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Old 09-21-2010, 12:05 AM   #1
ruby914
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Default Daytime Running Light Resister ohms?



I have put an 02 WRX motor in a Porsche 914. Now I am incorporating most of the wiring system and find that I am missing the Daytime Running Light Resister. I called Subaru and got a price of something like $60 for this resister. Can anyone tell me how many ohms this resister is so I can just get one from Radio Shack for under $6.
Thanks.
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Old 09-21-2010, 12:36 AM   #2
Henry H
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I doubt you'll find a resistor like that at Radioshack. The amperage rating on the resistor for your DRLs will be much higher than what RadShack keeps on hand. They'll just burn up when your DRLs come on. I even doubt they can order a part like that.

I took mine off and I guess I can sell it, PM me if you're interested.
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Old 09-21-2010, 03:42 AM   #3
ruby914
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Quote:
Originally Posted by Henry H View Post
I doubt you'll find a resistor like that at Radioshack. The amperage rating on the resistor for your DRLs will be much higher than what RadShack keeps on hand. They'll just burn up when your DRLs come on. I even doubt they can order a part like that.

I took mine off and I guess I can sell it, PM me if you're interested.
You took yours out? I have forgotten a lot about electronics in the past 30 years.To tell the truth, I am not sure if I even need it?
I have gotten the high beams working but not the lo beams. This resister seems to ground the lo beam circuit. My guess is to suppress noise for the radio maybe ECU... I see guys take the running light control module out to disable the lights staying on but why remove the resister? Is it safe to bypass it and run a wire direct to ground? thanks, Henry. I may take you up on your offer, just try to get a little understanding first.
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Old 09-21-2010, 03:02 PM   #4
ruby914
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Quote:
Originally Posted by Henry H View Post
I doubt you'll find a resistor like that at Radioshack. The amperage rating on the resistor for your DRLs will be much higher than what RadShack keeps on hand. They'll just burn up when your DRLs come on. I even doubt they can order a part like that.

I took mine off and I guess I can sell it, PM me if you're interested.
I called Subaru back with my vin # and got a different price of $20.33
for PN: 82501fc210.
That is more reasonable. Henry, If you are still willing to part with yours, you will have to PM me because I am a newbe I cant send a PM yet.
Mike.
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Old 09-22-2010, 01:51 AM   #5
Henry H
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For my car, the resistor takes the 12v power source that goes from the DRL module to my high beams and drops the voltage to keep the bulbs dim (I did not test what the reduced voltage was). I don't think it suppresses any EM noise for the radio or ECU.

I removed my resistor to simply disable the high beams from turning on (as DRLs). It does not disable the DRL module per se but it does the trick. I could have just pulled the power from the resistor to the bulbs but why bother keeping the resistor there right?

20$ for that part is more than reasonable, so I'd go with the dealer part. You can call around to other dealers and have them match the lowest price. At least you'd know you'll be getting the correct part. Mine came off an 2008 2.5i.
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Old 09-22-2010, 10:09 AM   #6
Big-E
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For 2008 model Impreza, the DRL resistor is: 70w; 1.13 ohm.
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Old 09-22-2010, 12:41 PM   #7
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Quote:
Originally Posted by Big-E View Post
For 2008 model Impreza, the DRL resistor is: 70w; 1.13 ohm.
I was just yelling "Big-E, Big-E your the man" but then i saw 08.
I am thinking 08 is very different, with HID lights. I am sure, Henrys 08 is the same as yours?
Big-E I think I started to read a post of yours the other night, and learned a little from it. Same as Henry was talking about the resister controling the power to the lights. What I find strange is the switches and resisters on the ground side of the lights. I have always thought of switches and resisters on the + side.
Anyway I called Subaru back and they first gave me the 20$ price for the relay, not the resister. The resister is PN 84057FE010 $69.
This will power Porsche 914 lights so maybe I should just check there wattage, figgure the 12V 15A circut and try the 1.13 ohms?
And here is a bump to anyone with an 02 and a multimeter.
Thanks.
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Old 09-22-2010, 01:13 PM   #8
Big-E
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Quote:
Originally Posted by ruby914 View Post
I was just yelling "Big-E, Big-E your the man" but then i saw 08.
I am thinking 08 is very different, with HID lights. I am sure, Henrys 08 is the same as yours?
Big-E I think I started to read a post of yours the other night, and learned a little from it. Same as Henry was talking about the resister controling the power to the lights. What I find strange is the switches and resisters on the ground side of the lights. I have always thought of switches and resisters on the + side.
Anyway I called Subaru back and they first gave me the 20$ price for the relay, not the resister. The resister is PN 84057FE010 $69.
This will power Porsche 914 lights so maybe I should just check there wattage, figgure the 12V 15A circut and try the 1.13 ohms?
And here is a bump to anyone with an 02 and a multimeter.
Thanks.
Since Subaru uses a switched ground system, they effectively put the drop through the ground.

The DRL resistor is for non-HID bulbs.

I'll try and locate the 2006 resistor off my car tonight. If you want it, PM me. It's just sitting in my garage (somewhere).
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Old 09-22-2010, 01:31 PM   #9
Henry H
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I doubt the harness off your 02 would work with the harness off my 08 resistor. Anyways I'd ask around for someone with an 2002 DRL resistor first. I'll still sell mine if you really need it. $30 shipped seems reasonable.

Its about 60$ for both the 2002 and 2008
https://www.subarugenuineparts.com/catalogs.html just put in your car and search for "resistor."
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Old 09-22-2010, 03:33 PM   #10
Big-E
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When I did the swap there was no difference in the connectors themselves. A 2008 resistor will plug into a 2002 harness.
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Old 09-22-2010, 04:24 PM   #11
ruby914
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Quote:
Originally Posted by Henry H View Post
I doubt the harness off your 02 would work with the harness off my 08 resistor. Anyways I'd ask around for someone with an 2002 DRL resistor first. I'll still sell mine if you really need it. $30 shipped seems reasonable.

Its about 60$ for both the 2002 and 2008
https://www.subarugenuineparts.com/catalogs.html just put in your car and search for "resistor."
Yes and I found $45 from subaruparts.... but still like less than 1/2 that and still need to look into if 914 lights need something different. Off to work now, thanks.
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Old 09-22-2010, 05:56 PM   #12
Henry H
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Oops I looked at MRSP. Yeah, its about 47 for the part before shipping. If you can't find anything cheaper just PM me. Click on my name and you'll see an option to send a private message (PM). You can check your PM's by clicking on the "Private Messages" link near the top right under your screen name. Good luck on your find and your swap.
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