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  #1  
Old 03-07-2016, 04:38 PM
workshopsk8r1321 workshopsk8r1321 is offline
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Join Date: Apr 2015
Boat: 2001 Prostar 190 Indmar 330 LTR
Location: Northeast
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Trailer doesn't backup

Hey guys,

I have an 01 prostar 190 with the original trailer for it. Single axle trailer, don't know too much about trailers. Was wondering if someone could tell me if its an actuator i need or solenoid. Trailer locks up when trying to back up. Usually happens when there's no weight....usually doesnt lock up if there's weight on the trailer. Whatever i need to fix it, could someone direct me to whichever i need, and where i can find it? Thanks
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  #2  
Old 03-07-2016, 04:41 PM
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Eric2010MCX2 Eric2010MCX2 is offline
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Do you have the 7 way rv style connector?

Post a picture if you would
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  #3  
Old 03-07-2016, 04:49 PM
workshopsk8r1321 workshopsk8r1321 is offline
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Boat: 2001 Prostar 190 Indmar 330 LTR
Location: Northeast
Posts: 60
yes, it is a flat 5 from the trailer to a 7 way adaptor....(i am assuming it's the 7 way, looked up some pictures and it's exactly what mine looks like). also forgot to mention that i know it isnt the truck as i tow with many different trucks (owner of car dealership)
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Old 03-07-2016, 04:52 PM
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Sodar Sodar is offline
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Boat: '07 ProStar 197 w/ MCX
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If you have the 5 prong, that means you have a back-up solenoid.

Since you are towing with several vehicles, it sounds like the solenoid is not operating correctly. The Blue wire powers the solenoid. Check the connections and apply 12v power to the blue wire. If you hear it "click", then it is working properly. If not, a solenoid can be had for about $30, but the brakes will need to be bled after swapping it out.
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Old 03-07-2016, 04:59 PM
workshopsk8r1321 workshopsk8r1321 is offline
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Boat: 2001 Prostar 190 Indmar 330 LTR
Location: Northeast
Posts: 60
I can make it work....sometimes what i do is i pull forward to release the pressure of the lock and then i put the truck in park, wait a second, and then put it in reverse and wait....if i hear that click i know i'm all set but if i dont then i basically just do that until i do hear it.....have looked up solenoids online but not sure which one i would need to purchase....could you maybe post a link to the one i would need? Thanks for all the help!
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Old 03-07-2016, 05:09 PM
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Sodar Sodar is offline
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Boat: '07 ProStar 197 w/ MCX
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I'd need to see a pic of the tongue to know what actuator you need.

I'd think an '01 would have a UFP actuator. If so, this is the solenoid: http://www.pacifictrailers.com/UFP-R...p-Valve-34500/
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Old 03-07-2016, 05:29 PM
workshopsk8r1321 workshopsk8r1321 is offline
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Join Date: Apr 2015
Boat: 2001 Prostar 190 Indmar 330 LTR
Location: Northeast
Posts: 60
This is a picture of what my actuator looks like (mine is white, but that's the style)
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  #8  
Old 03-07-2016, 05:30 PM
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kscrib kscrib is offline
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I had an issue where my trailer brakes were locking up. I had a burned out tail light (or reverse light - I don't remember which it was) on the trailer. After I replaced the bad light it would backup fine without locking up the brakes. I don't get why replacing a light fixed it, but apparently it did.

So - have you checked your trailer lights?
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  #9  
Old 03-07-2016, 05:32 PM
workshopsk8r1321 workshopsk8r1321 is offline
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Join Date: Apr 2015
Boat: 2001 Prostar 190 Indmar 330 LTR
Location: Northeast
Posts: 60
i check my lights every time i tow and to my knowledge all my lights on the trailer are in working order
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Old 03-07-2016, 05:39 PM
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Sodar Sodar is offline
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The solenoid I posed is the correct part. You have a UFP Actuator.
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