[W126 Coupe] heater/AC blower motor failure ??

[Terry Ratliff]

Rick - it is #7 - Pop open the cover to see it.



 

Best Regards,

Terry C. Ratliff

MyMBSEC.com

P.O. Box 4782, Clearwater, Florida 33758-4782

Phone: 727-489-2116

eMail: Terry at MyMBSEC.com

Web site: http://MyMBSEC.com 

 

 

 

-----Original Message-----
From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Rick Granlund
Sent: Wednesday, September 05, 2007 11:37 AM
To: Dick Spellman
Cc: Mercedes Coupes Mailing Lists
Subject: Re: [W126 Coupe] heater/AC blower motor failure ??

 

Hi Dick-

      Thanks for the prompt response.  I have tried to locate the 30 A. 

foil fuse but can' seem find it on my 560SEC. I have attached a scan of 

the diagram of my firewall in that area.  Could you tell me where/what 

to look for? I appreciate it.

Thanks

Rick

 

Dick Spellman wrote:


> Hi Rick:



> 



> Please check the separate 30amp foil fuse in the external holder up near 



> your brake vacuum booster first.  It's bolted just to the inside of the 



> engine firewall.



> 



> Dick


 


> Rick Granlund wrote:



>> HI-



>>   My '89 560SEC had been sitting for almost a month due to an extended 



>> business trip.  When I took the car for a much needed jaunt up the 



>> interstate I noticed that the AC didn't seem to work.  When I returned 



>> home I checked to see if the compressor was turning,,,and it was, but 



>> the fan (blower) was not blowing air...in any mode. i.e. fast, slow or 



>> automatic.  It is not a blown fuse because the blower motor is on the 



>> same circuit as other things that work properly.  When I select 



>> 'economy' the compressor turns off, so the climate control seems to 



>> work properly.  I assume it is either the blower resistor pack or the 



>> blower motor itself.



>>   On these cars, does a resistor pack failure put the blower into 



>> 'fast' as default?  Does anyone have the wiring diagrams and a 



>> troubleshooting procedure?  I think I should check the blower motor 



>> and/or the resistor pack with an outside +12 source to see if they 



>> operate but I don't know where it is or how to get to it.



>>   I would appreciate someone emailing me the procedure for getting at 



>> the blower motor and resistor pack and checking them.



>> Thanks for all your help in advance



>> Rick



>> rickard681 at cox.net



>> '88 300CE (the baby coupe), '89 560SEC



>> The MB Coupes Website!



>> W126 SEC Mailing List



>> Postings remain property of MB Coupes, L.L.C.


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