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Wiring Harnesses

SHOP MOTORCYCLE WIRING HARNESSES

Chafed, melted or modified wiring? We stock genuine OEM wiring harnesses and leads, including a Triumph Street Triple 675 main wiring harness, a Daytona 675 earth lead and a Rocket III instrument rework kit.

Electrical faults can be hard to track down, so read how motorcycle engine diagnostics work before you start cutting into the loom. A faulty switch can look a lot like a wiring problem, and poorly fitted alarms are a common cause of damaged harnesses. More parts are in our electrical & electronic parts.

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FAQ – Motorcycle Wiring Harnesses

When should I replace a wiring harness instead of repairing it?

If there's widespread heat damage, corrosion or many bodged repairs, a replacement harness is usually more reliable.

What are the signs of a bad earth lead?

Dim lights, slow starting, flickering gauges or intermittent electrical faults often point to a poor earth connection.

Is a used harness safe to fit?

Yes, if it's in good condition. Check for chafed insulation, corroded connectors and broken clips before fitting.

Will a harness from another year fit my bike?

Only if the part number matches. Harnesses change with ECU, lighting and sensor updates.

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