Mace 80355 Wireless Home Security System "monitor lines across" Questions

monitor have lines going across them as if there is some sort of interference, do you know how to stop this ? Look for Totally tight cable connections. A break in the grounding causes the interference

...which the end of line resistor is not being seen from the panel. Each zone wire loop is constantly monitored using a resistor at the very end. This resistor is a specific value and is usually ...