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chromecarz00
Samba Member
Joined: July 06, 2015
Posts: 98
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 Posted: Mon Jul 24, 2017 5:34 pm Post subject: Re: Wiring for Turn Signal Switch? |
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Hi, so as mentioned above I'm using aftermarket flashers with an aftermarket relay. I bought the one above (https://www.amazon.com/Heavy-Compatible-Electronic-Flasher-Signal/dp/B06XS8VX2W?tag=viglink129040-20) and using these (http://m.ebay.com/itm/6x2inch-Round-9-LED-Clear-Cover-Amber-Light-Flower-shape-Fender-Side-Marker-/371622745952?nav=BUYING_BEST_OFFERS).
With an LED turn signal does resistance matter? |
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ashman40
Samba Member
Joined: February 16, 2007
Posts: 15982
Location: North Florida, USA
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| Posted: Tue Jul 25, 2017 5:04 am Post subject: Re: Wiring for Turn Signal Switch? |
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LED bulbs typically have much lower resistance than incandescent bulbs. Also, LEDs only allow current to flow in one direction. This means the + and - connectors on the bulb must be strictly followed. Unlike incandescent bulbs which can usually be wired either way. The ground wires go to the - terminal on the LED lamp.
Please diagram or describe how you have everything wired on your bench.
Have you disconnected the dash indicator for testing as suggested?
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AshMan40
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'67 Beetle #1 {project car that never made it to the road  }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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chromecarz00
Samba Member
Joined: July 06, 2015
Posts: 98
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| Posted: Tue Jul 25, 2017 1:22 pm Post subject: Re: Wiring for Turn Signal Switch? |
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| No dash indicator installed. I've got my battery positive -> flasher x, flasher l -> led positive, led negative -> battery negative. The LED turns on, but doesn't flash. I'm thinking it's the relay just being faulty? |
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ashman40
Samba Member
Joined: February 16, 2007
Posts: 15982
Location: North Florida, USA
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| Posted: Tue Jul 25, 2017 2:07 pm Post subject: Re: Wiring for Turn Signal Switch? |
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If you can, test with a regular 21W incandescent bulb. Or, wire multiple LEDs in parallel to increase the load and see if there is a difference.
The relay is rated for 20A which means it should actually be able to make your headlight flash (headlights are powered by 8A fuses). If you can't find a normal bulb, test it with a headlight.
Confirm the voltage at the X terminal is at least 11.0v as this appears to be the min voltage.
_________________
AshMan40
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'67 Beetle #1 {project car that never made it to the road }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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