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Old 10-03-2016, 08:26 AM   #6
Blue Bowtie
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Re: 99 malibu...temp gauge & AC

In summary, the CTS itself has been replaced but the problem remains. This may be due to open circuits in the wire harness, including connectors, splices within the harness, and wires themselves. The fact that it is intermittent will make it more difficult to locate. A factory service manual with schematics will be very useful in determining all the connectors and areas involved in the CTS circuit.
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