Signal lights
Thread Starter
|
Freshman User
Joined: Jul 2006
Posts: 33
Likes: 0
From: Lloydminster,Alberta
Signal lights
I have a 76 F100 as my first vehicle, and am running into some electrical problems. Whenever I put the lights on (first point on the little tab you pull out) the left signal light indicator lights up. It is duller than average and does not flash. It also does not allow the use of the signal light. I personally hope it is a bad ground, as we have already replaced the flasher, and if it is a wiring problem it may be a little difficult to find.
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Try these helps on the site:
https://www.ford-trucks.com/article/...rd_Pickup.html
https://www.ford-trucks.com/forums/1...ease-read.html
https://www.ford-trucks.com/article/...rd_Pickup.html
https://www.ford-trucks.com/forums/1...ease-read.html
Postmaster
Joined: Feb 2003
Posts: 4,043
Likes: 4
Probably a bad ground in one of the signal bulbs. Could also be a broken filament shorting across the running and signal circuits inside the bulb. Try unplugging bulbs till the dash light goes out. That should be the affected socket/bulb.
Thread Starter
|
Freshman User
Joined: Jul 2006
Posts: 33
Likes: 0
From: Lloydminster,Alberta
Well, I took the front light's grounds and shined them and the metal they contact. I would have done the backs but I didn't have the proper wrench. Now, the light still remains, but when I turn on the signal light it indicates it is working but it actually does not. Any more ideas?
Last edited by Tony238; Apr 23, 2007 at 07:35 PM.
Postmaster
Joined: Feb 2003
Posts: 4,043
Likes: 4
Trending Topics
Laughing Gas
Joined: Mar 2007
Posts: 754
Likes: 2
From: southwest Wisconsin
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
Top 10 Fords at 2026 Carlisle Ford Nationals
Joe Kucinski
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
10 Ugly Ford Trucks That We Still Kinda Love
Joe Kucinski
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Thread Starter
|
Freshman User
Joined: Jul 2006
Posts: 33
Likes: 0
From: Lloydminster,Alberta
Originally Posted by fastfarmer
I had the same thing happen with my 76 F150, it was a bad connection in the rear socket
Elder User
Joined: Feb 2007
Posts: 914
Likes: 0
From: Livermore, Ca.
Originally Posted by Tony238
Well, I took the front light's grounds and shined them and the metal they contact. I would have done the backs but I didn't have the proper wrench. Now, the light still remains, but when I turn on the signal light it indicates it is working but it actually does not. Any more ideas?
Bad bulb, bad relay, bad turn signal switch.
I just went through this replacing the turn signal switch. I found the replacement part wires were too long and required trimming and repositioning.
Once you get it right it will be solid.
Order of troubleshoot imo:
Since the light is active. Checking the fuse is unnecessary.
Clean sockets and replace with new bulbs or known good.
Check or replace blinker relay
Pull steering wheel and look at the blinker switch.
My brake light stopped working and well as my turn signal because of that switch. However, the headlights, tail and side markers ended up working throughout the process.
Good luck .... ;-)
New User
Joined: Jan 2008
Posts: 0
Likes: 24
He was getting feedback power through the running lights circuit.
Now that the front is clean...he need to fix ther bulb socket connection in the rear so the bulb will illuminate can cause the flasher to heat up and break contact.
Ford TS systems require BOTH Front and Rear Bulbs to draw power .... to trigger the flasher.
IMO, his problem is ...he has a bad connection at the rear bulb and it needs to be cleaned and made secure.
Now that the front is clean...he need to fix ther bulb socket connection in the rear so the bulb will illuminate can cause the flasher to heat up and break contact.
Ford TS systems require BOTH Front and Rear Bulbs to draw power .... to trigger the flasher.
IMO, his problem is ...he has a bad connection at the rear bulb and it needs to be cleaned and made secure.
Elder User
Joined: Feb 2007
Posts: 914
Likes: 0
From: Livermore, Ca.
Dennis - I think your right on the money as usual.
I threw out a few other possibilities to look at just in case. I do believe as do that cleaning all the bulb sockets and making sure that good connections and grounds are the most likely issue.
I threw out a few other possibilities to look at just in case. I do believe as do that cleaning all the bulb sockets and making sure that good connections and grounds are the most likely issue.
Thread
Thread Starter
Forum
Replies
Last Post
abeagle
1948 - 1956 F1, F100 & Larger F-Series Trucks
5
Nov 3, 2013 07:45 PM
JTUCKER
1967 - 1972 F-100 & Larger F-Series Trucks
1
Jul 23, 2009 07:44 PM