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Trailer brakes lockout device

Discussion in 'Boats & Boating Equipment' started by Steve Roquemore, Feb 23, 2021.

  1. Steve Roquemore

    Steve Roquemore Registered

    # of Dives: 2,500 - 4,999
    Location: Port St Lucie, Florida
    Been having lots of issues with a trailer we bought last year. One of those is there is not a way to mechanically lock out the brakes when backing up when the electrical override from the backup light fails. Here is my $6 solution.
    Johnoly likes this.
  2. Belzelbub

    Belzelbub Contributor

    # of Dives: 200 - 499
    Location: Largo, Florida
    I had the same coupler on my trailer up until a couple years ago. Not having a mechanical lockout was an issue on a couple occasions. When my mechanic tried to move the trailer with a forklift, it didn’t work very well. Only had an issue with my truck on a couple occasions.

    First time it happened, I pulled off the 5 pin connector and replaced with a 7 pin. That eliminated the adapter. When it happened again, I noticed corrosion inside the 7 pin. So, I got a new one, and this time, after making the connections, I filled the back side of the 7 pin with dielectric grease. No issues after that.

    I’ve since swapped that coupler for a non-surge coupler since I switched to a Hydrastar EOH unit that works with my trailer brake controller. Huge improvement in ride.
    Steve Roquemore and Johnoly like this.
  3. Tracy

    Tracy Dive Charter

    # of Dives: I just don't log dives
    Location: Livonia, MI
    I drill a hole in the side of the slider directly in front of the collar. Pull your coupler lock pin, stick it in that hole and back up. One 3/8 drill bit and 5 minutes time.
    Steve Roquemore and Coztick like this.
  4. Tracy

    Tracy Dive Charter

    # of Dives: I just don't log dives
    Location: Livonia, MI

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