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Blower motor relay location

Tiny
TRANSMICO
  • MEMBER
  • 1998 MAZDA PROTEGE
  • 4 CYL
  • FWD
  • MANUAL
  • 116,000 MILES
Hi,

My switch which has 4 positions for fan control stopped working. The fan does not work no matter what I try. I took the blower fan out and plugged it to a 12V power supply and it works. I checked all the fuses and they are all fine. I checked the blower resistor but I am not 100% sure of the Ohms values, but I got readings between 2-6 ohms at different points. The last thing I want to check is the Blower Relay, but I can't find it, I have a Hanyes manual and checked all the wire color codes and I can't seem to find the relay. Do you have idea of where it might be, or do you think it is the blower resistor that is the problem?

Thank you for all your help.
Transmico.
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Sunday, May 2nd, 2010 AT 5:14 PM

12 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hello,

The blower motor relay is behind the right side of the dash near the blower motor. Here is the wiring diagrams so you can see how the system works with a guide to help you test the relay.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Sunday, May 2nd, 2010 AT 5:39 PM
Tiny
TRANSMICO
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  • 7 POSTS
HI Rasmataz,

Thank you so much for your reply, but where on the left side, near the ingition or the fuse box?

T. :)
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Sunday, May 2nd, 2010 AT 8:32 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I'm using the Mit1 .com and Alldata and still cannot get the exact location-it looks like this


https://www.2carpros.com/forum/automotive_pictures/12900_relay_29.jpg

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Monday, May 3rd, 2010 AT 12:43 AM
Tiny
TRANSMICO
  • MEMBER
  • 7 POSTS
Hi Rasmataz,

thank you for checking. I will check tonight and let you know what I find.

Transmico. :)
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Monday, May 3rd, 2010 AT 6:11 AM
Tiny
TRANSMICO
  • MEMBER
  • 7 POSTS
Hi Rasmataz,

One thing I forgot to ask is the resistor values that I wrote in my original message, does that sound right to you?

Transmico.
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Monday, May 3rd, 2010 AT 6:21 AM
Tiny
TRANSMICO
  • MEMBER
  • 7 POSTS
Hi,

I found what the problem was, it was the BMR relay. It is located right above the clutch pedal. There are actually 2 relays side by side, one for AC/Heater Blower fan and the other for the dash lighting. I want to share this with other users and am posting 2 pictures to show the relay and the location. I temporarily disconnected the Dash relay (TNS relay) until I get a replacement relay. Hope this helps someone else in the future.

T :)

Well I tried to load the images but it did not work. If anyone needs them just reply and I will email them to you.
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Monday, May 3rd, 2010 AT 9:43 PM
Tiny
NUPE1911
  • MEMBER
  • 2 POSTS
I am having the same trouble with my mazda protege 2000. The fan speed does not work for 1, 2, or 3. But works only for speed 4. Can you please email me the picture or upload it so I can see where it is located so I can replace the BMR relay for the a/c?
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Wednesday, June 9th, 2010 AT 8:16 PM
Tiny
TRANSMICO
  • MEMBER
  • 7 POSTS
Sure, just send me your email to mannya1@gmail. Com and I will send it back you later this evening.

T.
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Thursday, June 10th, 2010 AT 9:49 AM
Tiny
TRANSMICO
  • MEMBER
  • 7 POSTS
But I just realized it might not be the same location, I found mine under the driver side dashboard right above the clutch pedal. It's a little hard to see them, there should be 2 relays side by side, the other one is for the dashboard lights. You mazda is a 2000, it might not be the same location, but I will send you the pictures in any case later tonight.

T. :)
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Thursday, June 10th, 2010 AT 9:52 AM
Tiny
NUPE1911
  • MEMBER
  • 2 POSTS
Okay great, email me at phinestnupe@hotmail. Com

Thanks alot Transmico,

Jay
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Thursday, June 10th, 2010 AT 4:44 PM
Tiny
BILRACBOST
  • MEMBER
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How do you replace the Blower Relay, I found it, but now need to know how to replace it

thanks!
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Tuesday, June 29th, 2010 AT 9:53 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
It should pull straight out this guide should help.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Can you please shoot a quick video with your phone so we can see what's going on, that would be great. You can upload it here with your response.

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Thursday, November 14th, 2019 AT 10:13 AM

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