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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by danny caudill[/i] [br]I am a electrical contractor we have gps devices on our service trucks the gps device pulls very little current but if the truck is let set for a week the battery will be run down. I have come up with a timmer relay that, after the timmer times out,thru a holding contact will drop power to both the timmer relay and the gps device. my problem is that the relay i am using is expensive and too big in size. I have seen pneumatic relays that deactivated based on time after the power to the device is taken away. I need something that is small in size and can be mounted under the hood. It needs to hold the relay contact closed for 4-8 hrs after the power has been turned off. thanks for any help DTC [/quote]    Insert an Image File (GIF, JPG, JPEG, BMP, ZIP, PNG) Check here to include your profile signature.