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Re: 1999 Buick Regal Auto HVAC Dual Zone Question
Posted to HVAC Forum on 8/3/2007

According to the schematic, the passenger side signal wire is white/black tracer, and the driver side is dark blue. I'm pretty sure I've got the right ones. I did try an actuator, as that was my first thought, but the new one acted the same way (disconnected f... Login to read more.