Jump to content

Welcome to TheMalibuCrew!

As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. It's free and it's easy, so don't hesitate to join the TheMalibuCrew Family today!

Trailer brakes


Recommended Posts

Got the boat out of storage today and as I was backing up the driveway the brakes locked up and would not allow me to go any further back. Only option was to pull forward, turn around and drive up the driveway. Driveway has slight incline but not excessive and didn't have trouble last fall when I bought the boat. Any suggestions would be helpful as I am worried I may need to back up some type of incline eventually.

Link to comment
martinarcher

Most boat trailers have a brake reverse disable lever on the tongue. Check your trailer for one. A boat trailer uses force applied to the tongue to apply the brakes and that is exactly what backing up does to the tongue - it applies the brakes. Throw your reverse brake disable and you'll be good to go. Thumbup.gif

Link to comment

Your trailer should have a 5 pin connector, the blue (I think) wire is for the solenoid that locks out the brakes when the reverse lights on the tow vehicle come on. Either you have a bad connection, bad solenoid, or something is up with the truck.

You can also manually lock out the brakes with the adapter (or a small stone if you are desperate) that probably came with your trailer manuals.

-Chris

Link to comment

If your trailer has the 5 pin connector but your car only has a 4 pin connector, you can plug the trailer plug into the car plug so that only the 5th pin on the trailer side that controls the trailer reverse lockout solenoid is plugged into the pin for the reverse lights on the vehicle side. It sort of forms a T with only one pin on each plug connected. Obviously, do not drive this way, but you can configure it this way to get up your driveway.

Link to comment
Dang! You guys and your fancy electrically actuated reverse lock outs! What happen to the good old days of maually locking them out. Biggrin.gif

In the good old days the brakes were drums and you could back up all day without locking them out.

-Chris

Link to comment
If it does pop up again how would I bypass the locking device on the trailer. I have not got a trailer manual.

This may be the dumbest response but is it plugged in when you backed it up? If not then try that. Every once in a while I will hook up a trailer that has brakes when I have to re-arange the yard and forget to plug it in.

Link to comment

Hard to believe a picture of this isn't available. Basically instead of plugging the 5 pin connector in like normal, you just want the blue wire connected to something that is hot. I believe the yellow wire is tail lights.

5pin.jpg

Or there is a small "key" that goes in the slot ont he far left of this pic.... keeps the brakes from engaging. Probably available from any auto parts store.

COUPLER.jpg

Link to comment

Brown is actually the "running lights", green is right, yellow is left, white is ground.

If your coupler looks like the picture above, i think a nickel is what some people use.

Mine had the exact same problem when I put it away for winter. I used a test light to verify that my trailer plug was hot on the backup light pin, and it was. If it still has the issue when I pull it out of storage next weekend, I will look for the solenoid valve underneath and give it a tap with a hammer.

Just like when you had to give your starter relay a smack every once in a while on your old pickup truck. :)

Link to comment

Actually using a 5 pin round attatched to a 5 pin flat and yes it was hooked up. I was able to back approx 60 yards on flat ground, once I got to a slope it locked up.

Link to comment

If your coupler looks like the one shown in the pic two posts ago, it is a UFP (Unique Functional Products) model A-60. If so, go to their site (ufpnet.com) and download manual for same. If you hook put 12 volts to the blue wire as Bill_Air suggests, you should here the reverse solenoid click as you connect and disconnect power. Also, after each use, fully extend the actuator and push up on the release lever to fully un-set brakes. (or be sure to do so prior to next use)

Link to comment

There was another post on here about this. If you have the actuator as pictured above, the solenoid itself may not have a good ground (as was my problem, since I did have juice when putting the rig into reverse) By running a separate ground wire from a good ground on the trailer to the solenoid itself (there is a threaded hole on the bottom perfect for a screw & ring termina) the problem was solved.

Here's the link:

http://www.themalibucrew.com/forums/index.php?showtopic=8405

Link to comment

Just to take the ground wire fix a step further, solder the crimp connection and use star washers between terminal ring and metal attached to. Otherwise, in a couple years, those connections will be your next problem due to corrosion.

Link to comment

When you do what AirJunky suggests, you count on the ground being made thru the trailer frame and the hitch on your vehicle. If the running lights are not on, they must be turned on for this to work.

/Steve

Hard to believe a picture of this isn't available. Basically instead of plugging the 5 pin connector in like normal, you just want the blue wire connected to something that is hot. I believe the yellow wire is tail lights.

5pin.jpg

Or there is a small "key" that goes in the slot ont he far left of this pic.... keeps the brakes from engaging. Probably available from any auto parts store.

COUPLER.jpg

Link to comment
Dang! You guys and your fancy electrically actuated reverse lock outs! What happen to the good old days of maually locking them out. Biggrin.gif

Bigtime PITA. :)

Link to comment

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...