Question about 1995 Chevrolet Astro

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I have 1995 chevy astro the blower will not work on high ,I have replaced both the speed switch & the blower motor resister. what else should I look for.

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Posted on Jan 02, 2017

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SOURCE: my 1998 astro van blower motor only works on high speed.

No the motor is not bad or going bad, the heater blower motor resister is bad, thats regulates the blower speeds, its located under dash by heater motor 2 screws hold in heater box with a electrical plug to it.

Posted on Feb 17, 2009

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SOURCE: blower motor on my 2003 silverado 2500 only works at high speed I was told it may be the resister If this is true where can I find the resister on my truck THANKS

Chanses are its the resister, it should be located by the heater motor, most are above heater box behind glove box.

Posted on May 16, 2009

  • 33 Answers

SOURCE: why does blower fan speed switch lock-out off and

Sounds like you may have a bad blower motor resistor.  When they go bad, they usually wipe out all speeds except high.  But could knock out just one or two of the speeds.  It should be located near the blower motor.

Posted on Sep 10, 2009

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SOURCE: MY 95 ASTRO VANS BLOWER MOTOR SWITCH DOESN'T WORK

you have a bad blower relay or power going to the relay. The blower relay is located to the right by the motor mounted on the firewall. It will have three larger wires from the relay and two smaller wires. you will need to unplug the connector and check the red wire for +12 volts. If it has voltage then replace relay. if connector looks melted or burnt change connector and relay together.

Posted on Sep 14, 2009

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SOURCE: 2002 chevy astro minivan blower motor wont come on

the connecter is loose remove it and lightly crip the connectors together and reinstall this is a common problem.

Posted on Nov 21, 2009

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2 Answers

I replaced the blower, and resister on my 2012 chevy. impala but blower still don't work. What fuse do I need to check


The fuse box should be under the hood, passenger side. Try the upper box, middle right side Mine is huge, 30 amp

Sep 23, 2016 | 2012 Chevrolet Chevrolet Impala LT

1 Answer

Chevy astro


2 fuses to check, Kevin: in the instrument panel fuse block, 20 amp fuse #12, Htr-A/C. In the under hood fuse block, Frt HVAC fuse, 30 amp.

The new resistor you put in, was it called a "Blower Motor Resistor and Relay Pack" ? It appears there is a relay there with the resistor, but appears to only be used with htr on high speed. However the low speed wiring is also routed through this relay. If it was the Pack you put in, guess that is not an issue.
In the Heater and A/C Control Module is the blower switch. The power in to the control module is a brown wire (from the #12 fuse in instr. panel). With key on should be hot. It appears the brown wire goes to the mode switch and then to the blower switch. Check for power in, and check continuity of both switches. Or check if blower switch has power to it, then check for continuity in it-it should have continuity in all speeds.
If all is good so far, you need to check if blower motor ground is good.
Here can be found a wiring diagram for your Astro. Look for heater controls under the system called "HVAC". Every wiring diagram and TSB for the Astro (or any make, model) can be found here:
http://www.bbbind.com/free_tsb.html
Good luck.

Jan 04, 2014 | Cars & Trucks

1 Answer

91 Astro Van, Heat/AC Blower not working....replaced switch, fuse, motor


well here's your fix next to the blower motor is the resister that controls the different fan speeds the resister burns out but before getting the new resister unplug the resister as the connectors over heat and at time also need replacement

Aug 12, 2012 | Cars & Trucks

1 Answer

1993 Chevy Astro Ext.--blower motor only works on high speed--


high speed blower oper. is seprate i would ck. the switch on the dash

Jun 10, 2012 | Dodge Grand Caravan Cars & Trucks

2 Answers

1996 astro chevy van heater use to work on low and med but wont work at all now.


The blower resistor has gone bad which is why you lost blower speeds.This may have been caused by the blower motor drawing too much power. At this point I would verify that no fuses burned out and then check the pigtail plugs going to the resistor and blower motor to make sure the connectors and connections are not melted or wiring is frayed. These connectors are located in the engine compartment on the passenger side. After checking this and if everything appears ok then the blower motor itself has probably gone bad and needs replaced. I would also replace the blower motor resistor as well. If the connectors appear damaged replace or repair as needed .

Jan 10, 2011 | 1995 Chevrolet Astro

3 Answers

On heat or air cond. the fan will only work on high. There is a small amount of air on each position of the switch and full blast when it gets to the high setting.


I had this problem in a Chevy Astro once. It ended up being the switch. Not sure if that's your fix, but it almost sounds like the switch.

Oct 27, 2009 | 2005 Nissan Sentra

1 Answer

2000 Ford Taurus - A/C fan only works on high; cool air is "available" but not blown as fan won't run, except in "high" position. Any suggestions?


The low speeds(all of them) are distributed threw the fan speed switch to the blower motor resister.The resister is the problem.It is located very near the blower motor.It has two screws mounting it to the blower box.It has a plug in with about 5 to 7 wires.Unplug this plug to the resister.Remove the screws.Pull the resister toward you,it mounts and rest inside of the blower case,this is how it is cooled.Now when you replace the resister,replace the blower motor.Even if the bower motor is running fine, it is pulling to many amps for the resister.It will happen again soon,if you don`t replace the blower motor.If I can help you any more,please let me know.

Aug 31, 2009 | 2000 Ford Taurus

2 Answers

My 1998 astro van blower motor only works on high speed.


No the motor is not bad or going bad, the heater blower motor resister is bad, thats regulates the blower speeds, its located under dash by heater motor 2 screws hold in heater box with a electrical plug to it.

Feb 17, 2009 | 1998 Chevrolet Astro

1 Answer

Blower motor only works on high


If the resistors have been replaced correctly then either the speed switch or the wiring to and from the switch is open. I would bet on the switch.

Dec 27, 2008 | 1994 Chevrolet Astro

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