Second brake switch (cruise control) location?

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Am trying to retrofit cruise control on my '02 VTR HDi

Stalk fitted, activated in both BSI and injection ecu on lexia

However, is saying brake switches are not in coherance.....probably because there isn't a second brake switch i suspect. It's the red one i'm trying to locate

However, i can't find its location, any ideas?

[wheeler]

Assuming that this is a C5 ?? the secondary brake switch is located beside the brake light switch up behind the passengers side glove box.
See here for further info > http://www.frenchcarforum.co.uk/forum/v ... =3&t=45175

[acf8181]

soz, xsara