Go Back   Ford Truck Enthusiasts Forums > Misc. > Towing, Trailers & 5th Wheels
Sign in using an external account
Register Forgot Password?


Towing, Trailers & 5th Wheels SPONSORED BY:

Reply
 
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 09-28-2014, 12:23 PM
Loganhorse's Avatar
Loganhorse Loganhorse is offline
Freshman User
 
Join Date: Aug 2011
Location: KY
Posts: 37
Loganhorse is starting off with a positive reputation.
loganwright1 rowdy43
F250 and Horse trailer wiring

I'm posting this for a friend. She has bought a F250 after getting rid of her Chevy. Now when pulling her horse trailer the interior lights will not come on unless the truck is turned on. The trailer doesn't have a on board battery. I check fuse 315? Battery charge and it was blown and swapped it with another just to check it but still didn't. Are there any other things other than the plug I could check and what is this battery charge relay?
Reply With Quote
  #2  
Old 09-28-2014, 12:30 PM
senix's Avatar
senix senix is offline
Moderator
 
Join Date: Aug 2008
Location: Frederick, MD
Posts: 21,000
senix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputation
The ford system is designed to cut the power off when the truck is not running.


Prevents your truck from having a dead battery.


Suggest and highly encourage an on-board battery for the trailer. In fact it is law in most states.


How can the emergency brake work for the trailer if there is no battery?
__________________
Scott-2013 F350 with a lot of tires.
2013 40' 4-slider stoneridge 5th wheel coming in at 15,400; 2015 Lincoln MKC
http://www.ford-trucks.com/guidelines.html

Previous Truck 2008 F250 6.4 with lots of upgrades and a suspension upgrade from Torklift International StableLoads
Reply With Quote
  #3  
Old 09-28-2014, 01:22 PM
Loganhorse's Avatar
Loganhorse Loganhorse is offline
Freshman User
 
Join Date: Aug 2011
Location: KY
Posts: 37
Loganhorse is starting off with a positive reputation.
loganwright1 rowdy43
Quote:
Originally Posted by senix View Post
The ford system is designed to cut the power off when the truck is not running.


Prevents your truck from having a dead battery.


Suggest and highly encourage an on-board battery for the trailer. In fact it is law in most states.


How can the emergency brake work for the trailer if there is no battery?
That was my fault I wasn't thinking about that battery I was thinking about the battery to power the jacks and stuff.

So ford doesn't have a constant 12v when the key is off?
Reply With Quote
  #4  
Old 09-28-2014, 08:16 PM
Ferguson65's Avatar
Ferguson65 Ferguson65 is offline
Posting Guru
 
Join Date: Mar 2005
Location: southeast PA
Posts: 1,052
Ferguson65 has a very good reputation on FTE.Ferguson65 has a very good reputation on FTE.Ferguson65 has a very good reputation on FTE.
Quote:
Originally Posted by Loganhorse View Post
So ford doesn't have a constant 12v when the key is off?

No they don't. But if you pull the relay and jump it out you will. Mine is jumped on my 13 because having it off when the key is off doesn't work for my needs. You can't leave the trailer lights on all night and expect the truck to start, but if you use your head it's no big deal (and as you found GM and Dodge don't feel this is necessary), and I have to agree.
__________________
Scott
-13 F350 CCLB 4x4 lariat dually, Airlift 5000 Ultimate Bags, STK ProRack, SEIC mod, Airlift wireless waiting in the box.........
-99 Escort ZX2
-06 Belmont goose/ 94 coleman hybrid toyhauler-for sale complete!
-15 Palomino Puma 351THSS on order!
Reply With Quote
  #5  
Old 09-28-2014, 09:51 PM
senix's Avatar
senix senix is offline
Moderator
 
Join Date: Aug 2008
Location: Frederick, MD
Posts: 21,000
senix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputationsenix has a superb reputation
Yeah, only the marker lights will work with the power off on the truck.
__________________
Scott-2013 F350 with a lot of tires.
2013 40' 4-slider stoneridge 5th wheel coming in at 15,400; 2015 Lincoln MKC
http://www.ford-trucks.com/guidelines.html

Previous Truck 2008 F250 6.4 with lots of upgrades and a suspension upgrade from Torklift International StableLoads
Reply With Quote
  #6  
Old 09-29-2014, 01:03 AM
Yahiko's Avatar
Yahiko Yahiko is offline
Post Fiend
 
Join Date: Apr 2012
Location: Spanaway
Posts: 9,911
Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.Yahiko has a spectacular reputation.
I would think that if you do have onboard power that
LED lighting would allow you a lot more run time and
not have you come back to a No-Start truck after an
over night lights on.

Then there is this http://www.google.com/url?q=http://w...mnnYfnmpKLRJjA

Nothing like a timer to turn the lights off. Looks like an easy install
and with LEDs WOW.


Sean Click the image to open in full size.
__________________
Three Happy Cats "How do you eat an elephant? One bite at a time!"
Mods Blue Spring, High Idle(BCP), Coolant Filter,SCT from http://www.gearheadautomotiveperformance.com/
HFCM Drain Plug, Nav System, Leveling Kit, Backup Camera, HID Fog 3000K & Driving Lights 4300K
6.0l Forum Map : Ask me About It
Reply With Quote
  #7  
Old 09-29-2014, 08:38 AM
Loganhorse's Avatar
Loganhorse Loganhorse is offline
Freshman User
 
Join Date: Aug 2011
Location: KY
Posts: 37
Loganhorse is starting off with a positive reputation.
loganwright1 rowdy43
Quote:
Originally Posted by Ferguson65 View Post
No they don't. But if you pull the relay and jump it out you will. Mine is jumped on my 13 because having it off when the key is off doesn't work for my needs. You can't leave the trailer lights on all night and expect the truck to start, but if you use your head it's no big deal (and as you found GM and Dodge don't feel this is necessary), and I have to agree.
Which pins do I need to jump on the relay?
Reply With Quote
  #8  
Old 09-29-2014, 12:32 PM
Ferguson65's Avatar
Ferguson65 Ferguson65 is offline
Posting Guru
 
Join Date: Mar 2005
Location: southeast PA
Posts: 1,052
Ferguson65 has a very good reputation on FTE.Ferguson65 has a very good reputation on FTE.Ferguson65 has a very good reputation on FTE.
Quote:
Originally Posted by Loganhorse View Post
Which pins do I need to jump on the relay?


Been a while since I did it, but I think the relay was labeled normally if I remember correct. That said, pull the relay, look at the base of it and it should show markings at the pins (85, 86, 30, 87, 87A). You want to put a jumper between 30 and 87.
__________________
Scott
-13 F350 CCLB 4x4 lariat dually, Airlift 5000 Ultimate Bags, STK ProRack, SEIC mod, Airlift wireless waiting in the box.........
-99 Escort ZX2
-06 Belmont goose/ 94 coleman hybrid toyhauler-for sale complete!
-15 Palomino Puma 351THSS on order!
Reply With Quote
Old 09-29-2014, 12:32 PM
 
 
 
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Need help with trailer wiring- 2011 F250 spm26191 Super Duty & Heavy Duty 0 04-30-2013 05:19 PM
Ozzie battery options SSSimon Australia Chapter 8 09-22-2011 04:09 PM
Which relay for black wire from truck to acc on plug grumpygallagher Towing, Trailers & 5th Wheels 2 06-29-2006 01:11 AM
Truck not charging trailer batteries ddkrueger 6.0L Power Stroke Diesel 5 06-20-2005 11:09 AM
Factory trailer plug-7 way Farmer XLT 1987 - 1996 F150 & Larger F-Series Trucks 5 06-18-2004 10:58 PM


Go Back   Ford Truck Enthusiasts Forums > Misc. > Towing, Trailers & 5th Wheels

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 On
Trackbacks are On
Pingbacks are On
Refbacks are On

Forum Jump


Participate In The Forums

Create new posts and participate in discussions. It's free!

Sign Up »





All times are GMT -5. The time now is 11:18 PM.


Powered by vBulletin® Version 3.8.7 AC1
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Advertising - Terms of Use - Privacy Statement - Jobs
This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. Ford® is a registered trademark of the Ford Motor Company.

vbulletin Admin Backup