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Old 06-27-2004, 09:12 AM   #1
70 RatRocket
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A/C-Heater control question

The old control in my 70 had 2 vac. lines to it. The new ones all have 3 ports to them. Do I have to plug one of them or run new lines or what? Which one do I plug off if thats what I need to do? Thanks, Dave
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Old 06-27-2004, 12:30 PM   #2
neonlarry
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Look here:
http://67-72chevytrucks.com/vboard/s...threadid=66112
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