ATV power steering warning light: low voltage and connectors
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Applies to: Arctic Cat Alterra 600 and other ATVs with electronic power steering
Symptoms
- EPS light on, steering heavy
- Assist cuts in and out
- Light comes on at idle or with lights and winch running
Why it happens
Electronic power steering needs full voltage. A weak battery, poor ground, low charging output or a wet EPS connector make it shut off assist.
How to fix it
- Test the battery and charging voltage.
- Clean the main ground and EPS power and ground connections.
- Check the EPS fuse and connector for water.
- Read EPS fault codes per the manual.
Tools and parts
- Multimeter
- Dielectric grease
What the factory service manual covers
Electrical: EPS circuit, fault codes, charging system tests. The full procedure, specs and wiring diagrams are in the factory service manual for your machine.