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Re: No heater controls
Found the problem. While the vehicle was running I moved the wires which attach to the vacuum control relays (located under the glove box). I noticed a change in air flow and sound. Closer expamination revealed a number of broken solder joints on the connector on the printed circuit board. Not really sure how this came about. It could have been some of my own doing while struggling with heater cores. Anyway a five minute re-solder job and we're back in business.
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