How to solder wires into the turn signal pigtail connectors

Discussion in 'Prius c Main Forum' started by CARSFAN4, May 24, 2025 at 2:13 PM.

  1. CARSFAN4

    CARSFAN4 Junior Member

    Joined:
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    Location:
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    Vehicle:
    2015 Prius c
    Model:
    Two
    I got a 2015 Toyota prius c. I ordered 2 pigtail connectors for the turn signal wires so I can connect it with the pigtail female connector of the bulb base. The dealer sold me only the bare connectors without the wires because those were the only ones he could order.

    Now I have this problem of soldering or... the harness wires into these bare pigtail male connectors so I can plug them into the female pigtail connector from the turn signal bulb base.
    Can someone tell me if it is possible?

    If not, can I just use separate regular electrical connectors to connect them one by one into the bulb female pigtail ?
     

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  2. ChapmanF

    ChapmanF Senior Member

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    Location:
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    Vehicle:
    2010 Prius
    Model:
    IV
    At first glance, it looks as if you've got only the connector housings there, no terminals at all, therefore nothing to solder connect to.

    You also generally need the terminals, or the "repair wires" Toyota sells, which have the metal terminals to click into those housings, and a short length of wire already attached, which you then solder parallel-crimp to the wires you want to connect to.

    You look up those repair wire part numbers like this (that's an example, those aren't the numbers for you). When you look your own up, you also see the part numbers for the parallel crimps to use for the connection.

    Solder on flexible wire harnesses in moving vehicles makes them brittle, which is why auto, air, and marine manufacturers won't use it. They do use it on things like printed circuit boards, of course, where everything is solidly in place.