Question about 1998 Oldsmobile Intrigue
My A/C started to make noise and stopped working. I replaced the blower motor and unit started working without noise, but will not blow on high setting. What can I do to fix this issue?
Could be the high speed blower relay. On most models the lower speeds are controlled by the resistor and high is powered by a relay.
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Posted on Jan 02, 2017
SOURCE: Heater/AC fan only works on High
Bencar1 is right. The problem is probably the resistor. But it also could be a burned terminal in the 4 prong plug that attaches to the resistor. There will be burn marks on one of the prongs of the resistor if this is it. Look for the obvious. Good luck.
Posted on Nov 11, 2008
SOURCE: heater motor
Have you confirmed there are no blown fuses or tripped circuit breakers?
If you hit the blower box a few times does the motor come on? (If yes, there's a bad connection somewhere).
Have you ruled out a defective head unit?
Have you ruled a defective ballast resistor or resistor block?
Posted on Dec 30, 2008
sounds to me like you have a resistance switch problem. The old cars had springs, i. e. resistors to control the speed of the motor. newer vehicles have electronic controlers, they can be very sensitive to corosion. first check the plug the replace the switch.
Posted on Oct 31, 2009
SOURCE: heater blower motor starts off
1) Your blower is getting bad, the motor starts out normal, as it get going the blower motor becomes hot and shut down 2) You have debris stuck in the blower fan, you need to locate the blower and clean the airway if it is clogged. 3) Checking your relay, as relay could be bad and not providing the voltage to it.
Posted on Jan 31, 2011
Follow the blower wires back to the resistor, which is screwed into the heater box. Remove the resistor and check for heat damage and continuity. Most likely it is burned up. The assembly also contains a relay, which is usually only used for high speed. The assembly is $32 at autozone.See pic below.
Posted on Jun 19, 2011
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