Download CDL Prep app now
Scan QR code or get instant email to install app
Question:
A wig wag is a low air pressure warning signal. The device drops a mechanical arm into your view when the pressure in the system drops below 60 psi.
Comments
Your email address will not be published. Required fields are marked *
Comment *
Name*
Email*
URL
Save my name, email, and website in this browser for the next time I comment.
Comments