PSS- remember to run the power to the door locks and the parking light flash through totally different power wires VS the actual power wire to the brain- so you will have two sets of power wires-

One for the accessories like parking light power and door lock

The other strictly to power the siren and the alarm module itself.

protect the alarm from being disabled if someone smashes your tail light to short your alarm.

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03 540I (GAK!!)
81 280E (W123)
70 LeMans Sport with pissed off Poncho 462"
1989 Silverado Step Side (under the knife- complete restomod)