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Why doesn't your heater switch from defrost to heat on a 97 wrangler?
Wiki User
∙ 17y ago
you probabally have a vacuum hose disconnected
Wiki User
∙ 17y ago
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What is the switch under the air conditioning controls on your 2003 Jeep Wrangler for?
rear wiper, rear defrost
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2001 dodge ram 1500 ac and heater flow regulator switch does not work. works only on defrost. How to fix?
In a 1997 Jeep Wrangler Where is the relay switch for the heater blower motor?
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You could always take it to the shop You could always take it to the shop
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Replace the blower motor resistor.
Heater in your 2000 jeep wrangler works on blowing upper and lower but not on defrost or any of the other settings --what happened?
Check the operation of the selector switch Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuated motors under dash
Why would the heater switch not change off of defrost position on a 2000 S10?
You have a vacuum line disconnected probably under the hood. The HVAC controls are operated by vacuum and when there is no vacuum it system goes into defrost mode.
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Your heater blows cold in your Lincoln?
COULD BE A BAD HEATER CORE COULD BE A BAD HEATER CORE sounds like the heater control switch needs replacing.if that doesnt fix it, you need new heater core
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What could cause a heater to not function properly in a 1997 Grand Prix?
not function how. No heat, not enough, no fan doesnt' change heat to defrost? All different answers. No heat, not enough, May just be low on coolant. Therostat stuck open. No fan, fuse, ground, switch. Doesn't change heat/defrost? Cable, control, some switches are vacumn operated.
