Danozeman
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| posted on 31/3/10 at 03:00 PM |
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whos got relays for there wipers?
as above. Just wiring up my wipers with durite switches. The diagram i have shows no relays is this right?
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2cv
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| posted on 31/3/10 at 03:36 PM |
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If your switch is rated to switch in excess of the current taken by the wiper start then you will not need a relay.
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02GF74
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| posted on 31/3/10 at 07:07 PM |
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depends - there is a circuit diagram using 2 relays for 2 speed self parking wipers using a simple switch.
you need to post your circuit diagram for me to make any other comment.
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Danozeman
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| posted on 31/3/10 at 07:15 PM |
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Description
Here.
What size wire would you use?
[Edited on 31/3/10 by Danozeman]
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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David Jenkins
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| posted on 31/3/10 at 08:23 PM |
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I based my wire size on the thickness of the wires going to the wiper motor connector - assuming that you've got one of those, make a judgement
on them.
FYI - the Lucas manual says that the current consumption of a 2-speed motor should be around 4 Amps if everything is in good order, so 16A thinwall
cable should be more than adequate.
If your power-carrying wires are quite long, then go up a size to reduce resistance.
[Edited on 31/3/10 by David Jenkins]
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RK
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| posted on 31/3/10 at 09:13 PM |
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the westfield diagram looks standard from what I've seen. The advantage to the Lucas-type switch/no relay setup is that the park function works.
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iank
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| posted on 31/3/10 at 09:39 PM |
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What is your fuse rated at? The switch and wire should be rated more than the fuse else they could 'blow' first - which is expensive and
inconvenient even if it doesn't start a fire in the scuttle 
I think the worst case current draw is if the wiper motor is stalled by something - in that case you probably want the fuse to pop, but an accidental
dry wipe probably shouldn't even if that's a touch above the normal motor starting spike. It may require some experimenting to get right.
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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