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I have a 2005 freightliner columbia with a/c not working compressor not working has ground problem I need wiring daigram

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i think you may need some gas thats all ,now if this is a 1976 then its using R12 gas which is now not available for sale anymore so a R134 conversion kit needs to obtained and regassed by a professional with a machine,But be warned the R134 gas has different properties to the old R12 gas and as such will not be as cold as the original gas but the system will work and should drop to around 15c compared to 7c with the older gas

Posted on Aug 17, 2011


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