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Wiring harness - passenger footwell (right side)

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I was hearing sloshing sounds which turned out to be plugged rocker panel drains holding a bunch of water. Checking under the carpet in the passenger footwell I found a bit more water and the foam under the carpet was soaked.

Coincidentally, I also started getting an intermittent "Check License plate light" message which then progressed to a "Check Reverse Lights" message. In checking my lights, it turns out I have no brake lights either.

Figuring the moisture in the footwell might have something to do with the light issue, i pulled back the wet carpet to find a damp wiring harness. The wires inside the plastic conduit are fine but the taped section running up the firewall was damp so I unwrapped the tape holding all of the wires together and found two obviously broken wires, and also three sets of wires taped together at the end and a bunch of corrosion.

The problem I have is that I can't tell if these wires were connected to anything else or just to each other.

There are three sets,

2 small red w/yellow stripe
3 green w/red stripes
3 larger red w/yellow stripes.

Any chance somebody can help?

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I fixed the two broken wires, redid one of the corroded connections and suddenly I have my brake lights, reverse lights, and tail lights back!

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