C500 Chassis Connector
Pin Function Wire Color Junction Location Junction Color
A2 Ground BLK Chassis  
B3 +12v From Alt. Light BRN Dash  
C1 Back Up Light +12v BLU Transmission  
C2 Coolant Sender Signal L. GRN    
C3 Tachometer from IGN WHT Ignition Module GRN
D1 Coolant Fan Dk. GRN/WHT J7 IGN OUT; PIN E DIG OUT 1 WHT/BLK
D2 Coolant Fan L. GRN/BLK Not Used Not Used
D3 Idiot Light Coolant Dk. GRN    
E1 Back Up Light Switched Lt. GRN Transmission  
E2 Neutral Start - To Starter PPL Starter