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DME Relay Question? Use O.E. or aftermarket?
I noticed Pelican has the original DME Relay for about $100, and an aftermarket one for about $25. Has anyone had good or bad luck using the aftermarket one? I am just buying one for a backup as it seems to be good insurance on a road trip!
Thanks in advance. |
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06-20-2011, 10:38 AM
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RETIRED
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They are built in various countries...get two if you buy, aftermarket.
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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06-20-2011, 10:51 AM
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Registered
Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,469
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buy the best, cry once.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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06-20-2011, 11:06 AM
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Join Date: May 2008
Location: Austin, TX
Posts: 201
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Don't buy the URO one. I have seen them bad right out of the box.
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Original owner 1986 944 1987 951 968 wing from CPR, Deutsche Nine headlights, KW Variant 3s, Lindsey Stage 2 intercooler, Big Reds 2003 Ruf 3600S S-Car-Go equal length headers, otherwise almost stock 72 911T w/ SC 3.3SS engine MoTeC Hargett ITBs |
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06-20-2011, 11:19 AM
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Join Date: May 2006
Location: Arlington, VA
Posts: 463
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Get a failed genuine porsche one from someone for free. Pop the cover off and reflow the solder joints yourself. Now you have a free working DME relay. The reason they fail is because they get too hot, and the original solder joints crack.
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SOLD: '87 Carrera |
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06-20-2011, 11:23 AM
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muck-raker
Join Date: Jan 2009
Location: Coastal PNW
Posts: 3,059
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Quote:
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STONE '88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended.  Deny Everything; Admit Nothing; and Always Make Counter-accusations 
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06-20-2011, 09:03 PM
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I just picked up a spare DME relay from our host the other day.
Got the $25 one - it's a KAE (I think) made in Germany. |
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06-21-2011, 09:03 AM
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Mo money = mo parts
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The KAE's have been fine for me. Quite frankly, I forgot that Porsche had an OEM unit. At 4X the price, I am good with the KAE one. I carry a spare.
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Greg 86 Coupe (stock - pretty much like Butzi designed it) - gone, but not forgotten 65 Ducati Monza 250 & 66 Monza Junior (project) "if you are lucky enough to own a Porsche, you are lucky enough" |
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06-21-2011, 09:17 AM
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Join Date: Feb 2007
Location: Monmouth Junction, NJ
Posts: 292
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My KAE failed after one year. Fortunately I ordered and received a spare 3 days before it failed. This time, I was able to replace the DME relay in 5 minutes. I now carry two spares - KAE of course...
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Scott ___________________________ 1985 Carrera Targa - Guards Red 2006 Acura TSX Navigation - Milano Red |
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06-21-2011, 09:19 AM
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Recreational User
Join Date: Mar 2004
Location: A Mile High
Posts: 4,159
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I just bought one on the Vertex website for $25. It says OEM in the product description, but they sent me a URO. Is URO an OEM supplier?
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06-21-2011, 10:03 AM
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RETIRED
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NO,,,,,
They can't even make a decent rubber hose.
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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06-21-2011, 10:07 AM
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Join Date: Oct 2004
Posts: 15,612
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I have two from Porsche. Best way to go.
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06-21-2011, 11:04 AM
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Quote:
I've several laying around, as I change this damned thing out preventatively....one day, when bored (I guess), I'm gonna' slap 'em on a power supply and have a static measure of contact(s') voltage drop...(that is 'unloaded but switched"). I recall changing this out one time (years ago) and SWORE the car ran a bit better (could be full of it, too....) Clearly that DME relay is to switch voltage (fuel pump and DME), and do it with minimal loss... As to non-catastrophic failures of this device, I wonder if the contacts become resistive enough (to any serious degree) to drop the voltage to both DME and Fuel Pump? As well, I think I''l disassemble a few and have a look at the materials used to construct it... Best! Doyle
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Recording Engineer, Administrator and Entrepeneur Designer of Fine Studios, Tube Amplifier Guru 1989 Porsche 911 Carrera Coupe 25th Anniversary Special Edition Middle Georgia |
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06-21-2011, 11:33 AM
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1985 Porsche 911 Carrera-Euro spec model.
1995 Porsche 993 C2 Cab
Da cab
1987 Porsche 911 Carrera
1986 Porsche 911
