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Old 03-29-2004, 04:52 PM   #1
memphisjames
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Question n00b gauge question

I've gotten close to the answer I need while searching the site, but not quite. I know zero about wiring, because I have never tried it before. Here's my easy question:

I am trying to wire in an autometer boost gauge, and it only has 2 wires, a white and a black. From the oem boost kit install instructions, it appears I need to tap these into the spare plug taped back behind the CD player. I took the CD player out to look at the plug, and there it is, with one orange wire and one purple wire. The question-- which wires should I connect, and does it matter in this instance? White-orange, black-purple? I probably could just figure it out by trial-and-error after work today, but I'm lazy...

Thanks in advance.

James
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Old 03-29-2004, 05:39 PM   #2
Uncle Scotty
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It can be wired either wire to either wire....I crimp female spade connectors to the wires and just plug them into the plug, onto the connectors rather than cutting/splicing anything.

Also....get and use a #168 bulb and color it lightly with a green Sharpie and it will match, as well as is possible, the stock gauge color and light intensity....it took me MANY tries to figgure THAT one out...
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Old 03-29-2004, 05:58 PM   #3
memphisjames
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Thanks, Uncle Scotty. That's just the thing I needed to know.
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Old 03-29-2004, 08:49 PM   #4
brunetmj
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What is the plug to which you are referring? Orange and purple are most commonly illumination wires in a Subaru. Is that what it is? I may install a boost gauge soon and would like to know for that reason.
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Old 03-30-2004, 12:19 AM   #5
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Quote:
Originally posted by brunetmj
What is the plug to which you are referring? Orange and purple are most commonly illumination wires in a Subaru. Is that what it is? I may install a boost gauge soon and would like to know for that reason.
I don't know on the STi, but on the '02-'03 WRX, the extra unused plug on the radio harness is power that dimms with the gauges.
There is only one extra plug on the WRX harness, and I have no idea what color the wires are, but it is variable power with the dimmer on the light stalk.
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Old 03-31-2004, 03:34 PM   #6
memphisjames
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Default Thanks, Uncle Scotty!

It took me a little while to figure out that the bulb that came with the gauge was bad. I replaced that with a new 168 bulb, and now everything works perfectly. Thanks, Uncle Scotty.

-James

p.s. Crayola marker green <> Sharpie green. I tried it since I had one, but it didn't take to the glass bulb very well.

Edit:
Sharpie green is dead on. Perfect! Uncle Scotty knows his stuff...

Last edited by memphisjames; 04-02-2004 at 04:00 PM.
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Old 10-12-2004, 11:07 AM   #7
whesung
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Default OEM Gauge "Light power" Connector question

Does anyone know where I can get a female connector for the male light connector thingy (not sure what the appropriate term is) on the OEM Boost Gauge?

Would radio shack have it? Otherwise, I will just solder the wire to the gauge (dirty dirty) ...

Thanks!
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Old 10-12-2004, 11:25 AM   #8
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Quote:
Originally Posted by whesung
Does anyone know where I can get a female connector for the male light connector thingy (not sure what the appropriate term is) on the OEM Boost Gauge?

Would radio shack have it? Otherwise, I will just solder the wire to the gauge (dirty dirty) ...

Thanks!
You would have to go to Subaru for that. It is the connector that is used for the light on the OEM boost gauge. My 04 has this as well and is what I used to connect the light to. As far as the green goes, just use the supplied green bulb condom. Matches MY04 perfectly.
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Old 10-12-2004, 01:11 PM   #9
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I looked on subaruparts.com and was unable to find the part. Will the Parts guys at another dealership be able to figure out what the part number is?

Do any of you know the part number?

Thanks!
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Old 06-18-2007, 12:42 AM   #10
nevets87@siu.edu
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I am installing a boost gauge on my 2002 WRX and I was wondering if the black and white wires for the light are both suppose to go in the extra harness with the power dimming feature or if one shoud get power from that and the other to gound? Kinda sounds like a stupid ? but can you clear that for me?
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Old 06-18-2007, 04:38 AM   #11
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I don't think you want to ground either of the lamp leads. You could verify that by checking the voltage of each lead to ground with the lights on. If you see voltage on both of them then you don't want to ground either of them.
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Old 06-18-2007, 08:56 AM   #12
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Quote:
Originally Posted by nevets87@siu.edu View Post
I am installing a boost gauge on my 2002 WRX and I was wondering if the black and white wires for the light are both suppose to go in the extra harness with the power dimming feature or if one shoud get power from that and the other to gound? Kinda sounds like a stupid ? but can you clear that for me?
...get light power from the spare plug on the radio harness....get gauge power from elsewhere
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Old 06-18-2007, 02:43 PM   #13
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I'm about to do this as well...but for the Omori boost gauge....so where can I get the power for the gauge from? Tap into a fuse? What about the clock harness, I always hear people talking about using the clock harness (since it'll be disconnected) for hooking it for boost gauge? In fact where is the stock plug for the OEM boost gauge, is it synonymous with the spare plug behind the cd player?

-Jeff
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Old 07-17-2009, 08:36 PM   #14
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Clock plug wires are ?

Blue w/ pink = BATT
Black = GND
Pink w/ blue = LIG
Yellow w/ green = ACC

Correct? Incorrect?

My male plug for it is long gone.
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Old 07-18-2009, 06:59 PM   #15
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Answering own question: Correct
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