Lock/Unlock Doesn't work :(
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Posted: May 26, 2003 at 8:45 PM / IP Logged
Always Learning...
Today I've installed car alarm on my 2001 Honda Civic. Well it works great, but I have a problem with lock/unlock feature.
I have a two wire lock/unlock on my car. Negative output on both wires, when I connect them both from alarm, it doesn't work at all, when I connect lock wire into the connector, doors lock when I turn on the alarm, but when I turn the alarm off they don't unlock, when I switch the wires doors don't lock when I turn on the alarm but they do unlock when I turn it off. I've tried everything mixing the two wires, etc, I think I need some sort of relay or something.
If any of you experts out there could suggest something, I greatly appreciated, I just don't want to go to shop and have them charge me $200 for doing it for me, I found few diagrams on the net, please give me some suggestions if you have any,
thank you.
I don't know the manufacture of alarm system, but it has LCD and 2way alarm, here's the link to the alarm page --> http:///.com/dll?ViewItem&item=3023734331
p.s. here's the diagrams,
 Actuators / Reverse Polarity |
This is practically identical to the 5 wire alternating 12V(+) system above. The only difference is there's no switch! Both motor legs rest at ground at the relays. To lock or unlock the vehicle, polarity is changed on one motor leg.  |
| WIRE | COLOR | LOCATION | |
| 12 VOLTS CONSTANT | WHT | IGNITION SWITCH HARNESS | |
| IGNITION 1 | BLK/YEL | IGNITION SWITCH HARNESS | |
| ACCESSORY /HEATER BLOWER 1 | BLK/RED | IGNITION SWITCH HARNESS | |
| STARTER | BLK/WHT (+) | IGNITION SWITCH HARNESS | |
| PARKING LIGHTS | RED / BLK (+) | ABOVE FUSE BOX | |
| DOMELIGHT | LT.GRN/RED (-) | ALARM PLUG RT OF STEER COLUMN | |
| PWR DOOR LOCK | GRN/WHT (-) | ABOVE FUSE BOX | |
| PWR DOOR UNLOCK | GRN/ORG (-) | (TYPE B) | |
| TACH SENSOR | BLU (-) | AT COIL | |
| BRAKE | WHT/BLK (+) | SWITCH ABOVE BRAKE PEDAL | |
| HORN | GRY (-) | STEERING COLUMN | |
| PLEASE NOTE: If the last line in the above chart contains an entry - FACTORY ANTI THEFT and its value is Passlock1, Passlock2, Vats or Transponder, you have to buy the bypass module 791. Please click here - Part 791 | |||
Posted: May 27, 2003 at 2:55 AM / IP Logged
first that relay diagram is all wrong..
You need to trigger those two wires with ground.
so tap one of the wires with ground and then the other with ground.
that should lock then unlock your doors or vis versa.
if you can't do this then you will never be able to make it work. (make sure when you do this you have both doors shut. You should do this with a test light they cost about 6 dollars.
You should then hook up relays that are NEG. OUTPUT and negative input Tigger. O you didn't bother telling me what type of alarm you have and if its negative trigger ouput. Really probubly don't need relays but I don't know how crappy your alarm really is that does what your telling me.
( I am an installer for 15+ years with 5 college degrees in electronics) 200 bucks is not much. Really they will only charge about 100 bucks....
some honda use a facroy alarm in the radio. This may affect you and it may not.
Posted: May 27, 2003 at 5:25 AM / IP Logged
Posted: May 27, 2003 at 6:57 AM / IP Logged
Ok..........
I hook up the two wires from alarm to the lock/unlock wires in driver's kick panel. I have white and WHITE/ black going from alarm, they are both (-) currents. I also have blue and green wires going from alarm, when I cross any of the white wires with blue wire, lights come on, so I guess that the blue wire is the polarity selector and needs to be grounded, I allready have two wires grounded from the alarm unit and two wires on 12v connected. Or maybe it's a crappy alarm system. 
Posted: May 27, 2003 at 11:31 PM / IP Logged
Posted: May 28, 2003 at 12:53 AM / IP Logged
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