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The trunk light was not installed and was just laying in the trunk so I decided to try to reinstall. The wires were not hanging nearby behind the engine side trunk carpet, so I had to remove the carpet. I found the wires had been trapped under the carpet and one of them was frayed. I wrapped it in electrical tape (I'll do a better repair later) and all good.
However I noticed this other wire had frayed as well. I don't know what it might control. It's in a bundle of 3 or 4 wires (see picture) that go through to the engine bay through a hole and grommet in the trunk/engine bulkhead.
Would anyone know what this bundle is for? I again wrapped it in electrical tape and will do a better fix later. I think it is blue with red stripe.
It probably frayed as the clip that was holding the bundle was not attached and the bundle wasn't secured (or maybe mice).
I don't think you'll find anyone who can tell you what that wire is for.
Follow it, so you'll know what it's for.
Considering this damage to the wires, it's a good idea to check the entire electrical system, especially the wiring around the motor.
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Is this wire important? :)
