avital 5303 in a 07 suzuki forenza

I am ordering the avital 5303 . First time installing an alarm system/remote unlock/ remote start. Still don't understand everything. I don't need a bandpass imbolizer. I pulled my vechile wiring diagram up. Kinda confused on relays. If my car don't have power locks and I have to lock my door with the key. Will the remote unlock feature work

If you don't have them, here are some additional sources for vehicle wiring:
Here is a link to Bulldog Security : https://www.bulldogsecurity.com/bdnew/vehiclewiringdiagrams.asp
Here is a link to Ready Remote : https://www.readyremote.com/main.asp
Here is a link to AudioVox : https://techservices.audiovox.com/AccessRequest.aspx    Sign-up & info is free.

Download the info from these sources and compare them. There will be some differences.   Make up a
cheat sheet and use that as a guide when you open up your car and start locating and verifying the actual
wires. There should be a 5303 Install Guide in the Downloads section.   While it doesn't go into detail,
it will provide most of the info you need. Make up a wire connections sheet and post it for review and
comments from the Forums members. There is a Sticky for this at the top of this area.

Power door locks : When you insert the key in the drivers door and turn it to the lock position, does it
cause all the door to lock or just the drivers door?    If it locks all the doors, does turning the key to the
unlock position unlock all the doors?

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Soldering is fun!

It's been a while since I've done a forenza but heres what I do remember. On some of them there was no drivers door actuator. The doors were controlled by the drivers door. So if you added an actuator to the drivers door it would control all the doors . The ingition harness was easy to get to. The door trigger is under the drivers sill plate. You can get the parking lights in the column harness or switch.

If you end up needing more I can go pull my notes on the car.

Take your time and test every wire using a volt meter

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If i Can't Install it    I Don't need it   Joe

Turning the key locks and unlocks all my doors but sometimes it won't . My locks skits out sometimes.

Chev104275 can give you all the gory details but I'm guessing you have the Forenza Base model.
You should be able to get the 5303 to control the door locks if you add an actuator solenoid to the
driver's door lock. You will need a lock solenoid kit ( $5 ) and two 30/40 Amp relays ( $8 ) to control it.
Here is a link to the relay wiring : https://www.the12volt.com/doorlocks/page3.asp#arp

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Soldering is fun!

Normaly if I turn the key it locks all doors and if I unlock it unlocks all doors. But lately when I lock or unlock just does driver door or it will do all of them but cople min after I do it and sometimes they skits out

I'm guessing you don't have an interior door lock swich on the door correct ? You need to use the key in the door to operate the locks ? If this is the case you will need to add an actuator on the drivers door. The locks not functioning is an issue with the car that would have to be addressed for the locks to function with the 5303.

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If i Can't Install it    I Don't need it   Joe

What would cause them to malfunction

Could be wiring , could be the contacts inside the drivers door key switch, would need to get onto it to diagnose it

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If i Can't Install it    I Don't need it   Joe

Scratch that lol I do have a lock/unlock switch on my driver door

So ALL the doors lock and unlock using the interior switch ? Including the drivers door ? If so then there is a light GREEN / WHITE for lock and a yellow unlock in the dkp.   Both negative trigger

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If i Can't Install it    I Don't need it   Joe

Yes all doors lck and unlck with driver door switch. When do I use relays

No relays should be needed for the locks. The 5303 has negative lock outputs that are used to control the cars factory relays. In your case the wire colors I listed above should work directly connected.

Test everything using a meter before connecting into any wiring

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If i Can't Install it    I Don't need it   Joe

When do I use relays tho I'm having trble understanding relays. Will I need relays at all for the avital 5303

H1/1 (need relay?)
RED / WHITE
(-) 200mA TRUNK RELEASE OUTPUT
brown (driver kick pannel)

H1/2
RED
(+)12v CONSTANT POWER INPUT
red (igition switch)

H1/3
BROWN
(+) SIREN OUTPUT
red of siren and black wire of siren ground to chassis

H1/5
BLACK
(-) CHASSIS GROUND
ground to chassis

H1/6
VIOLET
(+) DOOR TRIGGER INPUT, ZONE 3
dnt use

H1/7
BLUE
(-) MULTIPLEX INPUT, ZONE 4
blue and green wire of dual shock sensor

H1/8
GREEN
(-) DOOR TRIGGER INPUT, ZONE 3
purple (driver kick, harness to rear)

H1/9
BLACK/ WHITE   (need relay?)
(-) 200mA DOME LIGHT OUTPUT SUPERVISION OUTPUT
not sure

H1/10
WHITE/ BLUE
REMOTE START (-) ACTIVATION INPUT
not sure

H1/11    (need relay?)
WHITE
(+/-) SELECTABLE LIGHT FLASH OUTPUT
PURPLE / white (L), BROWN / white (R)   (driver kick,harness to rear)

H1/12
ORANGE
(-) 500mA GROUND WHEN ARMED OUTPUT
not sure

H2/1
LIGHT BLUE
200mA (-) 2nd UNLOCK OUTPUT
not sure

H2/2
WHITE/ BLACK
200mA PROGRAMMABLE (-) AUX 2 OUTPUT
not sure

H2/3
VIOLET/BLACK
(-) 200mA PROGRAMMABLE (-) AUX 1 OUTPUT
not sure

H2/4
GREEN / WHITE
FACTORY ALARM REARM OUTPUT
lt. blue (driver door key cylinder)driver kick, door harness     

H2/5
GRAY/BLACK
(-) DIESEL WAIT TO START BULB INPUT
dont need

H2/6
LIGHT GREEN/ BLACK   (need relay)
FACTORY DISARM OUTPUT
lt. green (driver door key cylinder)driver kick, door harness

H/1
PURPLE
(+) STARTER OUTPUT
blue(starter motor)

H/2
GREEN
STARTER INPUT
blue(key igition)

H/3
RED (2)
(+) 12V INPUT FOR HIGH CURRENT OUTPUTS
not sure

H/4
ORANGE
(+) ACCESSORY OUTPUT
not sure

H/5
PINK
(+) IGNITION OUTPUT
pink(ignition harness)

H/6
PINK/WHITE
(+) SECOND IGNITION ACCESSORY OUTPUT
brown(ignition switch)

H/7
RED / WHITE
(+) 12V INPUT
H/2

H3/1
BLACK/ WHITE
NEUTRAL SAFETY SWITCH INPUT
not sure

H3/2
VIOLET/WHITE

H3/2
VIOLET/WHITETACHOMETER INPUT
gray(instrument cluster)

H3/3
BROWN
(+) BRAKE SWITCH INPUT, ZONE 1
lt. blue (brake switch or driver kick)

H3/4
GRAY
(-) HOOD PIN SWITCH INPUT, ZONE 1
hood pin

H3/5
BLUE/WHITE
(-) STATUS OUTPUT
not sure

H4/1
ORANGE / BLACK
200 mA PROGRAMMABLE (-) AUX 3 OUTPUT
not sure

H4/2
BROWN
200mA (-) HORN OUTPUT
not sure

LIGHT BLUE
(-) UNLOCK OUTPUT
lt green(driver kick)

LIGHT BLUE
(-) UNLOCK OUTPUT
yellow(driver kick)

Why not set the Avital 5303 H1/11 White Parking Light output to (-) and connect it to
Parking Lights     White (-)     @ headlight switch, 6 pin plug, pin 6 ? If you wish to use
the Forenza's (+) Parking Light Rt & Lt wires you must use a relay or two 8 Amp diodes
to isolate the two wires.

H/1 PURPLE (+) STARTER OUTPUT Blue cut wire (starter motor side)

H/2 GREEN STARTER INPUT Blue cut wire (key igition side)

H/3 RED (2)(+) 12V INPUT Red @ Ignition switch harness

H/4 ORANGE (+) ACCESSORY OUTPUT        Orange @ Ignition switch harness

H/5 PINK (+) IGNITION OUTPUT        Pink(ignition harness)

H/6 PINK/WHITE (+) 2nd IGNITION / ACC OUTPUT      Brown(ignition switch)   ******Set to ACC2

H/7 RED / WHITE (+) 12V INPUT  Red @ Ignition switch harness


H3/1 BLACK/ WHITE NEUTRAL SAFETY SWITCH INPUT     To chassis ground or Parking Brake

H3/5 BLUE/WHITE (-) STATUS OUTPUT not used

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Soldering is fun!

on H/6 PINK/WHITE (+) 2nd IGNITION / ACC OUTPUT      Brown(ignition switch)   ******Set to ACC2
what do you mean set to acc2?

H1/1
RED / WHITE
(-) 200mA TRUNK RELEASE OUTPUT
brown (driver kick pannel)

do i need A relay?

H1/9
BLACK/ WHITE   (need relay?)
(-) 200mA DOME LIGHT OUTPUT SUPERVISION OUTPUT
not sure

H2/6
LIGHT GREEN/ BLACK   (need relay)
FACTORY DISARM OUTPUT
lt. green (driver door key cylinder)driver kick, door harness
i need a relay for this one correct?

And will the driver door set off all door triggers?

That 5303 thick Pink/White output wire can be programmed for either Ignition2 ( default ) or Accessory2. Your car needs an ACC2 connection.   I believe it is Menu 3, Menu Item 6.
There should be an Avital 5303 Installation Guide in the Downloads

H1/1 RED / WHITE (-) 200mA TRUNK RELEASE OUTPUT    Brown (+)    @ (driver kick panel)
Yes, you will need a relay to convert the Avital's (-) Trunk Release output to the (+) signal the car needs.

Does your car have the Factory Alarm?
H2/6 LIGHT GREEN/ BLACK FACTORY DISARM OUTPUT (-)       Lt. Green (-)     @ driver door key cylinder)driver kick, door harness
i need a relay for this one correct?   No

This wire   "Door Trigger Purple (-)   @ driver kick, harness to rear " is listed as "All door trigger".

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Soldering is fun!

H1/9
BLACK/ WHITE   (need relay?)
(-) 200mA DOME LIGHT OUTPUT SUPERVISION OUTPUT
not sure

how would i go about wiring up the dome light output supervision and the trunk release output

H1/1 RED / WHITE (-) 200mA TRUNK RELEASE OUTPUT    Brown (+)    @ (driver kick panel)

As far as the trunk release goes you will need a relay to convert polarity.

Pins 86 and 87 to fused 12 volts

Pin 85 to the release output of the 5303

Pin 30 to trunk release wire


The dome light wire should be the wire going to the drivers door pin switch. I'm not sure on The current draw you'll have to use your dmm and measure the amp draw.

I've never used a dome light on these. Are you sure the dome light doesn't come on with unlock




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If i Can't Install it    I Don't need it   Joe

if my dome light comes on when doors open then i dont need to use ?
H1/9
BLACK/ WHITE   
(-) 200mA DOME LIGHT OUTPUT SUPERVISION OUTPUT

No when you unlock the car using the remote

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If i Can't Install it    I Don't need it   Joe

No when you unlock the car using the remote and the dome lights come on you may not need to use the dome light supervision wire

Based on these questions. Should you be attempting this ?   Do you own the necessary tools to take this on ?

I'm not being a dick if things aren't done right.You can cost yourself alot of headache and money

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If i Can't Install it    I Don't need it   Joe

Been in car audio for 5 years. knw that side of the car eletrical, knw how to solder ,strip wires,use a dmm,read a wiring diagram.
just got some many questions first time and dont wana go in blind, so your saying the dom light might already come on when i unlock my car with the keyless entry

this is how i would have to wire it up tho?

is the domelight supervision there to set alarm off if door opens and makes dome light come on?

H1/1        use relay
RED / WHITE
(-) 200mA TRUNK RELEASE OUTPUT
brown (driver kick pannel)

H1/2
RED
(+)12v CONSTANT POWER INPUT
red (igition switch)

H1/3
BROWN
(+) SIREN OUTPUT
red of siren and black wire of siren ground to chassis

H1/5
BLACK
(-) CHASSIS GROUND
ground to chassis

H1/6
VIOLET
(+) DOOR TRIGGER INPUT, ZONE 3
dnt use

H1/7
BLUE
(-) MULTIPLEX INPUT, ZONE 4
blue and green wire of dual shock sensor

H1/8
GREEN
(-) DOOR TRIGGER INPUT, ZONE 3
purple (driver kick, harness to rear)

H1/9
BLACK/ WHITE   
(-) 200mA DOME LIGHT OUTPUT SUPERVISION OUTPUT
dont need

H1/10
WHITE/ BLUE
REMOTE START (-) ACTIVATION INPUT
not sure

H1/11   
WHITE
(+/-) SELECTABLE LIGHT FLASH OUTPUT
- white (head light switch)

H1/12
ORANGE
(-) 500mA GROUND WHEN ARMED OUTPUT
not used

H2/1
LIGHT BLUE
200mA (-) 2nd UNLOCK OUTPUT
not used

H2/2
WHITE/ BLACK
200mA PROGRAMMABLE (-) AUX 2 OUTPUT
not used

H2/3
VIOLET/BLACK
(-) 200mA PROGRAMMABLE (-) AUX 1 OUTPUT
not used

H2/4
GREEN / WHITE
FACTORY ALARM REARM OUTPUT
lt. blue (driver door key cylinder)driver kick, door harness     

H2/5
GRAY/BLACK
(-) DIESEL WAIT TO START BULB INPUT
dont need

H2/6
LIGHT GREEN/ BLACK   (need relay)
FACTORY DISARM OUTPUT
lt. green (driver door key cylinder)driver kick, door harness

H/1
PURPLE
(+) STARTER OUTPUT
blue(starter motor)

H/2
GREEN
STARTER INPUT
blue(key igition)

H/3
RED (2)
(+) 12V INPUT FOR HIGH CURRENT OUTPUTS
12V INPUT Red (Ignition switch harness)

H/4
ORANGE
(+) ACCESSORY OUTPUT
orange (ignition switch harness)

H/5
PINK
(+) IGNITION OUTPUT
pink(ignition harness)

H/6
PINK/WHITE
(+) SECOND IGNITION ACCESSORY OUTPUT
brown(ignition switch) set to acc2

H/7
RED / WHITE
(+) 12V INPUT
red(ignition switch harness)

H3/1
BLACK/ WHITE
NEUTRAL SAFETY SWITCH INPUT
to chassis ground or parking brake

H3/2
VIOLET/WHITE
TACHOMETER INPUT
gray(instrument cluster)

H3/3
BROWN
(+) BRAKE SWITCH INPUT, ZONE 1
lt. blue (brake switch or driver kick)

H3/4
GRAY
(-) HOOD PIN SWITCH INPUT, ZONE 1
hood pin

H3/5
BLUE/WHITE
(-) STATUS OUTPUT
not used

H4/1
ORANGE / BLACK
200 mA PROGRAMMABLE (-) AUX 3 OUTPUT
not used

H4/2
BROWN
200mA (-) HORN OUTPUT
not used

LIGHT BLUE
(-) UNLOCK OUTPUT
lt green(driver kick)

LIGHT BLUE
(-) lock OUTPUT
yellow(driver kick)

No relay on factory disarm didn't mean to put that there

H4/2
BROWN
200mA (-) HORN OUTPUT
black -(horn switch)
would i just tap into the horn wire or use a relay since it has only a 200ma output

Yes, just a direct tap-in, no relay needed for the horn.

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Soldering is fun!

The dome light supervision wire is an option to have the alarm system control the dome light. The Door trigger is the wire that tells the alarm system when a door is opened.

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If i Can't Install it    I Don't need it   Joe

H1/10
WHITE/ BLUE
REMOTE START (-) ACTIVATION INPUT
not sure

H1/12
ORANGE
(-) 500mA GROUND WHEN ARMED OUTPUT
not used

H2/1
LIGHT BLUE
200mA (-) 2nd UNLOCK OUTPUT
not used

H2/2
WHITE/ BLACK
200mA PROGRAMMABLE (-) AUX 2 OUTPUT
not used

H2/3
VIOLET/BLACK
(-) 200mA PROGRAMMABLE (-) AUX 1 OUTPUT
not used

H3/5
BLUE/WHITE
(-) STATUS OUTPUT
not used

H4/1
ORANGE / BLACK
200 mA PROGRAMMABLE (-) AUX 3 OUTPUT
not used

do i use the h3/5 or h1/10

what would the dome light supervision wire function be if what sets my dome light off is the door trigger. my dome light comes on when i open the doors of my car already

when i do the relay for
H1/1        use relay
RED / WHITE
(-) 200mA TRUNK RELEASE OUTPUT
brown (driver kick pannel)

what size fuse should be on the constant +12 volt

I would put a 10amp in there. you could always measure the current draw and fuse it accordingly.

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If i Can't Install it    I Don't need it   Joe

Do I use h3/5    or h 1/10

H1/10 is used to activate the remote start from an external source - isn't needed for a basic install

H3/5 has variety of uses but for a basic system you don't need it

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If i Can't Install it    I Don't need it   Joe

i changed my mind and went with the Excalibur al 1850 edpb. sorry about all the trouble

the horn has a built in relay

Violet/Black Wire - Horn Relay N/O (+/-) Input
not sure

Blue/Black Wire - Horn Relay COM Output
not sure

BROWN / Black Wire - Horn Relay N/C Input
not sure

wasnt sure how to wire it up.



White Wire - Alarm Arm (-) Input
not sure

Brown Wire - Alarm Disarm (-) Input
not sure

these two are if i want a specific device to arm or disarm my car correct?

OK, Xcalibur AL-1850-EDPB.

Violet/Black wire goes to chassis ground.
Blue/Black wire goes to the vehicles Black (-) horn wire @ the horn switch harness
BROWN / Black wire is not used - insulate

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Soldering is fun!

White Wire - Alarm Arm (-) Input
not sure

Brown Wire - Alarm Disarm (-) Input
not sure

these two are if i want a specific device to arm or disarm my car correct?

would there be any purpose to wiring up the dome relay if my light already comes on when my doors open?

not sure if these are needed or additional add on wires

Green Wire - Start (-) Output
not sure

Red Wire - Constant (+) Output
not sure

Blue Wire - Ignition (-) Output
not sure

Green Wire - Accessory (-) Output
not sure

Red Wire - Constant (+) Output
not used

Blue Wire - Status (-) Output
not used

Not an Omega user but...

White Wire - Alarm Arm (-) Input
Brown Wire - Alarm Disarm (-) Input
these two are if i want a specific device to arm or disarm my car correct?    Yes, but it's for the AL-1850 alarm,
not the car's Factory Alarm ( if installed ).


not sure if these are needed or additional add on wires

Red Sat. Relay port
Green Wire - Start (-) Output
Red Wire - Constant (+) Output
Blue Wire - Ignition (-) Output

Blue Sat. Relay port
Green Wire - Accessory (-) Output
Red Wire - Constant (+) Output
Blue Wire - Status (-) Output

These ports / wires would be used to support external relays for any ignition wires that the AL-1850
couldn't handle with its' Six Pin Power Harness. With your vehicle, all of the necessary ignition circuits
can be properly powered from that Six Pin Power Harness ( after making this programming change :
Installer Feature Programming: Item 8 to Option 2 "Accessory" and connecting the Pink/White wire to the
Brown ACC2 wire ). There is no need for the Status (-) Output, as your vehicle does not need a bypass
module.

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Soldering is fun!

So I don't need to hook up the alarm slash disarm? That if I want an additional device to do it other then the remote

No connections necessary to these wires if you plan on using the AL-1850's remotes to control the AL-1850's alarm.

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Soldering is fun!

My dome light is triggered by my doors opening so what does hooking up the dome relay supervision wire do? If what triggers my dom light is opening the doors. With a relay will the dom light supervision make my lights flash when I lock or unlock my doors? So I won't be needing to use red sat and blue sat set of wires?

BLACK/ Red Wire - Light Relay N/O (+/-) Input
ground

GREEN/ Violet Wire - Light Relay COM Output
- door trigger

WHITE/ Red Wire - Light Relay N/C Input
12v source

is that correct>?