eastbourne racer
Member
Registered: 14th Feb 08
Location: eastbourne, east sussex
User status: Offline
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Righty hoe, ive just bought a HORNET 745T 2-way alarm system for the B and i have successfully wired in the main part of the alarm i.e. lights, siren, door switches and sensors but now i have to wire in the door lock harness that will control the door actuators and central locking system, now my car already has central locking, 97 Corsa Sport B, I need to know what type of door lock wiring i have? There is about 8 choices  :
(1) Three-wire (+) pulse controlling factory lock relays.
(2) Three-wire (-) pulse controlling factory lock relays.
(3) Direct-wired reversing-polarity switches.
(4) Adding one or more after market actuators. (doubt it to be this)
(5) Electrically-activated vacuum systems.
(6) One-wire systems - Cut to lock, Ground to unlock.
(7) positive (+) multiplex
(8) Negative (-) multiplex
Now that is pretty confusing to say the least so who ever can point me in the right direction will have earned them selves a burger and beer at PVS09.
Please people don't guess 
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AdamF
Premium Member
Registered: 24th Apr 02
Location: Bexhill, East Sussex
User status: Offline
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it is negative locking. so basically it needs an earth to the locking wires to make it lock/unlock.
there are two wires behind the passenger kick panel one to lock and one to unlock.
do you have a wiring diagram for the alarm? how many wires does it have for the central locking
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eastbourne racer
Member
Registered: 14th Feb 08
Location: eastbourne, east sussex
User status: Offline
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bttt
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luke85
Member
Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
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Im with Adam there, id go for number 2
You need a 1 second pulse (to earth) to either the lock or unlock wire to make the motors move.
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govinda
Member
Registered: 9th Mar 07
Location: glasgowish
User status: Offline
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there are two wires behind the passenger kick panel one to lock and one to unlock. i think its a blue wire and a orange wire not 100% sure tho as ive not fitted alarm in a corsa for a long while lol
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