2018–2021 Sea-Doo Spark Trixx — Main Wire Harness 278-003-200 (w/ IBR Model)

OEM 278-003-200 main wire harness for 2018–2021 Sea-Doo Spark Trixx with IBR (Intelligent Brake & Reverse). This complete main harness connects and distributes power and signals between the ECU/MPEM, IBR system, ignition system, fuel system, sensors, gauges, and other critical electrical components of the watercraft.

Designed to BRP/Sea-Doo factory specifications to ensure proper fitment, correct routing, and reliable electrical communication throughout the unit.

Condition: Used / Inspected
Compatibility: Sea-Doo Spark Trixx with IBR — 2018, 2019, 2020, 2021

⚡ Electrical Parts Policy / Disclaimer 

All electrical components, including but not limited to ECUs, CDI/MPEM modules, wiring harnesses, stators, voltage regulators, gauges, sensors, solenoids, IBR components, and any other electronic or electrical parts, are sold “as is.”

Due to the nature of electrical components and the possibility of improper installation, wiring issues, compatibility problems, or system faults beyond our control, all electrical parts are final sale.

• No warranty is provided on any electrical parts.

• No returns, exchanges, or refunds will be accepted on electrical components under any circumstances.

• The buyer assumes full responsibility for verifying compatibility and proper installation prior to purchase.

• Installation by a qualified technician is strongly recommended.

By purchasing any electrical part, the customer acknowledges and agrees to these terms.