Car Alarms: pyle pwd121 alarm on 2002 ford explorer sport trac, remote starter installation, ford explorer sport trac

Question
Dear sir, does my sport trac have a negative or positive wiring?  for the door locks, this pyle alarm has three wires for lock and unlock , an orange,white& yellow for lock and a orange/blk, white/blk, &yellow/blk for unlock. which goes where?  Another thing would be the door trigger wire, to where would i connect this wire to., and last do i need to connect the tach wire, what is this wire for?
thanks, your input would be greatly appreciated
abel hdz.

Answer
Hello ,
 Yes, This Wire Color/Location/Polarity
Data Chart Is Available From Our Database
for YOUR 12 Volt Security/remote start/
keyless entry Installation Project!

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Car Alarm, Keyless Entry & Remote Starter
installation project.

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Robert Martin
Customer Support Services
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www.WIRINGCHARTS.com