Question about 2005 GMC Sierra

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Where is the low side ref connection on a 3500 serra 2005 truck?

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Dont know off hand but u can find it by following the larger ac lione/hose untill u find it remember large line/hose small service port,,,, small line,large service port is the high side ,u dont use high ide to gas up only the small service port large line

Posted on Jun 28, 2009


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