Jump to content

UPDATE - The host suffered a "Catastrophic Hardware Failure" (*specifics not shared) on 01/13 and the "latest available" backup for the website and database were restored.  At this point they have been unable to recover any later versions of the database.

     We are going to give them another 72hrs to pull off a miracle and find something later than 05/21 before we fully move forward with normal forum operations.  Maybe we'll luck out, but to be perfectly honest, it's not looking good.

     It is still recommended that new members wait to register for the time being, as any new accounts created before our final decision on a path forward is made, may not exist once this is taken care of. This is also true for new topics, posts, status updates, profile & account changes, etc.


As always, we appreciate your patience as ask that you hold on just a little longer.

-NPORA Mod Team

*Updated: 01/17/2022 6:54PM PST

Factory Trans fluid temp Sensor WD21 wiring location?


Recommended Posts

This may have been covered before but I am going to install a Transmission Fluid temp gauge whilst I'm upgrading all my cooling system & trans cooler.
Does anyone know where the factory sensor wiring is located & whether I can tap into this for my gauge? I know the sensor itself is located in the oil pan but was hoping there was better access to it a little closer to the engine bay / dash.

Failing that I'll just do what everyone else has done and run a brass T fitting into the pre-cooler line.

Link to comment
Share on other sites

i haven't done the trans temp upgrade myself but I wouldn't play with the original sensor wiring, given the age of these beasts. You don't want to suddenly be without overdrive or something like that.

Just use the brass T fitting into the cooler line and make sure you cover the wiring with heat resistant tubing then zip tie it away from any fan belts.

While on the subject of gauges a simple volt meter gauge can be hooked up to the back of the cig socket, there's a ground and a positive connection there.

As a bonus, the cig socket only goes on with ignition, thus the gauge will work in the same manner,

  • Like 1
Link to comment
Share on other sites

I don't think the stock temp sensor will help you as all it does is just warn you ehwencthe temp gets hot. In order for you to reuse the wiring you would have to drop your pan and swap out the sensor for the Guage sensor you're using. As mentioned, you're better off in putting a t in the line. There's a writeup somewhere here.

Link to comment
Share on other sites

  • 2 weeks later...

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

Welcome to NPORA Forums


Please register to gain full access to the forum.

Make sure you read the Forum Guidelines and don't forget to post a new intro in the New People Start Here! section, to say hi too everyone.



  • Create New...