...when turn AC off the light turns off....its a 87 cadillac deville...
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1990 Cadillac DeVille Question: turn on AC coolant temp light comes on
when you turn a/c on how long b4 the coolant temp light comes on?
Replyrudygp, April 13, 2012, 10:13Rookie
..about ten minutes
Replyglobalhelper, April 13, 2012, 10:18Master
have you ck'd your coolant level. maybe the car is starting to overheat or the a/c cooling fan is not working properly