Weak turn signal
Senior User
Joined: May 2001
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Just a suggestion,but most of my wiring problems have been traced down to a bad ground.You might want to check the grounds at the rear lights that attaches to the body behind the rear lenses,they are prone to becoming corroded.Good luck
Senior User
Joined: May 2003
Posts: 223
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-Try another blinker relay, I had the same problem, and changed out the relay for a heavy duty / towing unit, and it solved the problem for me.
-I also had the problem with the ground at the rear lights. Mine had rusted out around the screw and was not grounded at all.
-You might want to check the wiring around the rear of the truck too. If someone had spliced into the wiring harness at one point in time, and did a shabby job, your wires may be all green and corroded, causing bad conductivity.
-I also had the problem with the ground at the rear lights. Mine had rusted out around the screw and was not grounded at all.
-You might want to check the wiring around the rear of the truck too. If someone had spliced into the wiring harness at one point in time, and did a shabby job, your wires may be all green and corroded, causing bad conductivity.
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Posting Guru
Joined: Aug 2002
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From: Great NW
Actually, upon some folk's advice here, I replaced the relay to an HD unit for towing.
The funny thing is, that ALL of my turn signals (front & rear) have this weak blink to it, not just the rears...
The funny thing is, that ALL of my turn signals (front & rear) have this weak blink to it, not just the rears...
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Posting Guru
Joined: Aug 2002
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From: Great NW
I Replaced both the relays (flasher & signal) and still have no blinkers. However, the Emergancy flashers do work great with the new relay.
I cleaned the poles on the fusebox and installed a new fuse, still no flashers. Any ideas?
I cleaned the poles on the fusebox and installed a new fuse, still no flashers. Any ideas?
Elder User
Joined: May 2003
Posts: 967
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From: Southern NJ
Gene,
Did you ever get around to checking all the grounds and such? And the feed wires too, you might have a short in one of them, or soon to be a short, I mean. I would at least pull the turn signal flasher wires and check them, especially if it's all four corners.
Did you ever get around to checking all the grounds and such? And the feed wires too, you might have a short in one of them, or soon to be a short, I mean. I would at least pull the turn signal flasher wires and check them, especially if it's all four corners.
Last edited by grapegravy; Oct 1, 2003 at 11:42 PM.
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Posting Guru
Joined: Aug 2002
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From: Great NW
Yep, that's what it needed, a nice cleaning-up of the connections.
I took all of the fuses out of the fuse box, scrubbed the connections and coated them with dialectric grease, reinstalled. I did the same to the plugs for the flasher/emergency relays and voila, working turnsignals. Thanks!
I took all of the fuses out of the fuse box, scrubbed the connections and coated them with dialectric grease, reinstalled. I did the same to the plugs for the flasher/emergency relays and voila, working turnsignals. Thanks!
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Posting Guru
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From: Great NW
Well, I was wrong. I'm a no-go on this and I need some help...
Check here too:
https://www.ford-trucks.com/forums/s...hreadid=163199
Check here too:
https://www.ford-trucks.com/forums/s...hreadid=163199
Elder User
Joined: May 2003
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From: Southern NJ
Turn signal switch, Gene. That would be my guess as it's the last thing you haven't checked yet. And make sure the plud is connected properly (the one above the column). Check the wires and ends that are in the plug. They've been known to break inside
Freshman User
Joined: Aug 2003
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From: South Florida
I am having similar difficulties in my turn signals as well. My front blinkers dont come on at all so I replaced the bulbs and still nothing. My running lights in the front dont work either buit they do on the sides and the rear. When I click the blinker the light comes on in the rear but thet do not blink. Any help? It is a 78 F-150.