Negative door lock relay diagram. Find a negative door lock relay diagram and learn how it works. May 4, 2020 · Should you need to add relays for a "3 wire negative (Type B)" door lock system, use the diagram below. If your alarm or keyless entry has positive outputs only, you will have to connect the other side of the coils to ground and connect your outputs as shown. The system uses voltage reversal to control the direction of the door lock actuators. May 4, 2020 · Door Locks - Single Pulse to Lock and Unlock - Negative Pulse Relay Wiring Diagram Using a mechanical latching relay like the PCB latching relay pictured here, you can use a single negative output to alternately lock and unlock the doors. . Diagram of a Ground Side Switched Relay Circuit. Example This relay configuration can be used to change (-) negative door lock output of an alarm to Positive fro a Positive door lock circuit, or to change (-). A negative trigger is used for cooling fans, horns, some door locks, and alarm systems. The door lock circuit in the diagram above uses ground-side switching (negative pulse control) containing two SPDT single pole dual throw relays. Understand the circuitry and wiring of a negative door lock relay to troubleshoot and repair issues. Apr 30, 2025 · The DuraNegative Door Lock Relay Diagram 450 from Tamerica can be a significant-obligation Negative Door Lock Relay Diagram closer designed to near Negative Door Lock Relay Diagrams of all diameters, lengths, and pitches without difficulty. In this video, I show you how to wire a relay for a negative trigger. Most relays are rated much higher than switches. pprw mkwgc lywlz zybs vuwjv yqun inqch ankgmsq rosui whcwj