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5V Power Board and Power Harnesses

Build instructions for 5V power system

    5V Power Harness

    All lengths are tip to tip (including any connectors)

    Connector side 1: Female M8 connector (McMaster Part #8605N11)

    M8 pinout:

    • Brown wire: 5V
    • Blue wire: GND

    Cut brown wire ~0.5 cm shorter than blue

    Connector side 2: Molex Micro-Fit 3.0 3 Pos connector (Molex Part #0436450300)

    Molex Micro-Fit 3 Position (5V Power) pinout – note location of the line indicating pin 1

    Molex Micro-Fit pinout:

    • Pin 1: unused
    • Pin 2: GND (black)
    • Pin 3: 5V (red)

    Use 22 AWG female terminals

    Pre-crimped wires are available. Molex part is 2147611201 (black) and 2147612201 (red)

    Cut black ~0.5 cm shorter than red

    Assembly instructions

    Components of 5V power harness

    1. Cut all wires as shown in the photo above
    2. Solder M8 brown wire to red Micro-Fit
    3. Solder M8 blue wire to black Micro-Fit
    4. Heat shrink each individual connection
    5. Place larger (glue lined, if available) heat shrink over both connections and extending onto the yellow sheath of the M8 cable
    6. Insert female MicroFit terminals into 3 position connector

    Result should look like below:

    Completed 5V power harness (on left) connected to 5V power board