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Discussion Starter #1
1997 E320

old style blower and regulator. possibly original.
AC diagnostics - no codes


1.turn on AC and blower cycles fast to slow, slow to fast every second or so.

2.on the highway, at steady speeds, it blows at a steady rate. about 3 or 4 bars.

3. in the city, back to fast-low cycling.

**is this the regulator or is there another possible issue that anyone can think of?

thank you for the help and input.
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