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Old 10-01-2000, 01:23 AM   #26
Andrew
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Member#: 1170
Join Date: Mar 2000
Chapter/Region: BAIC
Location: San Jose, CA
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2005 STi
White

Post

This would be a cool mod...can we get the process to do it in simple terms....
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Old 10-01-2000, 09:13 AM   #27
wac
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Member#: 689
Join Date: Dec 1999
Chapter/Region: NESIC
Location: Lebanon, NH, USA
Vehicle:
2005 Outback 2.5 XT
Champagne Gold Opal

Question

Quote:
The sudden snap off (like being inside a fridge) is what I'm trying to do away with!
Okay, since you're going to be picky... Exactly how much of a dim do you want?

Option 1
Time Brightness
0 sec 100%
10 sec 100%
15 sec 0%
Where it's a slow dim from ON to OFF between 10 sec to 15 sec.

Option 2
Or were you thinking of a slow and agonizing rampdown from full ON to full OFF in 15-20 sec?

I should be able to design and make Option 1 for under $20. It could even be small enough to hide inside (or behind) the dome light assembly. Again, if you're interested, email me, or else I'll spend my time on my other toys/projects.

-WaC
Wayne
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Old 10-01-2000, 09:28 AM   #28
Andrew
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Post

How would you install it to the car wac? Do you need to get to the ecu to put it in or just tap a couple lines?
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Old 10-01-2000, 08:31 PM   #29
redwagon
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2003 Forester XS

Cool

Picky?, me? I think I prefer the adjective 'discerning'

Option 1 would suit me fine, enough time to find the ignition switch etc. and then a graceful dim into ambient light.

Are you (WaC) willing to make a small batch of these for members?

The device should just splice into the dome light's two wires and fit inside the light itself. I also have a light in the rear cargo space, there is more space in the gap between the body and the panel. Will the device handle the two 5W lamps, or will dim-time be affected?
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Old 10-01-2000, 09:10 PM   #30
Impreza Rider
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Location: Ashburn, Va
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2003 Legacy L wagon
2009 Kawasaki C14

Post

Wac-

I like option #1. Did you get my e-mail?

Jim
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Old 10-02-2000, 04:27 PM   #31
wac
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Chapter/Region: NESIC
Location: Lebanon, NH, USA
Vehicle:
2005 Outback 2.5 XT
Champagne Gold Opal

Talking

Now you guys have done it - I spent a good part of my valuable weekend throwing a circuit together. And I even picked up a 5W dome lamp from AutoZone for an authentic prototype.

It seems to work as expected, but not too fancy. I can vary the delay time through a trimpot, from almost no delay to the 20-30s range. Dimmer delay time is determined only by battery voltage and trimmer setting.

When I get around to it, I'll post a complete how-to and offer finished units for those who can't or don't want to build it. Meanwhile, in the true spirit of Vaporware...

The connections are:
1. BATT +12V. Get this from one pole of the dome lamp.
2. DOOR SWITCH. Cut the wire leading from the other pole of the dome lamp. This will be the side that goes to the door switch(es).
3. LAMP. The remaining wire (to the lamp) from step 2.
4. GND. Need to find a ground stud for this new connection - shouldn't be too difficult.

I'm also trying to keep it small. At the moment, it'll be in the 1" x 1.5" x 0.375" (25mm x 40mm x 10mm) range. In theory the circuit should be able to handle any non-inductive loads up to 25W or so. That would put fog lamps, headlights, police cruiser spotlights, and the such out of the question.

-WaC
Wayne
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Old 10-03-2000, 06:59 AM   #32
redwagon
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2003 Forester XS

Talking

Hey WaC, well done! See my PM.
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Old 10-03-2000, 07:20 AM   #33
SilverSuby
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2000 Impreza RS
Silver

Exclamation

A how-to would be great. I'm certainly no EE, but I've thrown a couple things together.
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Old 10-03-2000, 09:43 AM   #34
Chin
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Location: Savage, MN
Vehicle:
'12 Cayman R
'17 Macan GTS

Talking

If enough people are interested I could rewrite the code and program it into a PIC. Then all you would need to do is plug it into the circuit. Let me know if you are interested. A rough estimate would be ~$8-$10 each if I could get 10 or more people.

Christian
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Old 10-03-2000, 09:49 AM   #35
8Complex

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16 WRX (white)
04 FXT (red)

Post

Plug it into what circuit? In the ECU?
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Old 10-03-2000, 04:02 PM   #36
crxrocks
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2000 Impreza 2.5RS
Sedona Red Pearl

Post

If someone can come up with a product with a halfway easy install, I am there.


Chris
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Old 10-04-2000, 08:36 AM   #37
cakagan
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Member#: 251
Join Date: Sep 1999
Location: Chicago, IL
Vehicle:
1998 Impreza 2.5 RS
Black

Question

So does any Subaru model have a glovebox light? I'd rather have that...

-Kagan
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Old 10-04-2000, 09:00 AM   #38
Chuck
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Location: Danbury, CT 06810
Vehicle:
1998 Impreza RS
Brilliant Red

Post

And what about the ash tray light.. I have a bulb and wire, but no place in the harness to plug it in.... Hmmm. '98RS
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Old 10-04-2000, 09:32 AM   #39
Julian
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MY00 RS
BRP

Post

I'm in for the dimming light plug-in.
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Old 10-05-2000, 06:11 AM   #40
SilverSuby
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Silver

Post

Bump....

Don't mean to rush you, but are you still posting those How-to instructions and/or a parts list?
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Old 10-05-2000, 11:51 AM   #41
FargoRS
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Location: Fargo, ND, USA
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2002 WRX

Post

Red,

My 2001 Forester L has a dimming dome light. You might be able to swap the RS light with the Forester light.

Mike
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Old 10-18-2000, 11:05 AM   #42
crxrocks
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2000 Impreza 2.5RS
Sedona Red Pearl

Post

Does anyone have an update on the progress of this?

Thanks!

Chris
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Old 11-03-2000, 10:47 AM   #43
david2z4
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2000 Impreza RS BRP
Vishnu Turbo/Tec3

Post

Said he was getting on theis project soon.
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Old 11-08-2000, 08:56 PM   #44
wac
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Location: Lebanon, NH, USA
Vehicle:
2005 Outback 2.5 XT
Champagne Gold Opal

Post

Whew! I finally got around to debugging this thing. Ran into a snag that took a few tries to troubleshoot, but I finally got something working, and I even polished up the how-to website. You can read about it at:
http://wac.addr.com/ee/dimmer/dimmer.html

Just remember that I'm doing this merely as a hobby, and I have other projects on the go. So you'll have to be patient with any questions you may have. It's quite a time-consuming task to build these things, so I will attempt to contact those who have expressed an interest via email.

Thank you very much for your patience.

-WaC
Wayne
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Old 11-08-2000, 09:45 PM   #45
david2z4
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Chapter/Region: NWIC
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2000 Impreza RS BRP
Vishnu Turbo/Tec3

Post

Will this cause any problems with the alarm arming since it is on the dome light.
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Old 11-09-2000, 10:33 AM   #46
Bankheist
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Chapter/Region: TXIC
Location: DFW
Vehicle:
2000 GC8 STi
2015 Ford Mustang GT

Question

Who's gonna make an easy to install kit??? I don't know jcak about wiring and circuitry, so lets make an easy install kit for the idiots like me....

Thanks guys
-Kevin
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Old 11-09-2000, 10:12 PM   #47
redwagon
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2003 Forester XS

Talking

Way to go WaC!

I spent some time practising my diagram-reading and soldering skills from the earlier schematic without coming up with a working device....but that's just my stupidity. *shrug*

Still interested in a working one, see my PM.
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Old 11-10-2000, 06:06 AM   #48
david2z4
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Location: WA
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2000 Impreza RS BRP
Vishnu Turbo/Tec3

Post

After watching the Real video if the time from full on to full off is only about 1 second with the delay adjustment only for the full on "extended" time, I dont think it will do for me. I want the delay to be about 5- to 10 second with a smoother transition.

Sorry,

Dave
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Old 12-10-2000, 12:04 AM   #49
redwagon
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2003 Forester XS

Post

Just installed the device. It works great, awesome job with construction, totally professional. Installation is dead easy with a couple of soldered splices. Wiring diagram is really clear and simple.

Sure, the dim time could be a little longer, but it's close enough.

I highly recommend this mod to anyone who can use a screwdriver and a soldering iron.
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