The main cable loom on your Ender 3 S1, S1 Pro, or S1 Plus is a complex bundle carrying power and signals to the toolhead, including the extruder motor, hotend thermistor and heater, part cooling fan, CR-Touch probe, and X-axis limit switch. Over time, constant flexing can lead to wire fatigue, intermittent connection issues, or complete failure . If you're experiencing erratic toolhead behaviour, this guide will walk you through replacing the entire main cable assembly using an official Creality replacement kit . The process involves carefully disconnecting the old loom from the mainboard and toolhead, routing the new cables with proper strain relief, and securing everything to prevent future damage. We recommend using genuine Creality cable kits to ensure correct wire colours, connector types, and lengths, soldering/re-crimping is not required, as the replacement cables are designed to plug directly into your printer's existing ports .
TABLE OF CONTENTS
Install Video/Guide:
Note: If you have trouble removing hot glue, you can apply some dab some 99% Iso Alcohol onto the hot glue to soften it up.
How to replace quick video:
Credit: https://www.youtube.com/@3DMCreates
Spare Replacement Reference in this install guide:
Replacement Looms(Ender 3 S1 Pro/Ender 3 S1): Cable Bundle / Toolhead Cable Toolhead Only
Replacement Ender 3 S1 Plus Cable Loom
Replacement CR-10 Smart Pro Cable Loom
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article