What does the second half of a relay do?
The second half of the relay is the “switch” that controls power to a particular accessory like a fuel pump or ignition system. In short, when the primary side of the relay (electromagnet) is activated, it closes the contacts (switch) to supply power to operate the accessory.
What should I do if my relay has failed?
Turn the ignition to the “ON” position and jump terminals 87 and 30 the relay is now jumped and the accessory should activate, if so the relay has failed. If no power is observed at either 87 or 30, the fusible link or maxi fuse has shorted.
What causes a control relay to ” stick “?
When excessive amperage has been drawn through a relay circuit it can cause the relay contacts to “stick” not allowing the power to be shut off to the accessory. Example: When an ABS system motor ages it will draw excessive amperage causing the control relay to “stick”.
Why is the trigger circuit on my relay not working?
If so the trigger circuit of the relay electrical system is working, if not continue to next step. ( Note: If the relay clicks and the circuit is still not working there is a good chance the contacts inside the relay have shorted.)
What are the buttons on a pathfinder light controller?
The handheld controller features (14) backlit push-buttons, and the ergonomic design provides convenient volume control and push-to-talk button on the side of the controller. It also has a magnetic mount and includes brackets for fixed or swivel mounting.
How does the rear expansion module work on a pathfinder?
The Rear Expansion Module makes installation faster and easier by giving you full control of OEM brake, tail, turn, reverse, and third brake light lighting without the use of additional flashers. (9) blackout relays are also included that allow trained officers to have the ability to cut off all rear lighting to avoid detection.
Why is a clicking sound coming from the starter relay?
Clicking sound coming from the starter One of the most important – and most forgotten – components of any vehicle’s ignition system is the starter relay. This electrical part is designed to redirect power from the battery to the starter solenoid, which then activates the starter to spin over the engine.
Is there a blackout relay for a pathfinder siren?
(9) blackout relays are also included that allow trained officers to have the ability to cut off all rear lighting to avoid detection. 24-Channel Expansion module works with any Pathfinder siren to provide an additional (24) flashing outputs to a Pathfinder system.