Operation CHARM: Car repair manuals for everyone.

System Overview

WINDSHIELD WIPER SYSTEM
The AN or AN84 truck equipped with a highline CTM will utilize speed sensitive intermittent wipers. A base CTM will provide for intermittent wipers without the speed sensitive feature. The low and high speeds are controlled through the wiper stalk switch. The intermittent portion of the wiper control is handled by the CTM through the intermittent wiper relay. When the module detects a decrease in delay time as selected by the driver, an immediate wipe of the windshield takes place and the new delay interval is implemented.