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1971 Torino LED Light and flasher replacement

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philcwood View Drop Down
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    Posted: 22-May-2021 at 4:06AM
Hopefully someone has experienced this issue. I replaced the tail lights and front parking and signals with LED. Also changed the turn and hazard flashers to LED compatible. Parking, brake and hazards work fine. Two thing are occurring turn signals are dead and when headlight are on both turn signal indicators dimly light. Thanks in advance for your input!
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dan0R30 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dan0R30 Quote  Post ReplyReply Direct Link To This Post Posted: 22-May-2021 at 2:04PM
I haven't done the switch to LEDs myself, but I have a few thoughts. Since I don't know the details of your conversion, I'll cover my bases.

LEDs draw less power than standard bulbs, so the flasher relays need to be changed to LED specific ones to accommodate this.

Our Torinos have two flashers. One for the hazards and one for the turn signals. This makes sense to me why one would work and the other wouldn't, assuming only one has been changed. Forgive my dirty interior but here's a reference of the locations.



Lastly, if you have already done all this, then I would suspect you have bad grounds.. you can see from my picture that 50 years has caused a lot of oxidation. I don't find a lot of ground points with my multimeter. You may have to clean up some areas with a wire brush like I had too. I would start from the relay terminals itself and work backwards.

By the way I'd love to see some pictures of the new lights! I've thought about doing this on my '70.
Dan

1970 Ford Torino hardtop - 351C 4V - FMX - 9" 3.89 TrueTrac
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dan0R30 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dan0R30 Quote  Post ReplyReply Direct Link To This Post Posted: 22-May-2021 at 2:06PM
Sorry it's been a long day I just reread your post and so you did change both flashers... Time to start checking grounds Confused
Dan

1970 Ford Torino hardtop - 351C 4V - FMX - 9" 3.89 TrueTrac
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philcwood View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote philcwood Quote  Post ReplyReply Direct Link To This Post Posted: 23-May-2021 at 4:18AM
Thanks so much, I’ll start my search.
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philcwood View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote philcwood Quote  Post ReplyReply Direct Link To This Post Posted: 23-May-2021 at 11:58AM
I metered for ground starting at the battery and engine block. Metered voltage coming from the fuse panel to ground under the dash those were good. The car is very clean no corrosion under the dash. The trunk is clean wires are in good order. There is one detail that slipped my mind. Before replacing the lamps with LED the turn signals were not consistent. With headlights on the turn signals were either steady on or the flash was abnormally slow. I’m going to reach out to my mechanic tomorrow. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dan0R30 Quote  Post ReplyReply Direct Link To This Post Posted: 23-May-2021 at 12:23PM
Hmm it seems like that is unrelated to the LEDs at least! If anything it only makes the situation more noticeable due to the change is resistance in the wiring. Perhaps the turn signal switch in the column itself? I'll be curious to see what your mechanic finds.
Dan

1970 Ford Torino hardtop - 351C 4V - FMX - 9" 3.89 TrueTrac
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SWO View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SWO Quote  Post ReplyReply Direct Link To This Post Posted: 26-July-2021 at 10:39PM
Did you figure this out?
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philcwood View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote philcwood Quote  Post ReplyReply Direct Link To This Post Posted: 28-July-2021 at 4:54AM
Currently at an electrical specialist. One problem they found the previous owner replaced the rear tail light and reverse light sockets. They used dual filament on the reverse lights and it was feeding back. They are still trying to locate the issue continuing to cause the symptoms. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 28-July-2021 at 9:03AM
try swapping the flashers since you said the hazards work?
possibly in the turn sig switch...
 if the bulbs work on hazard that should indicate the bulbs and wiring to each are good then...
JOHN
74 GRAN TORINO S&H CLONE
74 VETTE CUSTOM
90 S10 BLAZER 4X4 LIFTED
77 CELICA CUSTOM
75 V8 MONZA SUPERCHARGED
79 COURIER VERT. SLAMMED
75 VEGA V6 5 SPD
70 CHEV C10 P/U
68 MUSTANG FB CONVERSION
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Post Options Post Options   Thanks (0) Thanks(0)   Quote philcwood Quote  Post ReplyReply Direct Link To This Post Posted: 22-September-2021 at 2:29AM
This is what it’s come down to. I’ve replaced the turn signal harness. As soon as the turn signal is engaged it blows the 20A fuse. Local electrical guy couldn’t figure it out. I may just have the car rewired. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 22-September-2021 at 7:01AM
 sounds like its grounding out somewhere?
JOHN
74 GRAN TORINO S&H CLONE
74 VETTE CUSTOM
90 S10 BLAZER 4X4 LIFTED
77 CELICA CUSTOM
75 V8 MONZA SUPERCHARGED
79 COURIER VERT. SLAMMED
75 VEGA V6 5 SPD
70 CHEV C10 P/U
68 MUSTANG FB CONVERSION
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