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Author: Subject: How is the Brake Test Light Tested?
mark.silcock

posted on 7/5/19 at 10:45 AM Reply With Quote
How is the Brake Test Light Tested?

How do they test the low fluid level light during the IVA?
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mackei23b

posted on 7/5/19 at 11:17 AM Reply With Quote
I've taken a couple of cars through the IVA test, one of the testers took the reservoir cap of the master cylinder to check the level switch activated the warning lamp. I didn't notice how the tester did this on my last test.
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James

posted on 7/5/19 at 11:53 AM Reply With Quote
My brake fluid reservoir has a push button on the top.

They just pushed that on my SVA test.





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zx12r dug

posted on 7/5/19 at 12:03 PM Reply With Quote
Sure it's ignition on and handbrake off then test the cap if it's not got a button on then I guess they'll unscrew it and turn it upside down
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mark.silcock

posted on 7/5/19 at 12:24 PM Reply With Quote
Thanks, and how should this work with twin reservoirs, either reservoir can activate the switch?

I have a feeling the previous owner hasn't wired it up correctly and both reservoirs need to be pressed or low at the same time for the light to come on.

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mackei23b

posted on 7/5/19 at 04:30 PM Reply With Quote
Yes, I'd go for either cylinder to light up the warning
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mark.silcock

posted on 8/5/19 at 01:42 PM Reply With Quote
Thanks,

Has anyone got a basic wire diagram?

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CosKev3

posted on 9/5/19 at 02:33 PM Reply With Quote
It's simple wiring,the bulb has an ignition live to the positive side, then any switches you have go in the earth circuit.
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