Whelen Alpha SL Delayed Airhorn Activation?

MattTheRadarTech

New Member
Feb 29, 2016
3
Vancouver, BC
Hey everyone,

I recently installed a Whelen Alpha SL specifically to use the airhorn with dual speakers, but I'm noticing an activation delay on the airhorn wire, which is a bit annoying since I have it tied into the horn ring circuit.

With the old Alpha 12 unit in my previous vehicle, I connected the white/orange (hands-free enable) wire to an ignition-switched source to put the siren into standby mode, which eliminated the delay. The install guide for the SL is slightly different. Assuming the SL is currently in Mode 1, would I just do the same?

Thanks.
 

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