type f door lock relay

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namkhau

Member - Posts: 8

Joined: September 29, 2012

Location: North Carolina, United States

Posted: September 29, 2012 at 10:00 AM / IP Logged

I just installed the Python 1401 on my car, when I press the unlock button, it's unlock and then lock immediately. sounds like the wire is grounded then opened immediately. maybe the diode doesnt work?

Here is the diagram that I did:

https://www.the12volt.com/12voltimages/1w300d.gif

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 29, 2012 at 10:07 AM / IP Logged

What car? Some operate in the reverse of that diagram, it shows open circuit lock and ground unlock, yours might be ground to lock and open circuit unlock. TEST.

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 29, 2012 at 10:10 AM / IP Logged

If I remember Nissans might be the reverse.

Physically test with all doors bar the driver's closed and the catch at the back of the door thrown over, ground the wire with the doors unlocked that should lock, i.e. NEG to lock then cut the wire (RED / yellow on Nissan?) that should unlock.

If it's the reverse it's as the diagram.

namkhau

Member - Posts: 8

Joined: September 29, 2012

Location: North Carolina, United States

Posted: September 29, 2012 at 10:15 AM / IP Logged

it's a 2007 Hyundai Tiburon.

namkhau

Member - Posts: 8

Joined: September 29, 2012

Location: North Carolina, United States

Posted: September 29, 2012 at 10:16 AM / IP Logged

TESTED.

Cut to Lock, Ground to Unlock

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 29, 2012 at 10:26 AM / IP Logged

Sorry, trying to eliminate the obvious.

Do you have a factory key fob that works correctly and did you copy that diagram to include the diode?

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 29, 2012 at 10:30 AM / IP Logged

Also disconnect the lock and unlocks, either from the 1401 or at the relay, whichever's easier and try grounding each. If that works the 1401 is at fault.

namkhau

Member - Posts: 8

Joined: September 29, 2012

Location: North Carolina, United States

Posted: September 29, 2012 at 10:32 AM / IP Logged

I don't have the factory key fob and I did exact the same in the diagram.

Im using the Heavy Duty Relay and a 50V 1A Diode

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 29, 2012 at 12:26 PM / IP Logged

50 volts? Great the EMP generated voltage is about 200!

Use a 1N4004.

Also use a 1N4004 on both lock and unlock wires.

namkhau

Member - Posts: 8

Joined: September 29, 2012

Location: North Carolina, United States

Posted: September 29, 2012 at 12:30 PM / IP Logged

ok. ill run to radioshack and get the 1N4004. Thanks

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