No accessories drawing number drawing number reference accessories name 1DZ9200581021; horn rocker switch conversion 2DZ9200581022< - ! -- > after working lamp rocker switch 3DZ9200581023< - ! -- > auxiliary rocker switch light 4DZ9200581024 exhaust brake rocker switch; 5DZ9200581025 PTO selection rocker switch (small airlines JK937/022) 7DZ9200581028< - ! -- > reset switch 8DZ9200581029< - ! -- > clutch switch (Chang Bi)