686 alarm and fiat marea

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lysimachus

Member - Posts: 4

Joined: March 07, 2005

Location: United Kingdom

Posted: March 08, 2005 at 3:43 PM / IP Logged

i have 1997 fiat marea which has central locking so i bought giordon 686 alarm kit to add alarm and remote central locking the marea has negative control signal to acctuate door lock/unlock but i tried attaching the two pulse wires from alarm unit to the two pulse leads on the door wiring, nothing happens. the alarm works ok apart from that. anyone help? please.

there are some other wires in the door harness such as two 12volt + one earth and one 4volt+

maybe i need a relay, hope not as i like things simple.

ywdb

Member - Posts: 42

Joined: September 04, 2002

Location: Japan

Posted: March 08, 2005 at 8:21 PM / IP Logged

Hi;

1997 Fiat marea(UK):

Power lock---lt blue

Power unlock--white

located in 18 way connector A.B.I unit behind the glovebox. Negative pulse.

Giordon 686 alarm has 6 wire use for doorlock/unlock.

But Negative trigger doorlock/unlock system only use 4 wire.

Wiring as below;

orange and ORANGE / black wire---no use.

white wire---connect to vehicle power lock wire.

WHITE/ black wire---connect to vehicle power unlock wire.

yellow and yellow/black wire---connect to grand.

Good luck!

lysimachus

Member - Posts: 4

Joined: March 07, 2005

Location: United Kingdom

Posted: March 09, 2005 at 3:59 PM / IP Logged

hi thanks for your reply

i had alarm on bench tonight and the output looks like two relays , your advice is as i thought but i cant help thinking that the car needs 12volt + signals to operate the lock /unlock. did you asume the marea is negative trigger from my first message or do you know for a fact that it is? should i use protection diodes in the relay line to prevent shorts when using normal key to open close doors?

anyway thanks again

ywdb

Member - Posts: 42

Joined: September 04, 2002

Location: Japan

Posted: March 09, 2005 at 6:09 PM / IP Logged

Hi again,

Fiat marea Tech Tips as below;

Make: FIAT Model:MAREA Year:1997

Vehicle Information

+12v Wire: RED

+12v Location: LOCATED ON THE ABI UNIT BEHIND THE

GLOVE BOX

Earth Wire:

Earth Location: Connect to a good chassis earth

Ignition Wire: RED / YELLOW

Ignition Location: AS ABOVE

Indicator 1 Wire: BLUE BLUE/BLACK

Indicator 2 Wire:

Indicator Location: AT THE HAZZARED SWITCH

CDL Lock Wire: BLUE

CDL Unlock Wire: WHITE

CDL Pulse Type: NEG

CDL Location: AT THE ABI UNIT

Starter Immobiliser:

Starter Location: TEST AT THE IGN SWITCH

Fuel Immobiliser: BROWN / WHITE

Fuel Location: 14 WAY PLUG IN THE FUSEBOX

Door Wire: AT THE ABI CONTROL UNIT

Door Location: GREY/GREEN, GREY / YELLOW,

GREY/BLACK, GREY/RED

Boot Wire:

Boot Location: TEST AT THE BOOT LIGHT

Door Trigger:Diode isolate 4 Separate lines

lysimachus

Member - Posts: 4

Joined: March 07, 2005

Location: United Kingdom

Posted: March 10, 2005 at 4:07 PM / IP Logged

thanks for the comprehensive information, much appreciated

tommorows big day

lysimachus

Member - Posts: 4

Joined: March 07, 2005

Location: United Kingdom

Posted: March 11, 2005 at 3:03 PM / IP Logged

fitted alarm today and i understand now negative pulse. the blue and white wires on the harness are normally at 4volts or thereabouts, they need a quick short to ground and the doors lock and unlock.

the 686 has two relays which if you connect each relay to ground and each wire they pulse respectively.

the relay on the car is confined in the cdl unit (a black pvc box) under the dash behind the glove box.

i was looking for something much more complicated, i just couldnt see the simple truth.

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686 alarm and fiat marea

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