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VE Calais warning brake light on dash

Jamc

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Hey everyone, anyone had a warning brake light come up on dash on a ve calias, if so what did you do to fix it, I've checked the hand brake switch that seems to be working fine, could it be the brake fluid switch on the master cylinder, if it is this can the switch just be changed or do have to replace the whole master cylinder.
I wouldn't of thought it would be a wheel speed sensor, cause I would of thought that would throw a ABS warning light, all your help would be muchly appreciated
 

Jamc

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Ok so i think ive found the problem in the brake fluid reservior switch, with oil in the reservoir disconnected the plug from level switch and did continuity test and there I have continuity across the two terminals, which I believe should only happen when fluid is low, so looking like a dodgy level switch.
Does anybody know if just the switch can be changed or does the whole reservoir need to be changed.
 

07GTS

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Jamc

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