• Holding junction A puts it in trim mode.

    Have you tried holding a shift lever till you get a light. That's the battery indicator.

  • yeh, doesn't work at all, no lights when holding any of the shifters on either levers, no movementson the front and rear mechs.

    I'll be taking the shifters and Junction A to Condor today as ribble said it's just a firmware update as 2 shifters being defective is highly unlikely.

  • Does sound unlikely that both shifters would have issues. You can unplug one and still use the other, or unplug a mech and use the other. It's all independent.

    So both not working points to something else.

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