1992 Plymouth Sundance heater only blows defrost

1992 PLYMOUTH SUNDANCE
228,100 MILES • 4 CYL • FWD • MANUAL
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PADRAICMCENNANNIG
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have changed the control mechanism but still only blows defrost .I suspect the main or supply vacoum line is out . Which colour is the supply line and where does it hail from. Thank You. Padraic
Oct 22, 2009 at 8:56 PM
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BLUELIGHTNIN6
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Oct 22, 2009 at 9:14 PM
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