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  1. #1
    Member
    Join Date
    Dec 2018
    Location
    Lake St. Clair, MI
    Posts
    1,647

    NItro Tandem Trailer Wiring Question - 2016

    Looking to see if anyone has a Trailstar wiring color diagram. Here is what I have coming form the trailer and wanted to put in a 7 pin blade but need to match them up. Nitro / Trailstar tandem trailer has 4 wires coming out each side and I damaged the connector and want to go to a 7 blade round. I'm overthinking it I'm sure. Here is what I have and think.

    It's just a standard 7 blade Pollack hooking to the truck. Snipped wires without taking notes and I'm lost trying to match them up to the connector. Are some doubled up ?

    2 brown (believe these are side markers)

    2 blue w/ brown stripe (undetermined) What would these be used for ?

    1 yellow / brown stripe (left turn signal)

    1 green / yellow stripe (right turn signal)

    2 white w/ brown stripe ( believe these are used in the turn signals / brake )

    1 Blue (brake back-up solenoid) '

    1 Solid white Ground.
    Scott
    2016 Nitro Z20 Pro
    Serial # 2B125401 - 250ProXS DFI/TM2


  2. Member
    Join Date
    Jun 2021
    Location
    Manassas, VA
    Posts
    152
    #2
    Everything you need to know about trailer standard wiring including all standard connector types and brake set ups. eTrailer link below. Best ~dave

    https://www.etrailer.com/faq-wiring....0413-A-Wir-edu
    ~ Dave
    2022 Nitro Z21xl 250 ProXS
    HDS Live 12 B&C/Ghost/AT

  3. Member
    Join Date
    Dec 2018
    Location
    Lake St. Clair, MI
    Posts
    1,647
    #3
    [QUOTE=DavL;13468146]Everything you need to know about trailer standard wiring including all standard connector types and brake set ups. eTrailer link below. Best ~dave

    Thanks Dave , the link helped explain most of what I needed the part that is confusing is there is no black power wire on the trailer side m. Perhaps these are the two white with brown stripe ? The others match up
    Scott
    2016 Nitro Z20 Pro
    Serial # 2B125401 - 250ProXS DFI/TM2


  4. Member
    Join Date
    Feb 2017
    Location
    Houston, TX.
    Posts
    521
    #4
    I damaged the connector on my 2017 trailer sometime last year and repaired it by wiring in a 7 pin plug. I don't remember all the wiring details, but I found the pics I took trying to help me figure it out before I cut it off. Maybe they will help.








    '17 Nitro Z21, 250ProXS serial # 2B399616, 24p Fury4, 12" Atlas, Apex 16 @ console, Apex 16 & Apex 13 @ bow, Mega 360, Ultrex, 8ft blades

  5. Member
    Join Date
    Dec 2018
    Location
    Lake St. Clair, MI
    Posts
    1,647
    #5
    Thanks for posting. This confirms what I had been thinking. I've got a long weekend and will use this.
    Scott
    2016 Nitro Z20 Pro
    Serial # 2B125401 - 250ProXS DFI/TM2