528t pulse timer

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c-west_civic

Member - Posts: 32

Joined: December 13, 2007

Location: Florida, United States

Posted: December 14, 2007 at 4:07 PM / IP Logged

Im trying to install a light in my car ( 2 actually ) and I am using the 528T pulse timer, but am definetly not an electronic whiz. The lght Im trying to install goes on my steering column to iluminate my floor when the door opens. The other light is a key hole ring light. The harness that is used has 3 wires ( white, green, red ). Im pretty positive the white wire is ground, because it is split off into 2 wires that go to each light. Then the red and green wire go to one of the lights. See diagram below

528t pulse timer -- posted image.

I need to install the timer so that when I open my door, the lights come on. When I shut my door, all interior lights go out, EXCEPT the column and key hole light. They are to stay light and then dim as to what ever I set the 528T at.

Coming off the door switch, is 1 wire, which is green.

Can anyone draw me up a diagram showing me how to install this so it works properly? I would be most appreciative.

c-west_civic

Member - Posts: 32

Joined: December 13, 2007

Location: Florida, United States

Posted: December 14, 2007 at 4:16 PM / IP Logged

Here is the 528T pulse timer wire codes. Sorry forgot to add them.

528t pulse timer -- posted image.

dualsport

Silver - Posts: 983

Joined: September 27, 2005

Location: United States

Posted: December 16, 2007 at 7:55 AM / IP Logged

Do you still need the two lights to be independently controlled by whatever turns them on/off now? I assume since they have different color wires they aren't connected together.

If you want them to just turn on with the door opening and closing, it might be a bit easier; you could just use the door trigger for your timer module, setting up the module to trigger when it changes state from (-) to (+) (or however it changes when you shut the door).

Connect up common (term 30) going to the lights,

normally closed (87A) to the original wire that powers the lights,

and the normally open (87) to a 12V source.

This way the lights operate normally from whatever triggered them before, and when you open and close the door, the timer module gets triggered, and the relay kicks in for the delay time. The lights get powered directly from your 12V source, and turn off again when the timer module is done. If you want to keep the two lights separate you just have to use another relay, to keep them isolated.

c-west_civic

Member - Posts: 32

Joined: December 13, 2007

Location: Florida, United States

Posted: December 16, 2007 at 8:55 AM / IP Logged

So I dont need to hook up the none of the 3 wires coming off the bottom of the diagram for the pulse tmer?

Just connect yellow to both green and red coming off column light

Connect orange to green wire that comes from dome light

Brown into any 12 volt source that is constant

Ground out the wite wires from the column light

Thats it???

dualsport

Silver - Posts: 983

Joined: September 27, 2005

Location: United States

Posted: December 16, 2007 at 9:06 AM / IP Logged

You still have to connect up the power wires to the module, if that's what you mean.

And you have to connect up the trigger wire to your door switch connection, and check that your module is set up as needed to trigger when the door is closed. Depending on just how your door switch wire behaves, you may have to cut the blue loop wire to set it up.

If you can find out how it behaves when the door is opened or closed, it would determine how your module needs to be set up.

c-west_civic

Member - Posts: 32

Joined: December 13, 2007

Location: Florida, United States

Posted: December 16, 2007 at 9:34 AM / IP Logged

Wow ok, Im lost again.

So, red off timer to a constant power, black off timer to a ground.

"you have to connect up the trigger wire to your door switch connection" i thought i did this when I connected the orange wire to the green dome light wire?

dualsport

Silver - Posts: 983

Joined: September 27, 2005

Location: United States

Posted: December 16, 2007 at 9:52 AM / IP Logged

I thought the lights you have now, for your column floor light and keyswitch light, were powered from some other kind of circuit separate from the door switch. If it's the same, then you would connect the same wire to two places on the module, also hooking your door switch wire to the trigger input to the module.

If you have a meter, you should measure the voltages of the wires you're planning to use to see if they work the way you expect.

The idea is that the module will provide the same connections as you have now, using the COM and normally closed terminals, and then when you trigger the module, it opens up the connection, and instead sends 12V from the normally open terminal to your light, connected to the COM.

It sounds complicated trying to describe it in words, but really the trickiest part is just making sure your module trigger is set up right, so that it only triggers when you close the door. Hotwaterwizard has a knack for drawing out things pictorially, maybe he can sketch it out to make it clearer.

c-west_civic

Member - Posts: 32

Joined: December 13, 2007

Location: Florida, United States

Posted: December 16, 2007 at 9:52 AM / IP Logged

c-west_civic

Member - Posts: 32

Joined: December 13, 2007

Location: Florida, United States

Posted: December 16, 2007 at 9:54 AM / IP Logged

Oh no the column light and key hole light wasnt an added feature on the car, so Im adding to it.

dualsport

Silver - Posts: 983

Joined: September 27, 2005

Location: United States

Posted: December 16, 2007 at 10:03 AM / IP Logged

If you confirm that the green (+ lead coming from dome light) wire is 12V when the door is open, and ground when the door is closed, then it should work, assuming you don't have some other convenience delays in the car that affect the light.

The green and red (+ leads coming from lights) should be the wires going to your lights, with +12 turning them on.

That should work, and you shouldn't need to cut the blue wire loop, so that it triggers when it goes low (when you shut the door and the light goes out)

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