Quote:
Originally Posted by ps2cho
...Also, the aux fan does not turn on low when the A/C is engaged. Is this normal or should it turn on immediately? The aux fan does work though as I can remove the connector from the blue 2 prong temp sensor and it kicks on HIGH speed. Just bridged the connectors that plug into the aux fan sensor on the drier and the fans turned on. Safe to say it is that sensor that is dead?
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No, I think it's a much better bet that it's low refrigerant charge than faulty pressure switch. Your other A/C symptoms are consistent with low charge. You know that the fan works, as do the relays, fuses and the serial resistor that steps fan speed down. A proper charge could very likely fix both your cooling and fan problems. You said "fans." Have you re-fitted your '88 with dual aux fans?