If you look straight down over the driver's-side of the engine bay, you will be looking down on the transmission. There is a wiring harness with a large flat gray connector there on cars with an automatic transmission. On the manual transmission cars, there will be separate wires branching off the wiring loom to sensors.
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Pontiac LeMans was created in 1962.
because of transmission failure
On a 1969 Pontiac LeMans convertible, the "Pontiac" letters are typically spaced evenly across the trunk lid, positioned towards the center. The "LeMans" logo is located just below the Pontiac letters, also centered, with a similar spacing to maintain visual balance. The design emphasizes the Pontiac brand while highlighting the model name.
transmission fluid
Weight on my Pontiac LeMans Sport registration is 3800
The Pontiac LeMans was originally manufactured in 1962. In 1961 the name LeMans was added to the Pontiac Tempest as a top of the line trim package, being called the Tempest LeMans. But it wasn't until 1962 that the LeMans was a vehicle , not just a trim package.
On the firewall to the left of the wiper motor
the round button on the Dash above the radio. It is about an inch in diameter.
I have a 1991 LeMans, all I had to do was go to Autozone.
Any Dexron fluid will work fine.
On the engine end of the upper radiator hose is the location.