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Intermittant Wipers


Grizzly

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OK - failed miserably in 2007 to get my wipers working on intermittant.

I think the problem was the aftermarket intermittant relay that I'd bought, was incompatible with the 1990 Ford Switchgear/VG Loom/Mini Wiper motor setup that I have. I did post a question some time ago and quite a few of you tried to help, but to no avail.

I really want to get this working. 2008 will be the year :D

I'm going to get hold of a Ford Intermmittant Wiper Relay (does anyone have one?)

Once I have this, does anyone have a diagram I could follow?

Many Thanks...

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Guest robinj66

Steve

I've got a spare relay - I'll put it in the post [assuming you haven't moved in the last few months :D ]

 

I can only suggest the Haynes Sierra manual for a diagram

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Guest robinj66

No worries :good:

 

Here's a diagram showing the internals of the relay. Perhaps someone more knowledgable than me can explain which pins are connected to what.

 

I shoulfd say that i only have 4 pin relays. All the digrams for Ford vehicles (Granada, Escort & Sierra) show a 5 pin relay for intermittent wipe but the ones i have salvaged (from a number of cars) have all been 4 pin. The "P" is missing - best I can work out is that this could be connected to a potentiometer (depending on the level of trim) which would give you a variable intermittent wipe speed. Just goes to show that all the cars I get to strip are poor quality models :cray: .

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Guest robinj66

Here's another diagram (again shamelessly borrowed from Mr H) showing the connections - hopefully someone will explain.

 

I should add that tis diagram is for post 1987 switches but i don't think it makes any difference to the relay.

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Seem to have deleted a lot of old diagrams from my computer. Will have a look in the back-up CDs. Certainly used to have the circuits. Could always draw them again! I think I may have posted them before and if it didn't help then it won't help now.

 

Nigel

ps never did get mine to work. Wired it in during the build according to Haynes and it just blew fuses. Never bothered to sort it out.

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I found a diagram on my PC last night (not sure where it originally came from) which must have been from when I was messing with this nearly a year ago. I don't have it here at work but I'll post it tonight.

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Thanks Les,

Yes, the diagram I mentioned must have been from you.

OK, first diagram shows how I've currently got my wipers set up:

It may be worth noting that currently, if I put the stalk to Intermittent whilst the wipers are running, they stop dead in their tracks.

post-1241-1199404361_thumb.jpg

 

The second diagram shows my reckoning with the Intermittent Relay spliced in:

post-1241-1199404418_thumb.jpg

Let me know anyone if you think I've got this completly wrong before I push on.

Many Thanks...

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Steve, just had a quick look at your last two pics. In the first of these you have pin 1 on the wiper motor connected to 31B2 on the column switches which is wrong! Take it direct to earth. 31B2 on the column has no connection if not using intermittent relay. Otherwise it is wired correctly for 83-87 stalks.

 

The second pic with the fixed timing intermittent is correct but ford use relay pin numbers as follows. your 2 is labelled 31B2 connected to 31B2 on the column, 3 is labelled 31B1 connected to 31B1, 4 is labelled 54 but connected to 53-2 on the column and 5 goes direct to earth. If you add in a variable wiper rheostat and use a 5 pin relay, the rheostat will have four connections on the back. Panel light live and an earth for illumination and two connections for the rheostat itself. One of these will have an ignition live supply and the other will go to the relay, pin P. Otherwise the wiring is as above.

 

Nigel

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OK, if 53c supplies live to the washers then they are 87 onwards stalks. In which case there is usually a change of marking on the stalk pins, 31B1 becomes B1 and 31B2 becomes B2. Not exactly rocket science but the ford electrical engineers were pushing back their boundaries. Otherwise the wiring diagram is still as you drew it.

 

Nigel

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Printed off your diagram and took it to work today to check it while I had nothing to do, looked fine to me as Nigel already stated.

It is exactly how mine is wired up as in my first diagram, (apart from the different colour wires), so with a ford relay it will work. (well mine does) :D

 

Les

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Guest robinj66
If you add in a variable wiper rheostat and use a 5 pin relay, the rheostat will have four connections on the back. Panel light live and an earth for illumination and two connections for the rheostat itself. One of these will have an ignition live supply and the other will go to the relay, pin P. Otherwise the wiring is as above.

 

Nigel

 

 

Aah! Rheostat.

 

That's what I was dribbling on about when I posted up Potentiometer. Couldn't think of the correct term :blush:

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