79 intermittent wiring

Joel · Posted: Tue Jan 24, 2012 4:41 am Post subject:

You've got a bad ground at the switch.

On the previous page the hand drawn schematic of how the switch work explains it.

Off and intermittent are exactly the same, the only difference is the second strip of contact for the intermittent goes open circuit in int and is grounded in off.

Make sure you have this piece and that it's well earthed to the switch screw.
If theres no ground to it the intermittent timer will stay on.

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

_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

flyboat · Posted: Tue Jan 24, 2012 7:41 am Post subject:

The new switch is only a 4 wire switch and it may not have that ground strip. I will investigate that tonight. Plus half the time I have been trouble shooting this problem the switch has not been installed, therefore not having a ground. This sounds like the logical problem. I'll try it again tonight.
Thanks
_________________
79 super Vert
62 Ragtop Bug
66 tintop Westy
Porsche 914
09 Z06 Vette track car

Chris Vellat · Posted: Tue Jan 24, 2012 1:52 pm Post subject:

flyboat · Posted: Tue Jan 24, 2012 2:06 pm Post subject:

I think I am going to take the guts from my old 6 wire and move it over to the 4 wire. Then I have new contacts and still have intermittant. I am going to check a ground first,
_________________
79 super Vert
62 Ragtop Bug
66 tintop Westy
Porsche 914
09 Z06 Vette track car

Joel · Posted: Tue Jan 24, 2012 2:41 pm Post subject:

Oh right, sorry I didn't realise you were using a 4 wire switch.

You will have to bypass the relay so it just works like a normal off/low/hi switch which is very easy to do.

Pull the relay out of the fuse box and put a jumper wire between 53M and 53S

Thats the middle one and the sideways one below it

Or you could add a toggle switch like Chris mentioned.
It would have to send a ground to terminal S on the relay to keep it off then go open circuit when you want intermittent.
_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

Boble · Posted: Tue Jan 24, 2012 2:52 pm Post subject:

Throwing in the original VW wiring diagram for the intermittent relay.
There are several good ones floating around, a lot easier to read than this one. Be aware that one hand drawn one has an error in it. Just remember that 53S goes to the Switch, and 53M goes to the Motor).

Boble · Posted: Tue Jan 24, 2012 3:08 pm Post subject:

... or in other words, here are some other ones. Made the schematics based on Joel's great intermittent relay how-to (he's the king!). I really love this function and have modified both my cars with intermittent wipers.

Joel · Posted: Tue Jan 24, 2012 3:13 pm Post subject:

Nice work, abit more impressive than my MSpaint diagrams, do you mind if I add them to my thread?
_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

Chris Vellat · Posted: Tue Jan 24, 2012 3:23 pm Post subject:

Next time I'm in Norway or Australia I guess I'd better get the first couple rounds...slick drawings, but it would be deluxe to have "switched/fused 12V feeding term 53a"
_________________
(3) '69's
'67 Baja
'74 Super
'73 Bay
(2) '77's

Joel · Posted: Tue Jan 24, 2012 3:31 pm Post subject:

You'll like this one then.
A member from Japan on SBO has done up my conversion to suit the factory 70s wiring diagrams in the thread on SBO

http://www.superbeetlesonly.com/forum/index.php?showtopic=12291
_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

Boble · Posted: Tue Jan 24, 2012 3:34 pm Post subject:

Chris Vellat · Posted: Tue Jan 24, 2012 3:37 pm Post subject:

It's nice when all of this information can be found in one place...is this thing a sticky yet Wink

_________________
(3) '69's
'67 Baja
'74 Super
'73 Bay
(2) '77's

Chris Vellat · Posted: Tue Jan 24, 2012 5:11 pm Post subject:

Not the cleanest thing ever, but the modular Std Beetle is a PITA to work on IMO...

I already had an accessory relay fitted in the second space, so I just plopped the wiper relays on either side:

_________________
(3) '69's
'67 Baja
'74 Super
'73 Bay
(2) '77's

flyboat · Posted: Tue Jan 24, 2012 5:20 pm Post subject:

After alot of head scratching and brow rubbing, I found my problem. And solved the problem. After a little ohm meter work to investigate what Joel suggested about not getting ground was true in part. The ground bar made good contact. The large contact bar and the long strips under the contact carrier had glazed over. Nothing had any continuity. After a little sand paper work, the darn thing worked like a new one.

Something so small is always the hardest to find I suppose.
_________________
79 super Vert
62 Ragtop Bug
66 tintop Westy
Porsche 914
09 Z06 Vette track car

Chris Vellat · Posted: Tue Jan 24, 2012 5:25 pm Post subject:

Cool...I took emory cloth to all the hard-to-reach contacts while I had the spring-holder frame out of the way, cleaned, and rubbed down with WD40.
_________________
(3) '69's
'67 Baja
'74 Super
'73 Bay
(2) '77's

justmarc · Posted: Tue Sep 11, 2012 7:52 pm Post subject:

Heres a diagram I modified and this worked for me but still trying to make the self park work. I took a scirroco blinker housing and switched and installed it into my 77 beetle. I wired the .99 relay so that it plugs into my fuse box. Anyone know how to make the self park work?

Thanks

Joel · Posted: Tue Sep 11, 2012 7:53 pm Post subject:

Have a read of the other thread you just posted in, you need to alter that diagram because it's wired wrong.

It's because you have the 53M and 53S arse about face on the relay and you are sending the intermittent signal through the park circuit instead of Low speed.

See my diagram:
just ignore the change over relay, thats so the stock Beetle switch operates the 6 pin watercooled intermittent relay

_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle

obnoxiousblue · Posted: Mon May 27, 2013 6:29 pm Post subject:

Joel, you seem well versed here. I've been reading up on this, and had all my parts (relay, harness, SWF switch with the second row of contacts) I thought I was ready to tackle this today but ran into some snags. Can you (or any of the intermittent geniuses here) weigh in on where you think I am going wrong?

For the sake of not reposting, here is my post in the intermittent thread!
http://www.thesamba.com/vw/forum/viewtopic.php?p=6682642#6682642

And here
http://www.thesamba.com/vw/forum/viewtopic.php?p=6682977#6682977
_________________
Mike
1964 Beetle
2001 Eurovan Camper

Dodgy · Posted: Mon May 27, 2013 11:52 pm Post subject:

I've just (re)done this on my 1303 and posted a how-to here http://www.thesamba.com/vw/forum/viewtopic.php?t=553930&highlight=

From your other thread it looks like you are using the original 5-pin relay, as I did, in which case the wiring diagram is different to the later 6-pin type with adjustable delay.

The original hand-drawn diagram Joel posted early on in this thread was mine, drawn about 15 years ago, but as he pointed out the 53M and 53S were reversed. The wiring diagram in my more recent thread should be correct, a bit more legible(!) and also shows internal switch connections and electric washer motor supply.
_________________
'75 1303 (current project) owned since 1989!
'72 Squareback - full resto completed 2008 - now sold
356 Speedster kit, completed 2005 - now sold

Joel · Posted: Tue May 28, 2013 12:08 am Post subject:

That diagram was very helpful when I first got started on that project.

Mike, check your other post in the bus forum, although it sounds like you have it nutted out now anyway.
_________________
Quick little bug, you got a Porsche motor in that?
1974 Germanlook 1303 2.5 Suba-Beetle


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