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I have a 1995 Ford Contour that the blower is not working for the heater or the A/C. It runs at tghe low speed when you turn it on, however when you try to turn it up (the fan speed) nothing happens. I used to be able to hit the nob on the dash and it would sometimes work for spreeds two and three but not four, and now that does not work
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By A/C an heater not working , you mean the blower motor isn't running an pushing air through ducts an vents . Before replacing parts did you look at a diagnostic flow chart an check power an ground to the blower motor . We test not guess ! Videos on youtube for testing blower motor circuits . Blower Motor Problems Auto Repair Help
the fan may have went out. what your feeling is air coming in as you drive. ford trick for fresh air lol. the fan needs to be tested to see if it has stopped working
If you aren't getting any airflow out of the heater, your blower motor had a sticky bearing and overheated until it blew its thermal fuse, the motor resistor burned out, or something fried in the heater-A/C controller.
I've never looked under the hood of a Contour, but many cars have the blower motor mounted on the engine side of the firewall, and some of these have the connector out there also. Otherwise, you'll have to crawl under the dash. Once you find the blower connector, you can test the system before you buy parts. First, unplug the blower connector, then (with the car turned on and set so the heater could run if it was working) check the voltage* between the connector pins and ground (not the motor half of the connector!). If you get voltage (which pin has voltage will depend on fan speed settings), then check the motor and any resistors mounted with it. If you don't, look for a separate blower motor resistor, then check the control if necessary.
*Use a voltmeter (preferred) or a small 12 V lightbulb. The
"screwdriver spark draw test" used by some amateurs is potentially hazardous and destructive,
especially if there are solid-state controllers in the circuit.
High and low speed on demand is delivered by the same blower. Blower is controlled by the blower regulator. When a regulator is bad, a variable speed is not available. Replace the blower regulator will take care of the problem. Good luck.
Having to increase speed to get any heat means that your coolant may be low, as far as only 1 speed, the switch for the heater may not be working properly
on blowermotor ground ground wire to a go metal ground and see if motor runs if it does then you have a bad ground. also try tapping on motor if it turns on then replace motor,hope this helps.
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