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Old 07-29-2006, 03:34 AM
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Join Date: Aug 2005
Posts: 28
Metal square Spring device glowing red HOTT

Next to the blower motor is getting red hot and burned the inside of the cover .

Now the Blower motor does not work...

The spring device only gets red hot when I turn on the AC...NOT THE HEAT..

When I listen through the vents when I try the blower motor I hear a very faint fan noise but nothing like b-4 when it blew strong

The blower motor was working about a week ago and is not locked up or anything...


Last edited by 1983500SL; 07-29-2006 at 05:44 AM.
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Old 07-29-2006, 06:50 AM
kbannister's Avatar
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Join Date: Mar 2006
Location: North East, MD
Posts: 113
It is the resistor for the speeds on your blower. Either your blower is messed up drawing too much juice or the resistor is shot. Try replacing the resistor, it will most likely fix your problem
I really gets fun when they all don't run

84 500SL
99 Jeep XJ
93 Jeep YJ
03 Custom Softail
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Old 07-29-2006, 12:54 PM
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Join Date: Aug 2005
Posts: 28
Could it be something else...

I put in a new resistor and blower motor and still the same problem....
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Old 07-30-2006, 08:54 AM
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Join Date: Apr 2000
Location: Falls Church, VA
Posts: 5,316
Do you have full climate control, or the two temp wheels and the blower switch?

Is it factory AC or aftermarket?

Is it still doing it only on AC?
Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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Old 07-30-2006, 08:45 PM
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Join Date: Aug 2005
Posts: 28
I have 2 climate control wheels...

No fan when I turn on heat or ac but when i turn on ac the relay gets glowing hot
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Old 07-30-2006, 08:46 PM
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Join Date: Aug 2005
Posts: 28
factory unit
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