Roger,
Many thanks for your detailed explanation.
I like the idea of the timer, if I install the timer I will still only get a 2/3rds wipe on each movement across the windscreen using terminal 5 but I intend to install one anyway. I will replace my existing single pole momentary switch with a double pole. This will allow me to have a single 2/3rds wipe on one action of the switch or say 3No. 2/3rds wipes on the other action, according to how long the timer is set.
I have sourced the switch and a time delay relay which should be with me tomorrow.
Brian
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