Question about 1997 Chrysler LHS
Most times this is the blower power module. Located in the duct. That has a variable resistor. The fix is to replace that module. "In your case it is a solid state
module located in the air duct to left of the blower motor under the
dash. You have to remove the lower right under-dash pad to see and
remove it from the duct. It has a five wire plug: two are connected to
the blower motor (another way to find the module), one is a ground
(black), one is a dark green bringing power from the fuse block under
the dash, and one is a control wire from the body computer (red/light
green, goes to pin 4 of the black plug on the body computer located
behind the trim panel cloth next to the passenger's right shin). I would
be inclined to remove the module (2 screws) from the duct and examine
to see if either of the transistors show signs of melted silicone grease
on their bases which would be a sign of a bad transistor, or any
electrolytic capacitors that look wet (a sign of failure)." I would replace the unit as a whole and try and locate the used part from a junkyard or online. Hope this info helps.
Posted on Aug 03, 2010
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Posted on Jan 02, 2017
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