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Re: Automatic down/up of sunshades when reversing (archive)

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Posted by Jim Cash on July 03, 2000 at 13:55:36:

In Reply to: Automatic down/up of sunshades when reversing posted by Ole Vik on July 03, 2000 at 06:29:25:

: The rear sunshades have an annoying side effect in very strong sunshine, they are hard to look through when reversing because of glare.

: I had thought the following should be easily done for someone with the proper skills:

: If the sunshades are up when setting the car in reverse, the sunshades should be pulled down, then back up again when taken out of reverse.

: This is similar to the curb-looking option of the passager side mirror and could be controlled by the same switch on the driver door.

: Any experience or thoughts on this?

Not a bad idea, but woudl be a bit tricky to achieve.

The current circuit does not have an up/down selector. the control intellegence is built into the switch - which is just a push button actuator.

The logic in the switch reverses the previous action - and since it is all internal to the switch then it is not possible to access unless you figure out the workings of the crt board.

It might be possibel to devise a circuit using a micro switch on the blind and a logic circuit that ties into the reverse lamp circuit. It would have to provide an input to the IC board of the switch at the appropriate time.

The problem would be that the circuit would probably put the blind up every time you switched "out of reverse" - regardless if it had been up previously or not.

This is one that need software control - which we can't do - unless you want to build a processor control into the crt.

Jim Cash

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