The DeatschWerks C105 is the dual speed controller that drives the DW650iL brushless in-line fuel pump. It holds the pump at 55% duty cycle for low speed cruising and steps to 100% duty cycle when the white signal wire is switched to ground, so fuel delivery follows demand instead of running wide open at all times. Input range is 8 to 26 volts DC with a 40 amp maximum, and digital thermal protection shuts the unit down at 105°C to protect the electronics. A 36 inch silicone insulated harness and a bulkhead wiring kit are included for retrofitting into a pump module, and the controller is ethanol compatible.
| Type | Dual speed brushless fuel pump controller |
| Input Voltage | 8 to 26V DC |
| Maximum Current | 40A |
| Low Speed | 55% duty cycle |
| High Speed | 100% duty cycle, triggered by grounding the white signal wire |
| Thermal Protection | Digital, 105°C |
| Wiring | 36 in silicone insulated harness; bulkhead wiring kit included |
| Pump Compatibility | DeatschWerks DW650iL brushless in-line fuel pump |
| Fuel Compatibility | Ethanol compatible |
| Weight | 11.8 oz (336 g) |
| Quantity | 1 |
| Part Number | C105 |
| Warranty | Limited lifetime |
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