Likely to be your AT Temp sending unit which is on the exhaust side of the tranny if I remember correctly.

If it's currently wet where you are or if you've driven through some water recently then it's likely that the cover/boot simply has a crack in it and water is making you get the at temp light. At least that's what was going on w/ mine.

Off Roader
98 Montero with the Winter Package
89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events
96SR (3.15:1 xcase, 35's) gone to the rust gods
96SR Build Up Thread
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