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Dashboard Wiring Harness
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Wiki page
5L V8 Naturally Aspirated Coyote V8 (435hp).
Quick reference
Verify mounting bracket differences with different trim levels
Confirm compatibility with specific engine options before purchase
Context
When replacing the dashboard wiring harness on a 2018 Ford Mustang with the 5L V8 Coyote engine, you will want to source part number FR3Z-14A411-A. This harness is crucial for connecting various dashboard components and ensuring proper electrical functionality. Common inspection points should include checking for frayed wires, corrosion at connectors, and any signs of wear. Installation involves disconnecting the battery, removing trim panels, and carefully routing the new harness without pinching any wires. Be aware that while this part fits 2015-2020 Mustang models, different engine variants may have specific wiring differences. Always verify part compatibility, especially if sourcing from a junkyard, as some connections may vary by trim level or option package.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2018 | Ford | Mustang | 5L V8 Naturally Aspirated Coyote V8 (435hp) | 80% |
Available parts

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