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411 on wiring this flasher? (std 3 prong)
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westcoast-paul
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PostPosted: Mon Dec 01, 2008 11:49 pm    Post subject: 411 on wiring this flasher? (std 3 prong) Reply with quote

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Image may have been reduced in size. Click image to view fullscreen.

(PS: those are just test wires)

no instructions, crappy markings, little knowledge. Embarassed

where do these terminals go?

X:
L:
P:
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jamesdagg
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PostPosted: Tue Dec 02, 2008 4:11 am    Post subject: Reply with quote

You can figure out the terminals with an ohmmeter. The 2 blades that have no resistance between them are not grounds. There will be some resistance between the ground and the other two.

L probably stands for lamp and would correspond to 49a.

The Tridon 2 wire flasher has L and X but no P so I think P is the ground.(31)

That would leave X as power. (49)

Here's how it's wired.
From Speedy Jim's>
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jim
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PostPosted: Tue Dec 02, 2008 5:08 am    Post subject: Reply with quote

X=12VDC feed from fuse
L= Load - to the Turn Signal Switch
P=Pilot - indicator light in Speedo.

Fred
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westcoast-paul
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PostPosted: Tue Dec 02, 2008 9:45 am    Post subject: Reply with quote

ahhhhhh - many thanks you two.
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PostPosted: Tue Dec 02, 2008 8:23 pm    Post subject: Reply with quote

fmartin_gila wrote:
X=12VDC feed from fuse
L= Load - to the Turn Signal Switch
P=Pilot - indicator light in Speedo.

Fred


are you sure? I tried this with both the 2 prong (leaving the P one out of the equation) and the 3 prong flasher.

do i understand this right?



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PostPosted: Wed Dec 03, 2008 3:02 am    Post subject: Reply with quote

You can tell for sure with the resistance test I mentioned above but your drawing looks right. I know 2 prong ones don't have a ground or "P" terminal so P must be ground.

It won't flash right without the proper load on the system though.

jim
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PostPosted: Wed Dec 03, 2008 9:33 am    Post subject: Reply with quote

that may be the reason it isnt flashing. so if i wired up 4 test bulbs - it should work?
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PostPosted: Wed Dec 03, 2008 5:58 pm    Post subject: Reply with quote

That's the reason LED's don't work with old flashers. Different resistance.

Should work with 4 bulbs. Many still will work but flash very fast to tell you a bulb is out.

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PostPosted: Wed Dec 03, 2008 10:45 pm    Post subject: Reply with quote

learn something every day - thanks James.

it worked when i bench tested it with 4 bulbs.

now for the next Q - this may be obvious to some, but how do i get both Left and Right to flash, but not make them flash when i use my turn signal? I can get them to flash either - or.

edit: thinking about this last night - i bet it's the type of switch - yes?
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PostPosted: Thu Dec 04, 2008 6:06 pm    Post subject: Reply with quote

westcoast-paul wrote:
learn something every day - thanks James.

it worked when i bench tested it with 4 bulbs.

now for the next Q - this may be obvious to some, but how do i get both Left and Right to flash, but not make them flash when i use my turn signal? I can get them to flash either - or.

edit: thinking about this last night - i bet it's the type of switch - yes?


Yes the emergency switch does this and that's why it's a TPDT. (triple pole double throw). One pole switches the power source so the emerg work with the key off but signals need the key on. The other two poles are to keep left and right separate.

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PostPosted: Fri Dec 05, 2008 10:29 am    Post subject: Reply with quote

(because i'm a visual type guy)
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PostPosted: Mon Dec 08, 2008 11:08 pm    Post subject: Reply with quote

so the power for the signal switch comes from the 4 way switch .correct?
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PostPosted: Tue Dec 09, 2008 2:51 am    Post subject: Reply with quote

hucks 72 wrote:
so the power for the signal switch comes from the 4 way switch .correct?


Yes, the diagram above has an error. The emergency switch is a triple pole double throw. The third pole, which is double throw, sends power to the flasher from terminal #30 when the key is off and switches to power from terminal #15 when the key is on.

This is so the emergency flashers work with the key off but the signals don't.

jim
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PostPosted: Tue Dec 09, 2008 6:55 am    Post subject: Reply with quote

im lost ,i have flashers but no blinkers ,any advice as where to start.
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PostPosted: Tue Dec 09, 2008 3:10 pm    Post subject: Reply with quote

If you have flashers, with and without the key on, then power is getting to the flasher unit and it is working. Your problem then is between the flasher and the bulbs.

You could pull the plug off at the steering wheel and do some tests. Jump power to the left and right wires and see if the bulbs come on would tell you if the problem is at the signal switch.

From Speedy Jim's site>
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PostPosted: Thu Dec 11, 2008 10:49 am    Post subject: Reply with quote

ok i pulled the connectors .the r.side works but the l.side does not work..i pulled the emerg switch and jumped those wires .they worked . took the switch apart and nothing looks burnt.why would they not work at the plug?
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PostPosted: Thu Dec 11, 2008 10:51 am    Post subject: Reply with quote

also when i put the test light to the l.side the test light would flash and the flasher relay was clicking.
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PostPosted: Thu Dec 18, 2008 8:15 am    Post subject: Reply with quote

Hey I missed this post when it was going on, but I will say this..... Don't use a PXL type flasher relay! None if those terminals are grounds - it's not for a VW application! VWs use a grounded relay..... the correct VW/Euro relay will be marked with Terminals 49, 49a and 31. Tridon makes one, it's the EP-35.

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PostPosted: Thu Dec 18, 2008 10:38 am    Post subject: Reply with quote

i got it working and it works fine. $3 too.
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PostPosted: Thu Dec 18, 2008 6:53 pm    Post subject: Reply with quote

That's cool Cool

Personally though, I prefer my lights to light up outside the car first. When you you use those things, the dash lights up first......... and stays on..... for sometimes a maddening amount of time before they start to flash and turn on outside. I can make making your intentions for a quick lane change invisible to anyone but you. I hated it myself when I had one.

Actually though, thinking back to 1990 when I used one of those - none of the terminals on the PXL is a ground, you'll pop a fuse if you connect one to ground. So I'm not sure exactly how your setup worked! I had to just leave one of them unhooked and run it like a 2-terminal relay.
Not for long though, I soon learned about using a later grounded VW relay and have enjoyed that setup ever since. Actually the stock relay was grounded, where it bolted to the body, the wiring diagram doesn't show this but it was.

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