2010 f150
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=125387
Printed Date: April 28, 2024 at 4:47 AM
Topic: 2010 f150
Posted By: ayalja123
Subject: 2010 f150
Date Posted: January 01, 2011 at 1:25 PM
Ok so installed a r/s on this truck yesterday but i had a problem finding the parking light. I know the wire color is PURPLE / white, but i couldn't find it by the kick pannel. So i whent to the headlight switch nob and i started testing wires and i thought i found the right one. Well when i connected to this wire it sparked even though when i tested it was at 12v when i turn the light on. So here is the problem i lost control of the headlights, can't shut them off, can't turn on fog light, but the headlight will stay on for about 10min then shut down by them selfs. I think is the nob that i have to replace. what do you guys think?. oh yeah i did cheked the fuse
Replies:
Posted By: i am an idiot
Date Posted: January 01, 2011 at 3:41 PM
There is a burnt trace on the circuit board mounted to the rear of the switch assembly. Remove the switch, remove the 3 screws from the back of the switch. Remove the back cover and then remove the circuit board. Inspect closely, the trace that burns is tiny.
Just noticed the vehicle year. The above instructions are for the 07/08 era. I am sure you have the same problem, I am just not familiar with the switch in the newer vehicles.
Posted By: kreg357
Date Posted: January 01, 2011 at 3:43 PM
That is a known problem with Fords. Do a search on it. I heard those light switch control boards were on national back order awhile ago...
The best way to do the Parking Lights on the 2010 F150 is to go right to the SJB. The SJB is in the Passenger Kick Panel. Look for a Gray 13 Pin connector ( Plug E, second one down on the right side ). It is a (+)PURPLE / White wire at Pin 6. ------------- Soldering is fun!
Posted By: i am an idiot
Date Posted: January 01, 2011 at 3:54 PM
This is a simple repair. Simply find the open trace and solder a small jumper wire across the break in the trace.
Posted By: ayalja123
Date Posted: January 01, 2011 at 4:16 PM
yeah no wonder i couln't find the sjb, i was looking for it on driver side. thanks
Posted By: ayalja123
Date Posted: January 01, 2011 at 4:27 PM
on the back of the switch there is no visible board. this switch just pops out no screws
Posted By: i am an idiot
Date Posted: January 01, 2011 at 4:31 PM
Did you just pull the knob off of the switch, or did you remove the entire switch assembly?
Posted By: ayalja123
Date Posted: January 01, 2011 at 4:37 PM
the entire assembly
Posted By: i am an idiot
Date Posted: January 01, 2011 at 4:47 PM
There may be no screws in the newer ones. Do you see any way to remove the back cover? Maybe plastic clips, can you take pictures of the assembly?
Posted By: ayalja123
Date Posted: January 01, 2011 at 4:58 PM
nah i can't take a picture the car is in CT and i'm in NY but from what i remember is a full plastic assembly no clips or screws. I think my friend is going to get the part on monday and hopefully replacing it will do the trick. thanks for the help everyone
Posted By: i am an idiot
Date Posted: January 01, 2011 at 5:02 PM
If unplugging the assembly allows the lights to turn off, I am certain that replacing the assembly will fix your problem.
Posted By: ayalja123
Date Posted: January 01, 2011 at 5:13 PM
nope even before i had this problem, if i disconnected the switch the lights would stay on
Posted By: i am an idiot
Date Posted: January 01, 2011 at 5:19 PM
It may be different than the older ones. The symptoms you are having are identical to the symptoms when the trace opens in the ones from a few years ago. Keep us posted and let us know if you figure it out.
Posted By: ayalja123
Date Posted: January 06, 2011 at 6:43 PM
so i got the new assembly in and everything is back to normal. Thanks to everyone who try to help
Posted By: kgerry
Date Posted: January 07, 2011 at 2:28 PM
make sure to tell him not to replace the switch until you correct the wiring or it will burn open the new switch right away as well...... the proper way to grab parklights at the switch is doing it with a relay to open the feed wire and apply the feed (negative) to the negative wire at the other side of the switch.... works fine this way.....
-------------
Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: ayalja123
Date Posted: January 07, 2011 at 6:37 PM
Already taken care off, but thank you.
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