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For those with a Westach EGT gauge
by
Swartzvw
on 14 Sep, 2011 21:16
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I got my Westach EGT gauge model 2c2-1 and I also got a micro 1000 thermocouple and extension. Does anybody know which pin on the back of the gauge is positive and which is negative? The instructions say to hookup the black and white wires to the extension lead but the gauge comes with red and black wire and the extension lead is red and yellow. Anybody know how its supposed to be hooked up? Thanks.
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#1
by
92EcoDiesel Jetta
on 15 Sep, 2011 06:30
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Connect black to black on the wires then try your luck to the gauge. Put your fingers around the thermocouple, if the gauge goes up in temp, you got it right. If it goes down, swap the leads at the gauge.
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#2
by
ORCoaster
on 15 Sep, 2011 09:46
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In America the black to black works for most wiring applications. Only in Germany would they consider and earth, or ground to be a brown colored wire. Must have some connection to dirt and earth colors.
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#3
by
Swartzvw
on 15 Sep, 2011 10:41
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I guess I wasnt so clear in my description. I have red and yellow coming from the probe but the gauge has red and black coming off it. I guess Ill just have to do some trial and error.
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#4
by
R.O.R-2.0
on 15 Sep, 2011 17:38
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I guess I wasnt so clear in my description. I have red and yellow coming from the probe but the gauge has red and black coming off it. I guess Ill just have to do some trial and error.
i would connect the red wires to each other, and then connect the black and yellow wires..
thats what makes most sense to me..
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#5
by
Swartzvw
on 15 Sep, 2011 20:37
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I guess I wasnt so clear in my description. I have red and yellow coming from the probe but the gauge has red and black coming off it. I guess Ill just have to do some trial and error.
i would connect the red wires to each other, and then connect the black and yellow wires..
thats what makes most sense to me..
Thats what I was thinking as well. Ill try that first. Thanks!
I see you are in Oregon, did you go to Pac Waterland?
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#6
by
fatmobile
on 15 Sep, 2011 22:16
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I have the same setup and didn't use the extension,
spun the wire into a coil and slid that over the post on the back of the gauge.
Doesn't help with which connection to use, I can't remember that.
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#7
by
81 vw pu
on 15 Sep, 2011 22:56
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When I wired mine and checked with a propane torch it was wrong.
I just switched the wires at the gauge and it worked.
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#8
by
Mark(The Miser)UK
on 16 Sep, 2011 00:44
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Your only issue will be to get the extension correct, as the probe and gauge will only work one way. Googling should find the answer.Edit:
Red is always negative. Black always positive. Yellow always positive
White is always positive except when with black. 
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#9
by
92EcoDiesel Jetta
on 16 Sep, 2011 07:39
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In America the black to black works for most wiring applications. Only in Germany would they consider and earth, or ground to be a brown colored wire. Must have some connection to dirt and earth colors.
I thought earth is British speak. Is it also German speak?
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#10
by
ORCoaster
on 16 Sep, 2011 08:36
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Sorry I am a "soil scientist" I think, breath and eat dirt for most of the day. When doing electrical work I just think of grounds to be what I am standing on not what is on the bottom of the coffee cup.
I always learned black to be negative. Is red a brit thing?
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#11
by
R.O.R-2.0
on 16 Sep, 2011 09:05
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I guess I wasnt so clear in my description. I have red and yellow coming from the probe but the gauge has red and black coming off it. I guess Ill just have to do some trial and error.
i would connect the red wires to each other, and then connect the black and yellow wires..
thats what makes most sense to me..
Thats what I was thinking as well. Ill try that first. Thanks!
I see you are in Oregon, did you go to Pac Waterland?
yup, i sure did! saw Josh down there too, got to drool all over his Caddy.. i wish i would have been there earlier, and would have driven my rabbit.. i really wanna put it on a drag strip. it wraps the speedo in a hurry with the new close ratio box..
heres a link to the few pictures i took at Waterland..
http://www.vwdiesel.net/forum/index.php?topic=30028.0
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#12
by
R.O.R-2.0
on 16 Sep, 2011 09:07
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Your only issue will be to get the extension correct, as the probe and gauge will only work one way. Googling should find the answer.
Edit:
Red is always negative. Black always positive. Yellow always positive
White is always positive except when with black.
thats completely backwards from how the americans rig stuff up..
again tho, theres only 2 wires, and if its wired wrong, you simply reverse the wires.. nothing gets fried or anything like that. the gauge just reads backwards..
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#13
by
Mark(The Miser)UK
on 16 Sep, 2011 10:48
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Your only issue will be to get the extension correct, as the probe and gauge will only work one way. Googling should find the answer.
Edit:
Red is always negative. Black always positive. Yellow always positive
White is always positive except when with black.
thats completely backwards from how the americans rig stuff up..
again tho, theres only 2 wires, and if its wired wrong, you simply reverse the wires.. nothing gets fried or anything like that. the gauge just reads backwards..
Remember we are only talking thermocouples here, and which way round to put the compensated extension leads. Reversal of which will create errors in the readings
British house wiring was red 'live' or positive, black neutral, or negative and green earth. Along comes Europe, and we get brown live, blue neutral, and green with yellow stripe for earth. Then along comes VW and creates another mix....
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#14
by
Swartzvw
on 16 Sep, 2011 12:07
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I guess I wasnt so clear in my description. I have red and yellow coming from the probe but the gauge has red and black coming off it. I guess Ill just have to do some trial and error.
i would connect the red wires to each other, and then connect the black and yellow wires..
thats what makes most sense to me..
Thats what I was thinking as well. Ill try that first. Thanks!
I see you are in Oregon, did you go to Pac Waterland?
yup, i sure did! saw Josh down there too, got to drool all over his Caddy.. i wish i would have been there earlier, and would have driven my rabbit.. i really wanna put it on a drag strip. it wraps the speedo in a hurry with the new close ratio box..
heres a link to the few pictures i took at Waterland..
http://www.vwdiesel.net/forum/index.php?topic=30028.0
Awesome. I wish I could have gone. Im planning on going next year for sure.