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It was for DRLS or even LED driver (40kHz) and can be used either for Headlites on when wipers are on (rain mode) or can be used for LED taillight bright / dim / brite - like turning - running lite to brake lights.

The 40kHz mode is kinda' a giveaway. Note the signal is used to "Clock" the inputs of the others in the quad - acts like a refresh to check status of the other input to toggle accordingly. So if the Nite-time reminder was set - DRLS switched to Headlights (nighttime mode) and if you happen to be driving and it started to rain, the wipers line (or any other set of lines for various inputs) - See pin 5....

[QUOTE="Handy Andy, post: 684047, member: 52309"] It was for DRLS or even LED driver (40kHz) and can be used either for Headlites on when wipers are on (rain mode) or can be used for LED taillight bright / dim / brite - like turning - running lite to brake lights. The 40kHz mode is kinda' a giveaway. Note the signal is used to "Clock" the inputs of the others in the quad - acts like a refresh to check status of the other input to toggle accordingly. So if the Nite-time reminder was set - DRLS switched to Headlights (nighttime mode) and if you happen to be driving and it started to rain, the wipers line (or any other set of lines for various inputs) - See pin 5.... [/QUOTE]

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