alarm install

508d requires its own power and ground, so just cut the black and red on the harness for the 508d, use your GWA for ground and just 12v for the red wire, the tilt sensor should be fine just plugging it in to the mux port.

 
508d requires its own power and ground, so just cut the black and red on the harness for the 508d, use your GWA for ground and just 12v for the red wire, the tilt sensor should be fine just plugging it in to the mux port.
where do i wire the blue and green wire of the 508d

 
Oh yeah, forgot about those. Blue and Green will both go to the green wire on the mux port, I would diode isolate just in case. But I would definitely run ground to GWA (Ground when armed) it prevents false alerts.

 
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