II
Clean +12V Power and Ground:
Inductive devices that may share a circuit or power supply with the
keyless entry system can cause noise on the power or ground
connections that could cause unexpected behavior in the security
system, including artificial brown-outs. Make sure that all electric
devices that generate magnetic fields powered by the same power
source as the keyless entry system have proper noise suppression in
place, such as TVS diodes or properly sized decoupling capacitors to
handle transients that can generate when the induced magnetic fields
collapse. Problematic devices include solenoids and electric motors.
Summary of Contents for 24324-02
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