car alarm

Technical questions and answers about the Mazda Bongo

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The 3Ts

car alarm

Post by The 3Ts » Mon Nov 07, 2011 12:31 pm

Im in the process of fitting an alarm to my bongo and the instructions are asking if the central door lock trigger is either negative trigger or a positive trigger how can i test this to find out
The lock has 5 wires from it 1 is live.
Any ideas anyone.
321Away
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Re: car alarm

Post by 321Away » Mon Nov 07, 2011 1:49 pm

does your car have remote locking already? if not then you need to fit a motor to the drivers door and configure your alarm as 2 wire control system, even if you have remote locking its often more easy to just take control of the installed motor still using the 2 wire system.

Julian
The 3Ts

Re: car alarm

Post by The 3Ts » Mon Nov 07, 2011 3:36 pm

Yes it has central locking but my fob does not work i have put in a new battery but still does not work this is one of the reasons i have bought an alarm that will control the doors aswell.
the power lock that is in has 5 wires and i dont know which 2 to wire into
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Re: car alarm

Post by cheffy34 » Mon Nov 07, 2011 5:14 pm

you will need to fit a door motor in the driver door
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The 3Ts

Re: car alarm

Post by The 3Ts » Tue Nov 08, 2011 12:38 pm

Already has the motor in it.
Its the wiring that im having a problem with i dont know if it is a positive or a negative trigger 5 wire from it
321Away
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Re: car alarm

Post by 321Away » Tue Nov 08, 2011 12:45 pm

the door already has a motor in it, so you only need to control it with the alarm, with the door panel off, look for a grouping of four wires, the control wires are a red and a green. Its NOT a pulse controlled locking system so dont even try and interface at the control unit, just configure your alarm as 2 wire control and just control the existing door motor in the drivers door

Julian
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Re: car alarm

Post by The Great Pretender » Wed Nov 09, 2011 1:23 am

The 3Ts wrote:Already has the motor in it.
Its the wiring that im having a problem with i dont know if it is a positive or a negative trigger 5 wire from it
It is both, this is the way my alarm controls it.

Image

Hope that helps. :wink:
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321Away
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Re: car alarm

Post by 321Away » Wed Nov 09, 2011 1:41 pm

Image

Thats standard direct 2 wire control, negative/positive pulse interfaces directly with the vehicle central locking unit controllaing ALL motors from the unit, which is a mission with the bongo control system, by sending a either a single negative or a positive pulse of a programmable length (for comfort close), or in the new VW's directly into the vehicles canbus system. 3T's has a 5 wire motor which can be used to control a central locking kit or configured to replace a vehicle standard lock and its fucntion.

3T, use only the blue and green wire and use the motor as a basic 2 wire controller, leave the 3 control wires alone (black/brown/white)

Julian
The 3Ts

Re: car alarm

Post by The 3Ts » Thu Nov 10, 2011 2:42 pm

Ok thanks for that guys i will have a look at that on my days off the diagrams are very helpfull
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