Installing resistors for License Plate Light Out error? - 2014+ Jeep Cherokee Forums
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post #1 of 102 (permalink) Old 02-25-2014, 06:48 PM Thread Starter
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Question Installing resistors for License Plate Light Out error?

After browsing around the forum I've figured out what I need in order to install LED bulbs for the license plate housings without getting a license plate bulb out error. However, I have absolutely no idea what to do to or where to begin installing these items other than I know only one resistor is needed, preferably on the passenger side since there is more wire to work with, and it needs to somehow be connected to one of the wires leading to the license plate bulb housing (which wire, I have no idea!). I've tried browsing the forum but haven't found any kind of instructions on how to complete this install.

Could anyone help by providing a guide or step by step instructions on how to install the resistors? It would be of great help to me and I am sure to others as well looking to do the same thing. I've provided a picture of the wires leading the housing for reference, as well as a picture of the items I have to complete the install, which are solder, 27ohm 10w resistors, quick splices, and copper wire. If I am missing anything or recommend something else, please speak up because I'd rather get this right the first time. Thanks!



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post #2 of 102 (permalink) Old 02-25-2014, 09:37 PM
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Dont see a soldering iron or electrical tape, you may have them though...they will be needed.

How I did it...
Solder a couple inches of wire (strip say 1/2" of insulation off) to about 1/2" of the resistor leads (the rest can be trimmed prior). Wrap any exposed wiring (I did the whole thing) with electrical tape. The new wire you have soldered on doesn't need to be stripped on the end going in the quick splice. There are 2 grooves in the quick splice, one for the resistor that has a dead end and one for the wires leading to the bulb that's open on each end. Clip one side of the resistor leads to the black, other to the red wire going to the bulb.
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Last edited by clew; 02-25-2014 at 09:47 PM.
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post #3 of 102 (permalink) Old 02-25-2014, 09:53 PM
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Red electrical tape is wrapping the resistor and its leads, black tape was just tidying it up. I used some double sided 3m tape to attach the resistor to the housing so it wouldn't rattle around.




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post #4 of 102 (permalink) Old 02-25-2014, 11:04 PM Thread Starter
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Originally Posted by clew View Post
Dont see a soldering iron or electrical tape, you may have them though...they will be needed.

How I did it...
Solder a couple inches of wire (strip say 1/2" of insulation off) to about 1/2" of the resistor leads (the rest can be trimmed prior). Wrap any exposed wiring (I did the whole thing) with electrical tape. The new wire you have soldered on doesn't need to be stripped on the end going in the quick splice. There are 2 grooves in the quick splice, one for the resistor that has a dead end and one for the wires leading to the bulb that's open on each end. Clip one side of the resistor leads to the black, other to the red wire going to the bulb.

Yep I've got a soldering iron and electrical lying around somewhere. Thank you so much for the descriptive information. I will try tackling this job tomorrow

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post #5 of 102 (permalink) Old 02-25-2014, 11:07 PM
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No problem. If anything isn't clear let me know...and its always easier to err on the side of longer than shorter.

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post #6 of 102 (permalink) Old 02-25-2014, 11:26 PM
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post #7 of 102 (permalink) Old 02-25-2014, 11:57 PM
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Quote:
Originally Posted by Dundas View Post
After browsing around the forum I've figured out what I need in order to install LED bulbs for the license plate housings without getting a license plate bulb out error. However, I have absolutely no idea what to do to or where to begin installing these items other than I know only one resistor is needed, preferably on the passenger side since there is more wire to work with, and it needs to somehow be connected to one of the wires leading to the license plate bulb housing (which wire, I have no idea!). I've tried browsing the forum but haven't found any kind of instructions on how to complete this install.

Could anyone help by providing a guide or step by step instructions on how to install the resistors? It would be of great help to me and I am sure to others as well looking to do the same thing. I've provided a picture of the wires leading the housing for reference, as well as a picture of the items I have to complete the install, which are solder, 27ohm 10w resistors, quick splices, and copper wire. If I am missing anything or recommend something else, please speak up because I'd rather get this right the first time. Thanks!


Why go through all that you only get the error once you start the car it doesn't keep flashing up on your dash.....well no biggie for me I have a lease

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post #8 of 102 (permalink) Old 02-26-2014, 12:04 AM
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@Wildturkey its very simple and I'd rather not have the warning regardless of if its only at start up, would drive me crazy, ymmv. Took me less than 5 minutes (if you exclude time for the soldering iron to heat up).
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post #9 of 102 (permalink) Old 02-26-2014, 12:38 AM Thread Starter
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Originally Posted by Wildturkey View Post
Why go through all that you only get the error once you start the car it doesn't keep flashing up on your dash.....well no biggie for me I have a lease
because its not just an error message, its also a warning chime and I'd rather not have to listen to it every time I start the car.

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post #10 of 102 (permalink) Old 02-26-2014, 12:42 AM Thread Starter
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Originally Posted by clew View Post
Dont see a soldering iron or electrical tape, you may have them though...they will be needed.

How I did it...
Solder a couple inches of wire (strip say 1/2" of insulation off) to about 1/2" of the resistor leads (the rest can be trimmed prior). Wrap any exposed wiring (I did the whole thing) with electrical tape. The new wire you have soldered on doesn't need to be stripped on the end going in the quick splice. There are 2 grooves in the quick splice, one for the resistor that has a dead end and one for the wires leading to the bulb that's open on each end. Clip one side of the resistor leads to the black, other to the red wire going to the bulb.
From the description and the images you provided, I drafted up a visible diagram of how the installation should look. Of course, it is not to scale and placement of items will differ, but it's just a general idea of how it should all be connected. Is it correct or did I miss something?


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Last edited by Dundas; 02-26-2014 at 12:54 AM.
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