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How do I wire a hazard switch to the turn signals? Stuggling to get both working.. (imgur.com)

submitted 11 months ago by kjpctech to c/electricians

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Sorry if this isn't the right community. I'm adding blinkers to a side-by-side and I have the blinkers working. However I can't understand how to connect the hazard switch to the blinkers without losing the blinker functionality. When I connect them it makes both blinkers go off when I try to use the blinkers. Is someone able to point me in the right direction? Thanks!

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[–] kjpctech 1 points 11 months ago (2 children)

If you ignore the hazard switch in the image I posted that is what I have wired. 1 & 3 on the blinker switch are connected to blinkers on each side. I got lost when the hazard came into play.. Do you understand what the directions are saying with "+ switch negative", "negative led light inside switch", etc? I looked at the diagrams you linked but it's hurting my brain even more at this point :)

[–] agent_flounder 2 points 11 months ago (1 children)

Ok sorry for this janky drawing but I think this is a correct representation of how to wire everything. Maybe?

What should happen is with hazards on, both L and R lights blink together and the turn signal switch has no effect. When hazards are off, the appropriate turn signal operates if you select R or L turn otherwise nothing flashes.

[–] kjpctech 2 points 11 months ago (1 children)

Thanks! I think that is what I was originally trying. By adding the hazard "3" connection to both sides of the blinkers it ends up connecting them so that whether I use blinkers or hazards it's all the same. I'm going to do some more debugging with a multimeter and see if I can understand the switch more. I'll probably just end up getting diodes and wiring it like this diagram with diodes. Just bothering me that I might be missing something.

[–] agent_flounder 2 points 11 months ago* (last edited 11 months ago) (1 children)

Gotcha. I think diodes are the easiest solution here. Idk what they were thinking with these instructions.

If the hazard switch was a dual pole, then you could connect the right side to one pole and the left side to the other pole and then it would only connect Left and Right when hazards are on.

[–] agent_flounder 2 points 11 months ago (1 children)

With diodes:

With dual pole hazard switch:

[–] kjpctech 1 points 11 months ago (1 children)

Added the diodes today and it's all working great! Thanks for helping me understand this!

[–] agent_flounder 2 points 11 months ago

That's awesome, congrats!

[–] agent_flounder 2 points 11 months ago

Yeah that diagram is just a bit tough to follow. (And by that I mean ...wtf is that unholy mess lol). I can see why you're struggling.

I gather the switch is illuminated by an LED so there are two pins to power that internal LED. For now just ignore those. You can hook em up later.

I am not sure what they mean by "+ switch negative" and "+ switch positive". Is this by any chance translated from the original Chinese ? :)

If you have a multimeter it might be helpful to just figure out what the switches are doing.

I gotta think about this some more because this diagram makes no sense right now.