It is important to understand how these switches are wired before attempting to troubleshoot or replace. If you want more than three locations to control the lights you will need a 4 way switch for each of those extra locations.
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4 way switch wiring troubleshooting. If more than three switches are needed simply place more 4 way switches between the three way switches. Quick video describing how to hook up a 4 way switch. If any function does not have a correct power reading at the 4 way plug test the wiring going into the converter box from the vehicle side. It appears that some of the instructions are incomplete. Behind the converter box. Remove all of the.
Wiring the switches in the 4 way box connect the pair of wires from the first 3 way switch to the in pair of screws of your 4 way switch. I am trying to follow your drections in the following fixing 3 way switch 4 way switch wiring problems. In the first 3 way switch box connect the pair of wires leading to the 4 way box to the out pair of screws on the. Place all the 4 way switches between the two 3 way switches. As you will see most 4 way switch wiring is placed between the wiring of two 3 way switches therefore a 4way switch is installed with two 3way switches. Do not plug a trailer into the 4 way plug until function has been verified with a circuit tester.
Using a continuity tester on the 4 way switches check continuity between one of. For a 4 way light circuit to work you need two 3 way switches and at least one 4 way switch. 4 way switch configurations are used to control lights with three or more switchesa 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switchesthey do not have an onoff position like single pole switches. Pay close attention to the colors of the screws on the 4 way switch and understand that one set of wires are attached to one set of screws and the other set of wires attach to the other set of screws. If functions are correct at the 4 way plug proceed to testing on the trailer. Repeat for the other 3 way switch box.
This should help when you didnt mark the wires and cant figure out how to get it back. Test a 4 way switch turn off power to the switches at the circuit breaker and using a tester make sure power is off. Follow the how to troubleshoot 3 way switches link to test the 3 way switches. 4 way switch wiring 4 way switches provide switching from three or more locations. Getting this reversed is a common mistake that is made when wiring 4 way switches. I believe there should be more detail after now its time to be careful can you provide me with a complete set of instructions as soon as possible.
Quick 4 way light wiring.
Gallery of 4 Way Switch Wiring Troubleshooting
