Is it a relay??

[16V-AL]

White box behind left hand dash speaker ( roughly 3 quarters the size of a computer mouse) says klaxon on it. My 1 keeps clicking wen ignition on never noticed it before?

[MAXIBOY]

yeah think its a wiper relay timer.

[Coops]

my guess would be after market alarm central lockin unit

[speed]

its deffo oe as there is a holder built into the dash, i have one