Check out this video to learn how you can replace damaged wires in your vehicle, then check out 1AAuto.com to get the supplies and tools you'll need to DIY
How to remove, replace and install the rear ground effects and spoiler on a third generation Chevy Camaro IROC Z. This video applies to year models 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, and 92.