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DeatschWerks C105 Brushless Dual Speed Fuel Pump Controller
DeatschWerks part C105 is a brushless dual speed fuel pump controller included with DW440 and DW650iL brushless fuel pump kits. The controller accepts an 8 to 24 volt DC input and generates a digital signal for precise speed and torque control of the fuel pump, switching between a 55 percent duty cycle low-speed setting and a 100 percent duty cycle high-speed setting activated by a ground switch.
Key Features
- Dual speed control with a 55 percent duty cycle low-speed setting and 100 percent duty cycle high-speed ground switch activation
- Rated for up to 40 amps of current
- Digital thermal protection engages at 105 degrees C
- Anodized T6061 aluminum housing
- Includes a 36 inch wiring harness with high-temperature silicone insulation and 12 AWG power and ground wiring
Fitment
Universal application. This controller is designed for use with DeatschWerks DW440 and DW650iL brushless fuel pump kits and is not vehicle specific.
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | C105 |
| Controller type | Dual speed, 55 percent duty cycle low speed |
| Voltage input | 8 to 24 volts DC |
| Maximum current | 40 amps |
| Thermal protection | Digital, engages at 105 degrees C |
| Housing material | Anodized T6061 aluminum |
| Weight | 11.8 oz (336 g) |
| Overall dimensions | Approximately 90 mm wide by 43 mm tall |
What's Included
- 1 DW brushless dual speed controller
- 1 36 inch wiring harness with 12 AWG power and ground wiring
- 1 4-pin, high-current GM-style bulkhead wiring kit
About DeatschWerks
DeatschWerks designs and manufactures fuel system components, including fuel injectors, fuel pumps, and pump controllers, for performance and racing applications.
FAQ
What fuel pump kits use this controller?This controller is included with DeatschWerks DW440 and DW650iL brushless fuel pump kits.
What is the difference between the low and high speed settings?The low-speed setting runs at a 55 percent duty cycle, while the high-speed setting runs at a 100 percent duty cycle activated by a ground switch.
What voltage range does this controller accept?The controller accepts an 8 to 24 volt DC input.
What wiring is included?A 36 inch wiring harness with high-temperature silicone insulation, 12 AWG power and ground wiring, and a 4-pin GM-style bulkhead wiring kit are included.
Does this controller include overheat protection?Yes. It has digital thermal protection that engages at 105 degrees C.
Is this controller legal for use on public roads?DeatschWerks states this product may be used solely on vehicles used in sanctioned competition that are never used on a public road or highway, unless permitted by a specific regulatory exemption.
Is a high load switch required?DeatschWerks recommends a high load switch or trigger for voltages above 18 volts.
Is professional installation recommended?Yes. Wiring a fuel pump controller involves high current connections and should be performed by someone experienced with automotive electrical systems.
Installation Instructions
- Disconnect the vehicle battery before beginning fuel system electrical work.
- Mount the controller using the corner mounting holes in a location protected from heat and moisture.
- Connect the red wire to 12V key-on or B+ power and the black wire to chassis ground.
- Connect the white wire to the high speed or PWM input signal source.
- Connect the controller to the fuel pump using the supplied bulkhead wiring kit.
- Reconnect the battery and verify correct pump operation at both low and high speed before normal use.
Prop 65 Warning
WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
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