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Thread: Turn Signal Issues
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05-08-2009 #1
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Turn Signal Issues
I installed Autometer gauges in my 69 Cutlass, which meant I lost the turn signal indicators in the factory speedo. Using a wiring diagram, I tapped into the left and right indicator wires (not together of course), and installed 2 LEDs which I grounded to the dash.
The problem is when I use the turn signal either way, all 4 signals flash and both indicators. Basically it's turning on the hazard lights.
If I let them flash for 10 seconds or so, they will start flashing fast for a couple seconds, then back to normal for a few seconds, then fast etc...
Any thoughts before I start scratching my head on this one?
Nick ~ 1969 Cutlass
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05-09-2009 #2
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stupid thought, LED's are directional. could you have wired them backwards? or should the indicators be grounded through the flasher in stead of the body?
work in progress--for the next 10 years.
1987 monte carlo ss 383ci, 9.7:1, xe274 cam, vortec heads, 200r4, 3.73 posi.
05-09-2009 #3
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flasher cans & LEDs
You probably tapped the wrong side of the flaher can; it sounds like you tapped the feed instead of the 'load' side. You should switch these to electronic flasher modules, as the factory thermal unit wih flash too fast.
05-10-2009 #4
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Well I fixed part of it... stupid me I must have pushed the hazard switch in while installing the column! Odd thing is, even with the hazard switch on, they only flashed if I then activated the turn signal. Hopefully I just need a new hazard module.
Anyway, now my left/right signals do work separate from each other as they should. But I still have the problem of them flashing fast and the module not actually "clicking" properly.
I assume they are only a few bucks, I'll try a new stock signal flasher can. But... I never thought of this:
Can I get something like that at local parts store? I've never heard of that.
Originally Posted by OHCbird
Nick ~ 1969 Cutlass
05-11-2009 #5
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Yes. About $8 from autozone when I got mine.
Nick R.
69 Camaro - 383, 700R4, 12 bolt 3.55, Hotchkis, Bilstein, Global West, Morris Classic
08 HHR SS - Still Stock for now
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05-14-2009 #6
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You can also make sure that the factory flasher is the "heavy duty" one and not the regular one. There is a difference. I found this out several years ago when I replaced one with the original "light duty" flasher. Looked almost like a strobe light.....
Carl Wilson
1968 Camaro - T-56 6 speed - 383 Stroker, 2014 Mustang GT seats. FiTech EFI, Tanks Inc. Tank with Deutschwerks fuel pump.
05-21-2009 #7
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use an electronic one.
05-26-2009 #8
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This may sound stupid, but even if the package says 'Electronic', that doesn't mean it's LED friendly. Get one that says LED on it... they are true electronic timing devices (flasher).
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