Headlight Wiring Harness

I have 99 Gp Gt. Right now I have Xenon bulbs 65/55, the stock wattage. I want to upgrade to the 90/100. I have been hearing that I need to get a new wiring harness so I don't overload the wires because its drawing more power. If so could someone give me a link to one? How hard are the harnesses to put in? Also my friend who works at a dealer says he has some cars that come in that blow alternators cause the bulbs are using so much power. Will this affect my car? My guess is no but I wanted to ask anyways. Let me know what I should do. Thanks!

I have 99 Gp Gt. Right now I have Xenon bulbs 65/55, the stock wattage. I want to upgrade to the 90/100. I have been hearing that I need to get a new wiring harness so I don't overload the wires because its drawing more power. If so could someone give me a link to one? How hard are the harnesses to put in? Also my friend who works at a dealer says he has some cars that come in that blow alternators cause the bulbs are using so much power. Will this affect my car? My guess is no but I wanted to ask anyways. Let me know what I should do. Thanks!

There is at least 2 sites 3800performance.com and LPerformance.com that sell a HID conversion kid that will do such a thing.
IT will allow you to use higher amperage bulbs without burning your cables, brakers or Relays. Bue definetly you need to get this hardware to not harm your ride.