Gear position: 4-position three gear rotary switch. 1 x Rotary Switch. Easy to use: 4 positions(0-1-2-3): Position 1: (B - C)/(B - L)/(B - M)/(B - H)OFF; Position 2: (B - C - L)ON, (B - M)/(B - H) OFF; Position 3: (B -C - M)ON, (B - L)/(B - H)OFF; Position 4: (B - C - H)ON, (B - L )/(B - M)OFF.
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