OEM Fog Light Switch Cable - JeepForum.com

 
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post #1 of 10 Old 08-16-2010, 07:13 PM Thread Starter
Cibert
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OEM Fog Light Switch Cable

Could some one Know Where is the OEM FOG Light Cable on a WRANGLER X Unlimited SAHARA 2007 ?? I Need to Attach some new FOG Lamps to the Original Fog Light Switch But I Cannot Find The Cable inside the HOOD, Can somebody Share some images to know where to find it ? THANKS.

I'm now kind of frustrated

Thanks in advance for all your answers.

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post #2 of 10 Old 08-16-2010, 08:11 PM
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The cable runs along the back of the bumper kinda inside a bit side to side. Not sure where it plugs in at, never looked.
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post #3 of 10 Old 08-16-2010, 08:26 PM
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Quote:
Originally Posted by Cibert View Post
Could some one Know Where is the OEM FOG Light Cable on a WRANGLER X Unlimited SAHARA 2007 ?? I Need to Attach some new FOG Lamps to the Original Fog Light Switch But I Cannot Find The Cable inside the HOOD, Can somebody Share some images to know where to find it ? THANKS.

I'm now kind of frustrated

Thanks in advance for all your answers.
Tapping into the OEM fog light switch wires will not turn on your new lights.
Connecting lights to the switch wires may actually screw things up.

This is how the fog lights work:

"The Steering Control Module (SCM) monitors a hard wired multiplex input from the left multi-function switch to determine whether the fog lamps are selected, then sends an electronic front fog lamp switch status message to the EMIC over the Local Interface Network (LIN) data bus and the EMIC relays an electronic front fog lamp request message to the TIPM over the CAN data bus.

"When the TIPM receives a front fog lamp request message it then controls front fog lamp operation by controlling a battery voltage output through high side drivers on right and left fog lamp feed circuits. The TIPM also sends the appropriate electronic message back to the EMIC to illuminate or extinguish the front fog lamp indicator. In certain markets where required, the TIPM will automatically de-energize the front fog lamps any time the headlamp high beams are selected."

Last edited by ronjenx; 08-16-2010 at 09:02 PM.
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post #4 of 10 Old 08-16-2010, 09:36 PM
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Hey ronjenx could you use the hot to the fogs as a trigger for a relay on aux lights without messing with the canbus ? Thanks ......

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post #5 of 10 Old 08-16-2010, 09:44 PM
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Hey ronjenx could you use the hot to the fogs as a trigger for a relay on aux lights without messing with the canbus ? Thanks ......
It depends on if there is straight power on the line. If it is a pulse width modulated voltage, like (I believe) the headlights, the relay may buzz.

The description of the fogs says the TIPM sends battery voltage to the fogs, so I suspect your suggestion will work.
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post #6 of 10 Old 08-16-2010, 09:54 PM
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Originally Posted by ronjenx View Post
It depends on if there is straight power on the line. If it is a pulse width modulated voltage, like (I believe) the headlights, the relay may buzz.

The description of the fogs says the TIPM sends battery voltage to the fogs, so I suspect your suggestion will work.
Thanks , I thought it might due to the small amount of current needed to trip the relay .

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post #7 of 10 Old 08-17-2010, 12:18 AM Thread Starter
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It is a SAHARA 4x4 4 doors I'm GOing to Replace The new Ones, BUT The new Ones are H3 and It Appears Like The OEM Relay Its not compatible because the Bulb get to much Energy (not enough to damage it) but it turn on and 2 seconds later it turns off.

I'm going also to put a new pair and for both cases If I Connect The Fog Lights To The Battery It is goes well But They are not turned on with the Original Fog Light Switch.

I don't Know what To Do, What Do you Recommend Me ?? =D
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post #8 of 10 Old 08-23-2011, 12:25 PM
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OEM Fog Light Switch Cable followup?

Would be nice to get a follow-up on this post? I'm in the same boat right now, trying to wire up KC Apollo (55w) fog lights to work off the OEM foglight switch on the steering column. Any thoughts?
I may need to start a new thread...
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post #9 of 10 Old 08-23-2011, 12:45 PM
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Quote:
Originally Posted by Cibert View Post
It is a SAHARA 4x4 4 doors I'm GOing to Replace The new Ones, BUT The new Ones are H3 and It Appears Like The OEM Relay Its not compatible because the Bulb get to much Energy (not enough to damage it) but it turn on and 2 seconds later it turns off.

I'm going also to put a new pair and for both cases If I Connect The Fog Lights To The Battery It is goes well But They are not turned on with the Original Fog Light Switch.

I don't Know what To Do, What Do you Recommend Me ?? =D
Just like Ron and Fern said, go through a relay instead of strait to the lights.
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post #10 of 10 Old 08-23-2011, 08:07 PM
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X2, Connect the 12 volt positive wire from the fog light circuit to an aftermarket relay. Then, when you use your OEM fog light switch, your new lights will turn on. This method will work just fine unless you are using your OEM fog lights as Daytime Running Lights ( DRL's ).

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