Crazy Jay
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| posted on 25/4/07 at 11:26 AM |
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Brake fluid warning light
I was wondering if any1 can tell me how to connect the brake warning light up. Is it just a case of connecting the sensor on the brake cap to the
battery then to a light? Or is this wishfull thinking? Cheers, Jay
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Ketchup
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| posted on 25/4/07 at 11:32 AM |
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pretty much that simple, give the bulb a 12v feed, then use the switch to give it an earth, thats what i did anyway 
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RazMan
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| posted on 25/4/07 at 11:34 AM |
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You could use your handbrake switch if you have one.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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Crazy Jay
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| posted on 25/4/07 at 11:41 AM |
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Oh brilliant
Wud use the handbrake but i dont have the switch unfortunately. Did I read that it needs a button to test it? If so how wud that work? Cheers again
n
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Schrodinger
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| posted on 25/4/07 at 11:41 AM |
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Wire it in parallel with the handbrake switch. IIRC you have to be able to check that the light is working from the drivers seat for sva, ie pull on
the hand brake.
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zxrlocost
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| posted on 25/4/07 at 11:42 AM |
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hi mate
I used the front brake light switch off the r1 as that has a 12v feed only the 1 wire remember
from memory
1 side of your MC plug goes to earth then the other side to earth on your warning light
positive on your warning light goes to + feed on your r1 loom
then when you press the top of the MC it should light up
youve then got to encorp your handbrake earth into your earth side of the warning light aswell
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zxrlocost
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| posted on 25/4/07 at 11:43 AM |
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you really could do with an handbrake switch
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Crazy Jay
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| posted on 25/4/07 at 11:43 AM |
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quote:
Originally posted by Schrodinger
Wire it in parallel with the handbrake switch. IIRC you have to be able to check that the light is working from the drivers seat for sva, ie pull on
the hand brake.
Oh so u just have to show that the light CAN turn on?
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nib1980
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| posted on 25/4/07 at 11:43 AM |
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quote:
Originally posted by Schrodinger
Wire it in parallel with the handbrake switch. IIRC you have to be able to check that the light is working from the drivers seat for sva, ie pull on
the hand brake.
Is that the same for me. I have a handbrake switch, but i also have twin metal girling master cylinders. do i need a sensor for each cylinder?
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BenB
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| posted on 25/4/07 at 11:44 AM |
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Pretty much yes!!! The sensor cap has a float in it attached to the top of the float is a ring of metal- when the float decends (ie low level of fluid
left) it completes a circuit between two metal nipples. So it should go battery-sensor-light.
It doesn't matter whether you switch the +ve or -ve.
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Crazy Jay
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| posted on 25/4/07 at 11:45 AM |
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quote:
Originally posted by zxrlocost
hi mate
I used the front brake light switch off the r1 as that has a 12v feed only the 1 wire remember
from memory
1 side of your MC plug goes to earth then the other side to earth on your warning light
positive on your warning light goes to + feed on your r1 loom
then when you press the top of the MC it should light up
youve then got to encorp your handbrake earth into your earth side of the warning light aswell
Cheers for all the info fella's, gonna go out and hav a crack at it now. No doubt i'll be in askin more silly questions tho
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BenB
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| posted on 25/4/07 at 11:46 AM |
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I must learn to type quicker!!! LOL
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locoboy
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| posted on 26/4/07 at 11:15 AM |
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Im doing this too at the moment.
Sierra M/c has 3 terminals.
As you look at the terminals 1 - 2 - 3
there is always continuity between 1 and 2 with the cylinder full or empty
There is continuity between 2 and 3 when the button is pressed when the cylinder is full, but not when its pressed when its empty?
and no continuity between 2 and 3 when the cylinder is empty and no button pressed!
Whats going on?
Anyone got a diagram of how to wire this up in conjunction with my handbrake switch?
Cheers
ATB
Locoboy
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