Thread: AC comp.
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Old 10-05-2001, 09:48 PM
Benzmac Benzmac is offline
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
I would check the "ON" signal to the low pressure switch. This wire comes from the pushbutton, goes through the low pressure switch then goes to the MAS unit. Onces it tells it to energize, the mass unit does the rest.

I have replaced many MAS units for this reason.
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Benzmac:
Donnie Drummonds
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 11 YRS