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Where is the heater control valve located on a 1991 Plymouth Voyager?

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Answer

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Wiki User
09/13/2011

The heater controlvalve is located on the firewall just to left of your powerbrake booster.It will have two hoses going to it,one goes directly into firewall and the othoier hose will be attached to your heater control valve,then spliced to your firewall!

Hope this helps.