Electric System LEXION 500 TIC M-18 Lex-e-M 03/05 Module A34 – Grain tank Pin Function Component Measuring Direction Circuit variable diagram no. 2 l Swing in grain tank unloading tube Y34 12 V Output 14 4 l +12V F37 12 V Input 14 5 l Swing out grain tank unloading tube Y33 12 V Output 14 6 l Earth -31 Earth Input 14 8 l Grain tank unloading ON Y35 12 V Output 15 2 r Seat contact Z5 12 V Input 15, 17 4 r Grain tank unloading tube swung out Z30 Earth Input 15 5 r Swing in grain tank unloading tube S88 Earth Input 14 6 r Swing out grain tank unloading tube S87 Earth Input 14 8 r Grain tank unloading ON S31 Earth Input 48