macspeedy
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| posted on 11/5/04 at 05:51 PM |
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brake light testing test thingy
I remember when i owned my minis that there was a brake testing switch thingy and that i now need it for my car or do I help!
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Mk-Ninja
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| posted on 11/5/04 at 06:01 PM |
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There should be a switch already fitted on the sierra master cylinder, just press the yellow cap on the top.
I'm sure I've got one, just don't know where I've put it
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NS Dev
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| posted on 11/5/04 at 06:10 PM |
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I have wondered about this one, if you have a combined hadnbrake warning light/low fluid warning light, does the handbrake count as a test switch??
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Mk-Ninja
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| posted on 11/5/04 at 06:14 PM |
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Dont think so the tester on my sva checked the button on the master cylinder as well as the handbrake.
I'm sure I've got one, just don't know where I've put it
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NS Dev
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| posted on 11/5/04 at 06:20 PM |
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Ok, thanks, I'll make sure that the "floaty buttons" work right!!
Cheers
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macspeedy
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| posted on 11/5/04 at 06:22 PM |
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be'in stupid here, what does that proove
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Mr G
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| posted on 11/5/04 at 06:33 PM |
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The correct setup as per production ford is that the dash light is handbrake and fluid level warning. Putting the handbrake on tests that the bulb is
working - the test plunger on the reservoir(s) tests that the low level warning circuit is operating ok.
Aftermarket looms (premier etc) are the same setup as ford etc
Cheers
G
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Mk-Ninja
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| posted on 11/5/04 at 06:34 PM |
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guess it proves the low level warning system functions, then normaly the handbrake proves the bulb is ok. I guess you could just unscrew the cap to
effect the test though.
I'm sure I've got one, just don't know where I've put it
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Fifer
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| posted on 11/5/04 at 06:37 PM |
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You dont need the H/Brake light to work.
You do need a means of testing the brake fluid low level switch from the driver seat and they will test the switch from the master cyl also. Oh, and
the test switch in the dash must have the correct sign on it.
On spilt systems you will need both master cyls to work also
I think
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macspeedy
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| posted on 11/5/04 at 06:56 PM |
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but surely production cars do not have a method of checking the level light from the drivers seat so..
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Fifer
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| posted on 11/5/04 at 07:03 PM |
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Turn on your production car ignition, the brake warning light comes on. Start up, it goes off. Fluid level falls, it comes on. I guess the SVA needs
to see that the brake fluid level swiotch is a) working and b) comes on when fluid level falls.
Thats my interpritation from the book and how I did mine.
Maybe an overkill but should keep them happy.
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Mr G
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| posted on 11/5/04 at 07:22 PM |
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I think the misunderstanding is the wording of the post i.e it looks like you need to be able to check the reservoir tester plungers from inside the
car.
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britishtrident
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| posted on 11/5/04 at 09:22 PM |
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The handbrake switch qualifies as the bulb test from the drivers seat.
The old Talbot Sunbeam had it the bulb test via the door courtesy lamp switch.
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NS Dev
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| posted on 11/5/04 at 11:03 PM |
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Right, just read the SVA bible and you don't actually need the lamp for low fluid level warning at all if you have clear reservoirs. If the
reservoirs cannot be seen through then you need the lamp, but it is indeed (as Britishtrident says) the "lamp" that is tested from the
drivers position, so the handbrake is fine as the "test switch" (as is the courtesy light switch or anything else for that matter)
It specifically says "without opening the reservoir" as well as "from the driver's seat" so even if you can reach the
reservoirs undoing the tops is no good!
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NS Dev
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| posted on 11/5/04 at 11:07 PM |
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quote:
Originally posted by snoopy
the correct wording is a self test level switch you can buy them like the mini ones which when pressed will illuminate to prove it works and mr
sva man will test it at dash and master cylinder and as stated it has to have the correct symbol on it also if using bias brakes he likes 1 reservior
with level switch in spliting off to master cylinders
with all due respect, if this is what the SVA man thinks then he can get stuffed!! I would rather have two reservoirs thanks all the same! That way
with a level lamp on each and a leak on one circuit you get a warning and 1/2 your brakes still working!! If you have one reservoir then you get a
lamp then very quickly no brakes at all!!!!!!!!!!!!!!!!!!
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Hellfire
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| posted on 11/5/04 at 11:32 PM |
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quote:
Organically posted by NS Dev
with all due respect, if this is what the SVA man thinks then he can get stuffed!! I would rather have two reservoirs thanks all the same! That way
with a level lamp on each and a leak on one circuit you get a warning and 1/2 your brakes still working!! If you have one reservoir then you get a
lamp then very quickly no brakes at all!!!!!!!!!!!!!!!!!!
That is a very fair point actually. Maybe having two reservoirs means having to install two level switches then? Both linked to handbrake or as stated
a seperate 'test' switch.
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NS Dev
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| posted on 12/5/04 at 07:06 AM |
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Yes, that's right, I was planning on using Girling integral m/cyls with Ford level sensonr caps on as per someone on this site's photos,
and have the caps wired so either or both will switch the light on.
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britishtrident
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| posted on 12/5/04 at 10:13 AM |
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quote:
Originally posted by NS Dev
snip
with all due respect, if this is what the SVA man thinks then he can get stuffed!! I would rather have two reservoirs thanks all the same! That way
with a level lamp on each and a leak on one circuit you get a warning and 1/2 your brakes still working!! If you have one reservoir then you get a
lamp then very quickly no brakes at all!!!!!!!!!!!!!!!!!!
Dual resevoirs should devide halfway down so tht one circuit should still have a reserve in the event of a leak but some are much better than
others in this respect.
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