Put your temp gauge in the line between the trans and the cooler. Dont
forget that most gauge senders must be grounded.

Don Hanson
On Mar 1, 2012 5:24 PM, "John Bange" <jbange@gmail.com> wrote:

> So in the wake of the discussion on cooling of automatic transmission
> fluid, I am once again indulging my instrumentation fetish, this time by
> adding a transmission oil temperature gauge. I want to put the sensor on
> the UNcooled side, but can't find any indication as to which of the two
> ports is the outbound one. Anyone know offhand whether it's the upper or
> lower?
>