I have had my 1999 Grand Caravan since 2008.
It has the 3.8 liter engine.
In hot weather it keeps repeating the same problem, the electrical fans are not coming on. Modules (2) have been replaced 3 times. They are pretty expensive. I am thinking the problem is not with the modules but with a ground or in the wiring.
Any opinions? Any experiences ?
A friend who had first and second generation Caravans said the charging regulator may be bad and killing the modules.
Does anyone have a diagram of the fan and temperature sensing circuits. If so I would appreciate the info.
Here is a jpeg of one of the modules replaced before. Does anyone know how to test them?