Adding DEI 516L & 508d to 6500ESP

Vehicle:  2004 Mustang V6

Hey folks, 

1. Should I/ do I need to diode out one of the multiplex connectors when I go to bridge those two sensors?

2. The 516L has the three trigger inputs for the custom messages, assumed (-), so logic states I choose one of those wires and tap only the second stage trigger wire of the multiplex, as long as the ESP can deal with the bridged inputs and differentiation between warn and trigger, right?

3. I don't want to use the 'Vallet Starting blah...' voice promts from the 516, I'd rather have one of the programmed responses for starting the vehicle, a one-shot [sound] that won't repeat.  Has anyone has any experience with rigging this and/or is it possible to reassign a programmed output to the remote start? I see that with the 516, when you trigger a message-trigger input longer than .8 seconds, the system plays a full message until 'siren' resets. Does this mean that, for example, if the unit is monitoring the alarm siren, if the remote start fires and triggers a multi, the 516 will trigger appropriately, but will then immediately silence after one cycle due to no ESP siren output (even though the multiplex on the 516L is receiving a continual trigger)?* 

4. Lastly, and probably simple, any suggestion in the 'stang as to where to hide the disturbance sensor where it'll do the best work?

Take it easy, and TIA.

--Andy

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UPDATE (for anyone who's interested):

Installed proximity sensor (508d) beneith the center console, just below the tiny coin-slot space in front of the molded cupholders. FYI, that location (1) seems optimally center and (2) when mounted just right, the field adjustment screws are directly below the coin slot's opening when removed.  [DING!]

The 516L I plan to install behind the stereo. I have already pre-programed the three multiplex inputs using a phono cord between the unit and my laptop for audio. (NOTE: keep output volumes LOW)

Now comes the joy of isolating all the triggers properly.

Completed Install.

Still adjusting Proximity sensor, found tip for location on different board. It was further suggested to install a bypass toggle for the warn away zone to prevent annoyance in quiet areas.

Wired up mic input of 516L with a splitter and toggle for mic switch to be able to feed onboard laptop audio through PA feature for show.

Unless anyone has other tips for calibrating/locating the 508d Proximity, I consider this topic closed.