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I'm looking to upgrade my headlight wiring harnesses to heaver guage wire. Does anyone know where I can get male and female 9007 plugs? any place on the internet?
Mike,
Check out these kits. I upgraded mine and it made quite a significant difference. Not sure if your '03 has it's headlight power wired through the switch, but on my '97, it was wired that way resulting in a significant voltage drop. This kit was super easy to install (1/2 hour). Good luck!!
Regards,
Rod