When air brakes begin to fail – you need to know now. The Wig Wag Low Pressure Indicator consistently provides this critical information. As air brake system pressure drops below a safe level, the Wig Wag arm (mounted above the windshield) instantly drops into the driver’s forward field of view warning “Stop Low Air”
Has Prerequisite
![A man applying grit guard to a wheel end](https://www.stemco.com/wp-content/uploads/2020/07/tqm-grit-guard-thumb-300x168.jpg)
![A man applying grit guard to a wheel end](https://www.stemco.com/wp-content/uploads/2020/07/tqm-grit-guard-thumb-300x168.jpg)
TQM Wheel End Part 2 – Grit Guard® Installation
Requires TQM Wheel End Training Part 1