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Mpierick Mpierick is offline
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Join Date: Jan 2012
Location: Weddington, North Carolina
Posts: 130
Garage
I have evacuated the system. And I put a vacuum on and it held pressure. I then tried to put some freon in. I noticed the clutch would not engage. That is when I started the voltage test.

Where is the HVAC board relay?

Thanks. Mike P
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1988 Porsche 928 S4 (rescue)
Old 09-01-2013, 04:28 PM
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