Light Tory slogan? (6)

I believe the answer is:

beacon

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'light tory slogan?' is the definition.
'beacon' can be an answer for 'light' (I've seen this before). I am not certain of the 'tory slogan?' bit.

'light tory' is the wordplay.
'light' becomes 'bea' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'tory' becomes 'con' (abbreviation for Conservative).
'bea'+'con'='BEACON'

Can you help me to learn more?

(Other definitions for beacon that I've seen before include "make light of it" , "Signal light on hill" , "guidance" , "Signal fire - lighthouse" , "Guilding light" .)

I've seen this clue in The Telegraph.

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