06 mazda 6, build relay for door locks

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spingjp

Member - Posts: 7

Joined: September 21, 2009

Location: Ohio, United States

Posted: September 22, 2009 at 7:20 PM / IP Logged

ok but im confused on how to hock up two relays to the lock system... do i just basically make a realay for lock wire and one relay for unlock wire.. but from my understanding my car is one wire unlock and lock...

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t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: September 22, 2009 at 9:28 PM / IP Logged

That's correct mr spingjp! one wire is lock and unlock! The relay is a must when your application requires resistors! Reason being is that there would already be resistance on the alarm's output circuit placing the resistor inline with this directly would therefore increase the resistance and result in a no function result! The relays ensure that there is very minimal resistance if any to prevent this from occuring!

That being said! Here's how the relays would be wired!

The lock relay

Pin 85- lock trigger

Pin 30- ground

Pin 86- twelve volts constant

pin 87 to the car's lock wire via the resistor

The unlock relay

Pin 85 - unlock trigger

Pin 30- ground

Pin 86- twelve volts

pin 87 -to unlock wire

commit your way to jehovah and he will act in your behalf. psalms 37:5

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t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: September 22, 2009 at 9:31 PM / IP Logged

Also Howard! I thnik you made a mistake with your description of the relays! your setup would result in a positive output on pin 87 of the relays ! 06 mazda 6, build relay for door locks - Page 2 -- posted image.

06 mazda 6, build relay for door locks - Page 2 -- posted image.

commit your way to jehovah and he will act in your behalf. psalms 37:5

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: September 23, 2009 at 1:24 AM / IP Logged

Also Darren you're absolutely right and I thank you and apologise to spingjp. How to blow fuses, or in fact watch nothing happen.

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06 mazda 6, build relay for door locks

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