brakes and turn signals don't work on boat trailer - Ford F150 Forums - Ford F-Series Truck Community.


2009 - Present Ford F150 General discussion on the present generation Ford F150 truck.

Reply
 
 
 
Thread Tools Search this Thread
Old 10-03-2011   #1  
Junior Member
Thread Starter
 
Join Date: Oct 2011
Posts: 6
Unhappy brakes and turn signals don't work on boat trailer

I have a bass boat with surge brakes. I have power only and no brake lights or turn signals. I have traced it back to the truck. It is a truck problem. I get only running light power from the pigtail on the truck. I can't locate a bad fuse by using my manual. Help!

UncleRay
UncleRay is offline   Reply With Quote
Old 10-03-2011   #2  
Senior Member

 
Purplehazeir's Avatar
 
Join Date: Jan 2011
Location: Arlington, WA
Posts: 1,436
Default

Quote:
Originally Posted by UncleRay View Post
I have a bass boat with surge brakes. I have power only and no brake lights or turn signals. I have traced it back to the truck. It is a truck problem. I get only running light power from the pigtail on the truck. I can't locate a bad fuse by using my manual. Help!

UncleRay
You've checked it at the plug on the hitch with a multi-meter or a test light? Sometimes the sockets get dirty and need a good douche with an electrical spray cleaner.

Check the relays under the hood. There are two or three that are specifically for the trailer.
Purplehazeir is offline   Reply With Quote
Old 10-03-2011   #3  
Junior Member
Thread Starter
 
Join Date: Oct 2011
Posts: 6
Default I don't think that is it.

I cleaned all female and male connections. But, the main clue is that only one of the metal flanges on the FordMoCo female connector has a positive for current. That connector is standard equipment on my F150 and before any after market adapter or trailer based connector is attached. So, the problem seems to be truck related.

Ray
UncleRay is offline   Reply With Quote
Old 10-03-2011   #4  
Junior Member
Thread Starter
 
Join Date: Oct 2011
Posts: 6
Default

Kevin,

How can I tell if a relay is bad? Is the relay one of the square fuse types or the black solid electronics? I guess I could use a meter on them. But, which ones? Schematic helps some.

Ray
UncleRay is offline   Reply With Quote
Old 10-03-2011   #5  
Senior Member

 
Purplehazeir's Avatar
 
Join Date: Jan 2011
Location: Arlington, WA
Posts: 1,436
Default

Quote:
Originally Posted by UncleRay View Post
I cleaned all female and male connections. But, the main clue is that only one of the metal flanges on the FordMoCo female connector has a positive for current. That connector is standard equipment on my F150 and before any after market adapter or trailer based connector is attached. So, the problem seems to be truck related.

Ray
And you checked the relay in the engine compartment?
Purplehazeir is offline   Reply With Quote
Old 10-03-2011   #6  
Junior Member
Thread Starter
 
Join Date: Oct 2011
Posts: 6
Default

I am not that savvy about the relays. What and where? Any help would be appreciated. I don't know what I am looking for and am afraid to mess with anything that I don't have a clue about.

Ray
UncleRay is offline   Reply With Quote
Old 10-03-2011   #7  
Senior Member

 
Purplehazeir's Avatar
 
Join Date: Jan 2011
Location: Arlington, WA
Posts: 1,436
Default

Quote:
Originally Posted by UncleRay View Post
I am not that savvy about the relays. What and where? Any help would be appreciated. I don't know what I am looking for and am afraid to mess with anything that I don't have a clue about.

Ray
The relay/fuse panel is in the engine compartment. The lid comes off and will show you the relays. Relays 37 and 38 are for the trailer tow park and turn signals.
Purplehazeir is offline   Reply With Quote
Old 10-03-2011   #8  
Junior Member
Thread Starter
 
Join Date: Oct 2011
Posts: 6
Default

Kevin,

I'll check relays 37 and 38 for trailer late tomorrow. I have to go to St. Louis to talk to Cardiologist tomorrow. That will take all day.

Ray
UncleRay is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Don't miss your chance to buy Go Rhino products for F-150 and save up to $250! carid Ford F150 General Discussion 0 12-02-2014 09:05 AM
Smell fuel in cab and outside truck when turn off truck and get out Lbrooks335 1997 - 2003 Ford F150 3 06-24-2014 08:44 PM
TURN SIGNALS IN MIRRORS VERDUN Ford F150 General Discussion 2 01-05-2013 09:15 PM
Head Trauma *video* safe for work F150_R Media - Pictures & Videos 2 05-05-2011 02:12 PM
Where do you work? Trent Off-Topic 19 01-29-2011 09:04 AM


Tags
2009, trailer electrical


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 02:06 PM.


© 2018 MH Sub I, LLC dba Internet Brands
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.