Get an innova digital auto multimeter like the one in the video on Amazon here → http://www.amazon.com/gp/product/B000EVYGZA/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B000EVYGZA&linkCode=as2&tag=httpwwwyou00f-20&linkId=2KS2TQF5V4QEWODO
Thumbs up Mandy's video here → https://www.youtube.com/watch?v=h54AnKbSfyQ
See Ericthecarguy's Voltage drop test here → https://www.youtube.com/watch?v=W2cFuheKBgQ
Get a suck squeaze bang blow shirt from oily rags here → http://oilyragclothing.com/index.php?route=product/product&path=60_69&product_id=89
See Soham Koli's knock sensor slide show here → http://www.slideshare.net/SohamKoli/knock-sensor
The Knock Sensor Video
