Join Date: Dec 2008
Location: Tyler, TX
Thanked 407 Times in 347 Posts
You want the TFT sensor in the COOLER OUT line leading from the trans to the ATF cooler for the most accurate readings of trans operating temps.
You can also get a kit to install a port in the pan and screw it in the get sump temp, but that is generally somewhat cooler than actual operating temp.
'93 F-250 HD, 7.3L IDI, 5spd - FARM TRUCK
I Support: Trailer brakes an every axle over the towing vehicle's GVW; CDLs for RVers; Safety inspections for ALL vehicles and 6 axle trucks (97K GVW proposal).
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote - Benjamin Franklin
I vote for LIBERTY!