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burnt wires, engine bay

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Old Apr 3, 2019 | 06:45 PM
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Default burnt wires, engine bay

Good morning/evening everyone! A few months ago I had a small fire in my engine bay, on the right side. The wiring harness fell down onto the exhaust manifold and burnt/melted the connectors/wires in the area. I'm aware that the upstream and downstream o2 sensor wires were melted, but I'm not entirely sure on how to go about putting these wires back together, aside from more wire and butt splices/connectors. The problem is, I'm not sure what all was affected in the fire. I'm going to attach some photos and caption and circle some areas. If anyone has/can take a picture of this area in their car, I may be able to piece it together. Any and all help and advice will be welcome! Thank you for reading, and thank you in advance.

the bottom set come from the upstream o2, the back set are what i'm not sure are or how to reconnect to the others, and the downstream o2 under the car.

this is the bottom set going into the upstream o2 sensor.

the back set of wires come out of this wiring harness, there was no other damage to this harness.
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Old Apr 3, 2019 | 07:37 PM
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Just an FYI concerning repair of O2 sensor wiring from my 2001 FSM !!….you can't just splice the wiring !!

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Old Apr 3, 2019 | 07:56 PM
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If It were me, I'd figure out the portion of the wires that were affected and replace that part of the harness. It will be easier, cheaper and a better solution on the long run.

Last edited by billschroeder5842; Apr 3, 2019 at 07:56 PM.
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