Sea-Doo Main Wiring Harness 278003720 – 2019 GTX, Fish Pro & Wake Pro

Sea-Doo Main Wiring Harness
Main wiring harness for selected 2019 Sea-Doo watercraft.
This is the main hull-side electrical loom, connecting essential components including the ECU, iBR system, handlebar harness, fuse box, starter-solenoid supply and electrical grounds.
Ideal for replacing a damaged, corroded or unreliable original harness.
Product Details
Complete main hull wiring harness
Direct replacement for the original loom
Correct connectors and cable lengths
Part number: 278003720
Fitment
Catalogued for selected 2019 models, including:
 
2019 Sea-Doo Fish Pro 155
2019 Sea-Doo GTX 155 – Fish package
2019 Sea-Doo Wake Pro 230
 
Main wiring harnesses can vary according to the exact model, engine and factory package. Please send us your full Hull Identification Number before ordering so we can confirm compatibility.
 
BAY 6