Brake lights/Horn in-op.

[Vtecwreck]

So I finally got my car up and running. I took it for a drive and I was told my brake lights are not coming on. However, my running lights come on as well as my turn signals. I have tried troubleshooting this myself but I just can’t figure it out. My car had a boatload of spliced to the chassis harness. Recently I moved around some wires and stepped away from the car for a second and I heard the horn go off. When I pressed the horn button it didn’t work. Since then it hasn’t happened again. If anyone has any input that can help please let me know.

Here’s what I’ve done:
Check #52 fuse in Hood Fuse box
-Fuse was good but I replaced it anyways as a precaution
Replace brake light switch
-I had a spare brake light switch laying around so I tried it and still nothing(could be faulty as I never seen it work. Will be getting a brand new one today)
Replace bulbs
Inspected Harness
- the switch did not have any splices or anything
- I have a 4-prong connector and there’s 5 wires at the switch, two white and green that splice and become one.
-I came across a relay at the left rear quarter panel area. The relay is located at the same place as the plugs for the interior trunk light and the antenna plug. I did notice a white and green cable that seemed to be the same gauge, but it had different markings on it.
Inspected taillights
- one of the taillight socket has some corrosion on the outside but my running lights work fine.

As for the Horn:
Replaced horn with a spare.
-horn still did not work.

This is the only thing keeping me from enjoying my car. I’ve driven it with my brother following me and turning on my hazards but I rather not risk it.

Thanks in advance!

[RTW DC2R]

Do you have the Helms to trace the circuit? Have you chased wires or checked with multimeter to see if you are getting power to the lights?

[Vtecwreck]

No and no. Since my DRL work fine I’m assuming that they’re getting power.

[RTW DC2R]

Other lights might work fine, they arent necessarily on the same circuit.

[Vtecwreck]

Found the issue! Wires were cut for some odd reason. Searching for the connector with pigtails for brake switch.