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05 Astro AWD
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I had to replace the switch on the accumulator on my '93 Bravada because the compressor wouldn't run until my husband jumpered the connector. That is the low pressure switch, though - and that's the switch I was thinking about when I answered you.

The high pressure switch is on the back of the compressor and I actually don't know if that requires you to recover the refrigerant first. I've never had to replace that one.

03astro_AC.jpg
 
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