Review on Enhanced Solderless Stripping Connection by ALEDECO Connectors by Aaron Kindler

They make any job look professional and clean. Make sure it pierces through the plastic and latches the lid. You'll need pliers, but don't overdo it or they might break. I used to install projectors in my car doors and also wired under the steering wheel to install a remote starter. Everything works perfectly. since i did the job 12+ months ago, no bad contacts, never had to take apart doors or dash to check anything.