2008 ford escape sunroof w/ dei 529t

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dan.mcneill

Member - Posts: 10

Joined: June 09, 2008

Location: Massachusetts, United States

Posted: June 16, 2008 at 8:22 PM / IP Logged

well i just went to install the 529T and all was well except when the sunroof closed it vented instead of stopping. I was reading that I can get a pulse generator and a relay to wire in that wire that goes 12V+ when it hits the close mark so the 529T stops there instead of continuing to close thus venting the sunroof.

I guess I need part a Directed 452T Pulse Generator and a Relay to wire from that wire to the side 1 activation input on the 529T

Has anyone done a sunroof using these parts before? if so, what is the correct way to wire the 452T, relay and 529T to each other.

- Dan

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chriswallace187

Gold - Posts: 1,661

Joined: March 11, 2002

Location: Pennsylvania, United States

Posted: June 17, 2008 at 10:48 AM / IP Logged

Dan, what you could actually do is use the constant-to-momentary relay diagram provided on this site, which will accomplish the same thing that the 452T would do.

The capacitor and resistor values would stay the same as in that diagram; the difference would be that you would use 87a and 30(it doesn't matter which goes in what direction) to interrupt the connection between the 529T's gray and orange wires. 87 is not used.

Also if your sunroof limit switch wire goes to ground instead of 12 volts with the roof closed, you would want to change pin 86 to constant 12V(+) with the capacitor and resistor inline, and 85 to the switched ground from your sunroof limit switch.

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dan.mcneill

Member - Posts: 10

Joined: June 09, 2008

Location: Massachusetts, United States

Posted: June 17, 2008 at 12:12 PM / IP Logged

i think i follow you but for about the same cost as a relay the 452T isn't expensive and i dont have to worry about buyin small caps and resistors to wire it, so i think i will stick with the 452T just for convience. Do you know how I would wire a 452T in to serve the same function?

My sunroof wire for the limit is always ground except when it is fully open or fully closed it goes to 12V+, when it is partically open it will be ground, so basicly as it is moving once it hits the close spot that wire shoots 12V+ and the sunroof stops moving. when i had the 529t hooked directly it bypassed this and it just kept going.

Will this cause a problem, and I mean like since the same limit wire does 12V+ on on open and close will the sunroof try to close once it gets fully open because that same wire will send a pulse?

- Dan

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2008 ford escape sunroof w/ dei 529t

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