| 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 | |||