Kcq-yb-yx01-v4.0

Ensure the wire harness is securely connected and not frayed.

If you are experiencing connection or interface issues with this board: kcq-yb-yx01-v4.0

The KCQ-YB-YX01-V4.0 represents the current state of budget electronics: decent hardware let down by questionable software. If you are a tech-savvy user or just need a reliable wireless probe for a good price, this is a solid "buy," provided you have patience with the setup process. Ensure the wire harness is securely connected and not frayed

Short press the power switch while the unit is on to toggle headlights. this is a solid "buy