ELM 327 OBDII readers: https://amzn.to/2lmRhw9 (Amazon Affiliate)
18 Gauge Tap Slices: https://amzn.to/2XRBYsW (Amazon Affiliate)
CRC Battery Cleaner: https://amzn.to/2lpAeK0 (Amazon Affiliate)
Permatex Battery Protector: https://amzn.to/2lj1wBz (Amazon Affiliate)
Battery Terminal Cleaning Brush: https://amzn.to/2llDztp (Amazon Affiliate)
DashCommand: https://www.palmerperformance.com/products/dashcommand/