mcg
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| posted on 4/8/12 at 05:03 PM |
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Hazard tale tell help
Hi, I am wracking my brains to work out how to get the hazard tell-tale working. I am using the wiring diagram below. Indicators, indicator tell tale,
and hazards all work well, but I cant figure out how to get the hazard tell-tale working, only when the hazards are on. (It flashes when indicator is
on as well currently) I have tried a few things including using a relay, but cannot find a circuit within this set up that is only live when the
hazard switch is depressed. (And not live when it is not) Any help would be hugely appreciated. I have gone nowhere fast on this, and I really want to
get somthing other than my hooter sorted today!
Thanks in advance.
Matt
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monkeyarms
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| posted on 4/8/12 at 05:42 PM |
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I used this from the "How to wire a kit car - the easy way" which was my bible 
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I predict a Riot
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| posted on 4/8/12 at 07:12 PM |
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Disconnect all you wires to the hazard switch and with a multimeter or continuity tester check the relationship of pins 6 and 4.
I suspect that they are linked when the switch is activated and you can therefore drive a tell tale lamp by taking a wire from pin 4 to the lamp and
then the other lamp terminal to gound.
If 4 and 6 don't link then you will have to change one of your switches. I suggest the hazard switch for one with another pair of normally open
contacts.
[Edited on 4-8-12 by I predict a Riot]
"Honesty is a very expensive gift. Do not expect it from cheap people ". Warren Buffet on Expectation
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snowy2
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| posted on 5/8/12 at 04:53 PM |
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Just to clarify the diagram above, the haz switch has the top two connected together in the "off" position and the bottom 4 all together
in the "on" position.
sometimes you are the pigeon, most of the time the statue.
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coozer
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| posted on 5/8/12 at 05:21 PM |
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This is scanned out of the Sierra manual for the combined indicator/hazard switch in that car, as you can see the hazard switch simply bridges all
four pints and the hazard tell tale is on there. I found that this flashes all the tell tales when the hazards are on.
30 - fused live
54 -fused live, shared with reverse light switch
49- one side of flasher relay
49a - other side of flasher relay
Hope that helps.
[Edited on 5/8/12 by coozer]
1972 V8 Jago
1980 Z750
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mcg
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| posted on 5/8/12 at 07:47 PM |
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thanks for the replies. I ended up using pin4 as a constant when switched on, to switch on a rely that connected the tell tale to the flasher
relay.
Thanks again.
Matt
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