1971 Torino LED Light and flasher replacement |
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philcwood
New Member Joined: 16-May-2021 Location: Houston TX Status: Offline Points: 10 |
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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
Senior Member Joined: 30-June-2020 Location: USA Status: Offline Points: 633 |
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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.
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Dan
1970 Ford Torino hardtop - 351C 4V - FMX - 9" 3.89 TrueTrac |
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dan0R30
Senior Member Joined: 30-June-2020 Location: USA Status: Offline Points: 633 |
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Sorry it's been a long day I just reread your post and so you did change both flashers... Time to start checking grounds
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Dan
1970 Ford Torino hardtop - 351C 4V - FMX - 9" 3.89 TrueTrac |
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philcwood
New Member Joined: 16-May-2021 Location: Houston TX Status: Offline Points: 10 |
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Thanks so much, I’ll start my search.
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philcwood
New Member Joined: 16-May-2021 Location: Houston TX Status: Offline Points: 10 |
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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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dan0R30
Senior Member Joined: 30-June-2020 Location: USA Status: Offline Points: 633 |
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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.
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Dan
1970 Ford Torino hardtop - 351C 4V - FMX - 9" 3.89 TrueTrac |
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SWO
New Member Joined: 07-June-2020 Location: Maryland Status: Offline Points: 2 |
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Did you figure this out?
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philcwood
New Member Joined: 16-May-2021 Location: Houston TX Status: Offline Points: 10 |
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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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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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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... |
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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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philcwood
New Member Joined: 16-May-2021 Location: Houston TX Status: Offline Points: 10 |
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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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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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sounds like its grounding out somewhere?
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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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