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Lumina ac compressor will not work unless you run 12 volts directly to it Relay was replaced what could be the problem If its the switch how to you access it and check it?
Wiki User
∙ 17y ago
Find the receiver/dryer. It's the large silver canister usually near the passenger side firewall, under the hood. On the side of the receiver/dryer or somewhere near on the metal part of the AC refrigerant line, you'll see a little switch that screws in. It's the low pressure sensor. Pull the wires and jumper across them. If the AC is on and the engine is running, you may hear the AC clutch engage. If it engages when you jumper the wire, the switch is sensing a low pressure condition. Either add some refrigerant or replace the switch. Most likely, it's just low on refrigerant.
Wiki User
∙ 17y ago
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