64 Riviera A/C parts

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And the weird questions continue...<P>I'm looking for the A/C vacuum modulator for a 64 Riv. It's the small vacuum switch in the console A/C controls that controls the vacuum to the Suction Throttle Valve. Anyone know where I can get one? I'd love to give you the group and part number, which leads me to my next question...<P>I've got a 58-66 Buick parts catalog. I bought it under the assumption that I would be able to look up parts for my 63 and 64. However, it seems that some parts (e.g. the vacuum modulator) aren't listed for earlier model years. Do I need to buy the books specific to a particular year in order to get comprehensive coverage?<P>Lastly, does anyone sell color-coded vacuum hose? I'd like to replace some of mine, but I don't really want them to be all black.<P>Thanks.