# Anyone here good at automotive electrical work?

**URL:** <https://forums.speedlife.net/t/anyone-here-good-at-automotive-electrical-work/253445>\
**Category:** Shift518 Automotive\
**Created:** [July 23, 2010, 5:45pm UTC](https://forums.speedlife.net/t/anyone-here-good-at-automotive-electrical-work/253445 "2010-07-23T17:45:08Z")\
**Posts on this page:** 1\
**Showing post:** 23

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**Author:** ![ninety1two40](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ninety1two40/32/6332_2.png) [@ninety1two40](https://forums.speedlife.net/u/ninety1two40)\
**Post date:** [July 23, 2010, 11:43pm UTC](https://forums.speedlife.net/t/anyone-here-good-at-automotive-electrical-work/253445/23 "2010-07-23T23:43:24Z")

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> [@f.s -sirius sat reciever](https://forums.speedlife.net/t/f-s-sirius-sat-reciever/33716/4):
>
> If that’s the case though(and it is a full 12v pulse) he could use a switching relay that doesn’t require continuous power to remain in a closed position. Ultima GTR uses one to switch between high and low beam headlamp relays and operates off a 12v momentary pushbutton.

According to the FSM it looks like a continuous 12V pulse at 10ms intervals…

I think to interface properly he’d be better off with a circuit board setup with opto-couplers and a basic logic setup to meet his requirements. More work than I have time to mess with lol

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