Wire connection to manual transmission
Pro
Joined: Oct 2005
Posts: 700
Likes: 75
From: SW Missouri
From what I’ve read on my 2005 Z51 models it’s a transmission fluid temperature sensor and only warns on DIC if overheat or low temp. Cannot bring up trans temp. Weird issue I have is I absolutely DO NOT have a wire from harness to connect to that sensor. A vendor said I should but I don’t. Maybe someone added that on my car for an external temp gauge. I believe on 2006 and up it became part of DIC. I’m not sure though.
Last edited by rc51racer; May 17, 2019 at 08:41 AM.
Drifting
Joined: Sep 2014
Posts: 1,924
Likes: 392
From: Atlanta - - - - - Save the manuals
I have a '05 Z51 MN6 and I have the temp sensor AND the connection from the harness. The Z51 has a trans cooler, maybe that's why I have it. I find it hard to believe that GM would put a sensor in the trans and not use it. I broke mine with I replaced the clutch and, if I remember, a new sensor was about $30.
Race Director
Joined: Dec 2005
Posts: 11,393
Likes: 981
From: Carlsbad Ca
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Pro
Joined: Oct 2005
Posts: 700
Likes: 75
From: SW Missouri
I have a '05 Z51 MN6 and I have the temp sensor AND the connection from the harness. The Z51 has a trans cooler, maybe that's why I have it. I find it hard to believe that GM would put a sensor in the trans and not use it. I broke mine with I replaced the clutch and, if I remember, a new sensor was about $30.
Pro
Joined: Oct 2005
Posts: 700
Likes: 75
From: SW Missouri
Drifting
Joined: Sep 2014
Posts: 1,924
Likes: 392
From: Atlanta - - - - - Save the manuals
The temp wire comes from a wire bundle that is on top of the transmission and difficult to see. Perhaps some body cut it or left it up there. Also if I remember the 05 (only) has two reverse lockout connections that look every similar.