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2005 Dodge Ram 2500 Truck - Page 5 Questions & Answers
Air conditioning compressor won,t turn on fuses and relay good, jumped compressor and it works.
Your A/C system could be low on freon or there could be a failed pressure sensor or thermal sensor preventing the clutch from engaging.The probability of a fuse being the CAUSE of your problem is ZERO -blown fuses do not cause electrical circuit malfunctions, electrical circuit malfunctions cause blown fuses. This may sound like "symantics" or that I am being very trivial. Howerver it is very important to understand this simple "cause and effect" when it comes to electrical system diagnosis. I have seen many people spin their wheels for days and not be able to figure out a simple circuit malfunction because they did not understand this.Yes, there is a relay involved in your A/C clutch circuit. However, this relay is controlled by your Powertrain Control Module (PCM) if the relay is malfunctioning, there should be a fault code for the relay stored in your PCM memory.
Code p0191
You will need to contact the Dodge dealer for a reflash of the computer,
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