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Old 02-23-2008, 05:19 PM
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Re: 2000 astro power window problem

The driver side window switch has the "Express Down" feature. When pushing the switch to lower the window for .5 seconds or longer, the window will automatically go all the way down. When the window reaches the bottom, amperage draw increases and pops the circuit breaker in the window switch. Several things can cause increased resistance while raising the window also, here are a few things to check: Worn bushings in the window motor, worn brushes in the window motor, binding window regulator linkage, glass binding in the tracks, and poor electrical connections, or it may just be a weak circuit breaker in the switch. If there's a problem with any one or more of these things, the circuit breaker will pop while raising the window. The circuit breaker is self-resetting and requires anywhere from a few seconds to a few minutes to reset.
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