Alarm parts interchangable?

[subzero 5,000+ posts]

I bought this alarm on egay and figured I would be ok but I am finding that I might want to add more sensors. Can I do this.

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[Worlddre 5,000+ posts]

It might help to share the alarm make and model.

 

[subzero 5,000+ posts]

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWNX:IT&item=320122446431

I bought this one

 

[masterbassin 10+ year member]

they might.might have to use a diode to isolate themall depends how many trigger points the alarm has.ie...hood/trunk circuit,doors,shock sensor.etc...

 

[subzero 5,000+ posts]

ok so I guess I would just take it a more experienced installer