Howler wiring

RBRONKEMA GHTFD

Senior Member
Morning all, I am in the middle of a install where I would like to use a whelen SLSA6 siren to control the operation of a whelen howler. I already programmed one of the 6 push buttons to momentary for triggering the howler. What I am wanting to do is use a 5 pin relay to complete the circuit between wires 7 and 14 in the howler harness. Here is a pic of what I am trying to achieve. My question is will it work? The siren is positive switched and the howler just needs the 2 wires to be connected for operation from what I can see. Any thoughts or other ways to go about it? Or how you may have done it with that siren?. I am trying to avoid using random push buttons. Thank you.
 

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MtnMan

Senior Member
Your circuit will work, but it’s not necessary. The SLSA6 has two outputs that can function as isolated NC/NO switches by moving the corresponding fuse. See section 5.2 of the manual. https://www.whelen.com/install/141/14130.pdf

You can also activate the Howler via ground switching (using wire 3), which makes things even simpler.
 
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RBRONKEMA GHTFD

RBRONKEMA GHTFD

Senior Member

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