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528t wiring

Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=122988
Printed Date: April 29, 2024 at 6:55 AM


Topic: 528t wiring

Posted By: blkrhyno
Subject: 528t wiring
Date Posted: August 05, 2010 at 7:05 PM

So what I'm trying to do is operate my power folding mirrors when I turn on the ignition and fold in when I shut the ignition off. I have it working but it blows the fuses attach to the power wires. Here is how I have them wired.
posted_image
posted_image
Sorry about the bad drawing, can any tell me what I did wrong. The car is an 04 Audi A6 and I tap in to the wires directly at the mirrors themselves.

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Protect what's yours.



Replies:

Posted By: hotwaterwizard
Date Posted: August 05, 2010 at 10:39 PM

WOW you made it too complicated. Start out with this basic circuit and substitute the Timers Where the switch is. The switch is probably the same as your existing switch for your mirrors in the car.

posted_image



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John DeRosa (Hotwaterwizard)
Stockton California
When in doubt, try it out !




Posted By: hotwaterwizard
Date Posted: August 05, 2010 at 10:47 PM
WE MAY BE ABLE TO SIMPLIFY  it more when I get more time

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John DeRosa (Hotwaterwizard)
Stockton California
When in doubt, try it out !




Posted By: blkrhyno
Date Posted: August 05, 2010 at 11:46 PM
Thanks for your response wizard but one motor wire has to get +12v and the other gets ground at the same time to open and close. In the diagram above the motor gets +12v one time and ground the other.

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Posted By: howie ll
Date Posted: August 06, 2010 at 10:34 AM
1st 528t, cut blue loop, BLACK/ white to ignition, orange to switch side of motor opening wire, yellow to mirror side.
2nd 528t BLACK/ white again to ignition, orange to switch side of motor closing wire, yellow to mirror side. (obviously cut both wires)
Brown and red on both to shared 10amp fuse, 12v+ constant feed, blacks to ground. set timers to 4-5 secs. Job done.

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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.




Posted By: blkrhyno
Date Posted: August 06, 2010 at 1:43 PM
Thanks Howie, I'll try that

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Posted By: blkrhyno
Date Posted: August 09, 2010 at 10:21 AM
So howie your solution seem to work but I think the mirror motors are burnt out so I'll get new ones and let you know for sure, thanks again

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Protect what's yours.




Posted By: dualsport
Date Posted: September 26, 2010 at 11:28 AM
blkrhyno wrote:

So what I'm trying to do is operate my power folding mirrors when I turn on the ignition and fold in when I shut the ignition off. I have it working but it blows the fuses attach to the power wires. Here is how I have them wired.
posted_image.

Just poking around here, and thought thought I'd toss a comment in-

Didn't look into the setup in any detail but noticed it would energize the relays in the standby condition, assuming the +12V is wired to be constant rather than switched.

The last two relays are turned on when the ignition is off (relay #3 is off) so they'll be always drawing power. Generally a bad idea to set things up with relays powered on with the car off, since it'll drain out the battery if not started regularly.

Hotwater's diagram switches only one relay at a time, so the motor does get 12V and ground at the same time, and switches polarity depending on which relay is on. It's more failsafe since there's no chance of a short between 12V and ground no matter what relay sequencing or timing is used.
Aside from the standby current draw, your circuit shows a race condition where you're momentarily shorting 12V to ground when you first turn the ignition on, because relay #1 will switch 12V to a grounded line. You may want to rework the circuit-




Posted By: howie ll
Date Posted: September 26, 2010 at 12:16 PM
The biggest problem here is we don't know about the factory switch!!!
Ref. Hotwater Wizard's post, the mirrors would normally use a DPDT switch!
On Toyotas, I use 1 x 528t triggered by door lock for the timing plus 2 x mini relays as relay interrupt or "5 wire" because BOTH motor wires are disconnected at rest. This will close the mirror on door lock. As soon as ignition is turned on mirror unfolds.
If motor wires are grounded at rest you would only need a single 528t.

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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.




Posted By: dualsport
Date Posted: September 26, 2010 at 4:51 PM
Yeah, I didn't look much into the details of what's required, but just wanted to point out the probable reason for the fuses blowing as he described, and that it's going to result in relays being energized when the car is off..

In any case, it'll need to be changed from the present set up.




Posted By: howie ll
Date Posted: September 26, 2010 at 5:55 PM
OK, folding mirrors 101....
My knowledge is rather limited since they've only recently come about on European vehicles, I'm limited to grey import Japanese but here goes.
Most common type;
Think of the switch as an electric window switch with the motor wires at rest either sitting on ground or open circuit.
The actual switch will probably be a momentary driving a timed, latching circuit but that's not important we're looking at the motor wires.
On activating one will always go to ground and obviously the other will show 12 volts. If you assume a timed latching circuit and resting at ground, use the door lock pulse to activate your timer relay e.g. 528t to fold in. If the wires sit open circuit you will need 2 x 528t. to ground the return wire.With the wires at ground, you just need to leave the switch permanently in the unfold position, turning on the ignition will automatically unfold it.
The second method is used on some Mitsubishis, apply a 1 second pos pulse to either of the two trigger wires to fold or unfold.
The third method is used on the latest Euro cars and uses data triggering...don't touch it.
Would the mods please post this as a sticky, I'm getting tired of answering idiot questions about mirror folding when the posters aren't even testing...just look for the bloody motor wires and tell me what they do!

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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.




Posted By: howie ll
Date Posted: September 27, 2010 at 4:29 AM
I'm a fool, there's an even simpler way of doing this if you're starting with an alarm.
Just use a timed (about 4 seconds) aux output to trigger a SPCO mini relay (circuit board type, diode the coil) if both sides rest at either neg or pos.
If both motor wires are open circuit, (Toyota) use 2 minis!

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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.





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