiTES 121 - KC HiLiTES SlimLite 130W Super White Long Range Pair Pack in Black - Quadratec

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Old 04-28-2009, 09:12 PM   #2
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I would check the grounds if your sure everything is wired right. obviously the ground on the switch is good if your getting a light on it so I would check the relays ground. make sure you scraped off all the paint were you grounded it and that its metal to metal.

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Old 04-28-2009, 09:16 PM   #3
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Going to do right now. I didn't scrape down to metal. Will try that and report back.
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Old 04-28-2009, 09:52 PM   #4
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Scraped both grounds down to metal and tried again. Still nothing. I can hear the relay making a click noise when I turn the switch on and the switch is illuminating. I tried the two cables both ways again (positive to yellow, negative to white and then reversed). The switch only lights up and the relay makes the click noise when the white is on positive and the yellow is on negative.

Is it possible that the pos. and neg. wires for the lights themselves are reversed (i.e. the red should go to black and black to red instead of the same color)?

I sat outside doing this for 4 hours and have nothing to show for it except for some cool looking lights that arn't working
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Old 04-28-2009, 10:27 PM   #5
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relay could be beat. i would hard wire the light to the battery, meaning red wire on the light to positive on battery, black wire on light to negative on battery. that will at lest tell you if the lights good. if the lights good, i think the relay is an spst relay, same as almost any other in your jeep. try one of your other relays that have the same amp rating and the same pole configuration and see if that fixes the problem.
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Old 04-29-2009, 12:19 AM   #6
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Yet again I am back. I grabbed a different relay that is used for the heated rear window, plugged it in, flipped the switch and I get the click and then nothing. So I am thinking both relays are good, but something is messed up in the wiring. That is the only thing that makes any sense to me. On the switch there is Earth/Load/Supply. On Earth I have a BROWN wire that is GROUND TO THE FIREWALL. On Load I have a GREEN wire that goes to the POSITIVE(86) on the relay. On Supply I have a WHITE wire that goes to the POSITIVE side of the battery. On the Relay I have red wires that go from (87) and (87a) to the positive input on the lights. On (85) I have a BLACK wire that goes to the lights, relay, and GROUND TO THE FIREWALL. On (30) is the YELLOW wire with a 25amp fuse that goes to the NEGATIVE side of the battery.

I will post a picture from MS PAINT of how it is wired up. Touching the light directly to the battery they do light up.
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Old 04-29-2009, 12:33 AM   #7
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Quote:
Originally Posted by jamesbernatchez View Post
Yet again I am back. I grabbed a different relay that is used for the heated rear window, plugged it in, flipped the switch and I get the click and then nothing. So I am thinking both relays are good, but something is messed up in the wiring. That is the only thing that makes any sense to me. On the switch there is Earth/Load/Supply. On Earth I have a BROWN wire that is GROUND TO THE FIREWALL. On Load I have a GREEN wire that goes to the POSITIVE(86) on the relay. On Supply I have a WHITE wire that goes to the POSITIVE side of the battery. On the Relay I have red wires that go from (87) and (87a) to the positive input on the lights. On (85) I have a BLACK wire that goes to the lights, relay, and GROUND TO THE FIREWALL. On (30) is the YELLOW wire with a 25amp fuse that goes to the NEGATIVE side of the battery.

I will post a picture from MS PAINT of how it is wired up. Touching the light directly to the battery they do light up.
draw a diagram of how you have it wired so everyone can have a look maybe that will solve all of the confusion
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Old 04-29-2009, 12:33 AM   #8
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Hope this helps

The thing with the numbers (86, 87, etc) is the Relay. The yellow wire also has a 25 amp fuse and the white wire has a 3 amp fuse.

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Old 04-29-2009, 12:42 AM   #9
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I've never used a relay on my lights but I googled it up and this is what I found try this out and see if it helps
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Old 04-29-2009, 12:49 AM   #10
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Thanks Bark! The only issue is that the I cannot change the inputs into the relay. I can change the outputs. If I were to do what that diagram you posted shows, where do I go with the white wire from the Switch (supply)?

I won't be able to get to this until after work today, but please, if anybody else has any ideas it is much appreciated.

I don't see how I could have messed this up. The harness is all factory from KC and it specifically states that the black wire is to be grounded to the chassis.
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Old 04-29-2009, 01:00 AM   #11
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I just looked up the diagram for kc lights on there website and they have everything connected like you do except they have the number 30 prong on the relay going to the 12+vdc power and you have it going to the battery ground I think that is your problem here is the link to the install take a look

http://www.kchilites.com/faq/instructions/6315_Web.pdf
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Old 04-29-2009, 01:02 AM   #12
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Wait a minute....

That diagram shows that both the white AND yellow go to the POSITIVE side of the battery. So I shouldn't have any wires to the NEGATIVE side. Is that how you take that?

I'd rather double check before I put two wires to the Positive side on the batt.
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Old 04-29-2009, 01:13 AM   #13
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Quote:
Originally Posted by jamesbernatchez View Post
Wait a minute....

That diagram shows that both the white AND yellow go to the POSITIVE side of the battery. So I shouldn't have any wires to the NEGATIVE side. Is that how you take that?

I'd rather double check before I put two wires to the Positive side on the batt.
I'm pretty sure that diagram is right, you have it wired so that there is two grounds running to the relay I don't see why the relay needs two grounds. I would use the wiring diagram from kc's website. Did your light kit not come with a wiring diagram.
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Old 04-29-2009, 01:25 AM   #14
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A diagram came with it. The confusion was that the white wire didn't say to go to a +12v. It just said to go to light switch or battery.

Just went down to the garage and put both wires on positive and guess what....they work!

Thanks for your help! It is much appreciated. I can go to sleep happy now
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Old 04-29-2009, 01:33 AM   #15
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no problem
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Old 05-01-2009, 02:07 PM   #16
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i remember putting a wire to my fuse box under the hood with one of the paddle like connectors. i believe it comes from the relay to the fuse box. I also have the power supply for the switch that goes to the bat.

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