Not familiar with Avital 4300 unit but.......
Primary harness H1
armed output not used
light flash white to brown at switch * set to (+) output
remote start activation not used
dome light optional
door trigger - green to blue/white
multiplex blue to
door trigger not used
ground black to ground
empty
siren + brown to + of siren
2 channel validity red/white to ?
auxiliary harness H2
factory disarm light green/black to dark green/purple
factory Alarm Rearm green/white to ?
programmable channel 4 not used
programmable channel 5 not used
wait to start not used
second unlock output not used
door lock harness 3 pin
green to pink/lt green Type B with factory keyless entry
blue to pink/yellow
Keyless Module under driver dash or PKP.
Type C REV without factory keyless entry use the 451M Door Lock Module for Type C locks.
remote start ribbon
ign2 acc2 relay turn on pink/white to 30/40 Amp SPDT relay Pin 85
ignition input to alarm yellow to
ignition relay turn on pink to
accessory relay turn on orange to all connected to heavy gauge relay satellite
starter relay turn on purple to
anti grind orange/black to
status blue to ( could be used for 556UW Status Input instead of Blue/White )
heavy gauge relay satellite
output to starter purple to red/lt blue ** cut wire - vehicle side
starter input from ign green to red/lt blue ** cut wire - ign switch side
12v high current red to yellow
output to accessory orange to grey/yellow
output primary ignitionpink to dar blue/light green
high current 12v red to other yellow
output to ignition 2 pink/white to black/green
high current red/white to light green/purple
the car does have a 3rd ignition labeled as to transmission do i need this? yes
30/40 Amp SPDT relay
Pin 85 to IGN2 (-) above
Pin 86 and 87 to +12V constant light green/purple through 30 Amp fuse
Pin 30 to Red/Black IGN3
remote start harness H3
2nd status rear defogger blue/white to blue on 556u
hood pin switch grey to hood pin switch
brake shutdown brown to light green at top of brake pedal
tach violet/white to Pink/White @ Coil
neutral safety switch black/white to Chassis Ground if auto trans
dei 556u remote bypass
12v constant red to yellow or other 12constant
status input blue to blue/white on H3 harness
true ignition input pink to red/lt blue
ground black to ground
key sense input + not used
key sense input - green to BLACK/PINK (-) @ IGNITION SWITCH HARNESS
Does the truck have Factory Remote Keyless Entry? no = need 451M
Does the truck have a chipped key? yes = need 556UW
Soldering is fun!