Here is an easy way to convert your 02'-03' signals to work w/ 04'-05' USDM or JDM headlights. There is no need to cut your OEM signal wire harness or dremel out the headlight housing. All this takes is a little creativity & patience. It took me all of 30mins to do.

Here is what you need:
- 12g Green & black wire(I used the same colour Honda does as to not creat any future confusion)
- 1pkg heat shrink tube
- Male & female connectors(make sure they fit snug over the connectors)
- Electrical tape
- Heat source ie, heat gun(I went w/ the ghetto method BBQ lighter)
- OEM light sockets
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Difference b/w sockets:
- The 04'-05' on the left is smaller & has tiny male pins
- The 02'-03' on the right is larger & has bigger male prongs
- They are not interchangable into different gen headlights
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02'-03' OEM wire harness & connector:
- Hard to see, but it has two female connectors
- One is attached to a grren wire the other to a black wire(be sure to match them up when making your DIY harness)
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DIY harness:
- Here they are, each wire has a male & female connector crimped on
- Make sure they are secure, soldering is a option @ this point
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OEM(female) & DIY harness attached:
- Press the male connector into the female OEM connectors(match the colours)
- Make sure they are secure & will come out w/ moderate force
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OEM(male) & DIY harness attached:
- Slide the female connectors over the male pins
- Make sure they are snug & not contacting one another
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Exposed DIY harness complete:
- Here is what it looks like before you put on the heat shrink tube & seal it up
- Make sure you don't melt the wires or connectors when using the heat source
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Completed harness:
- Here it is all sealed up
- Now do the same to the other side & voila, you have signals
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