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  #1  
Old 12-04-2010, 04:59 PM
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Location: Mount Pleasant, SC
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91 300E: No power to Blower Motor

Blower motor works fine. Unplugged three prong connector on firewall just behind brake master cylinder, and I am getting no power at the plug coming from the car. Not sure what or where to check next...

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05 E320
86 930
05 Range Rover HSE
95 Range Rover SWB
63 Series IIa
Several boring BMW's for this kids....
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  #2  
Old 12-04-2010, 05:00 PM
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Location: Baton Rouge La
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have you checked the aluminum in line fuse?

it's inside a small oblong black plastic box
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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


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  #3  
Old 12-04-2010, 06:23 PM
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Quote:
Originally Posted by lee polowczuk View Post
have you checked the aluminum in line fuse?

it's inside a small oblong black plastic box
Where is this located? picture???
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Tim

05 E320
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05 Range Rover HSE
95 Range Rover SWB
63 Series IIa
Several boring BMW's for this kids....
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  #4  
Old 12-04-2010, 06:42 PM
Benz Mondi
 
Join Date: Nov 2006
Location: Sacramento area
Posts: 308
the Fuse Coffin

The blower fuse in in a small back, coffin shaped plastic container that's about a foot in front of the master brake cylinder (toward the front) along engine bay firewall, next to the strut tower. Squeeze to open upwards and you should see a small aluminum strip that is hopefully broken. It's a $2 part, get some spares, that only take two screws to install. While you're at it, clean the contacts and the both the top and underside of the leads. To be safe, you can first disconnect the ground at the battery.

Let us know what happened.

Good luck.
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03 CLK430 Cabrio 211K Pweter Silver/ Oyster Leather
90 300SEL 214k Pearl Black/ Alto Grey/Black Leather

Prior: 85 190E, 88 300TE, 89 300TE, 90 300E 2.6, 90 300TE, 92 300E 2.6, 91 and 93 300SL, 87 Ferrari Mondial Cabrio
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  #5  
Old 12-04-2010, 07:04 PM
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Quote:
Originally Posted by Benz Mondi View Post
The blower fuse in in a small back, coffin shaped plastic container that's about a foot in front of the master brake cylinder (toward the front) along engine bay firewall, next to the strut tower. Squeeze to open upwards and you should see a small aluminum strip that is hopefully broken. It's a $2 part, get some spares, that only take two screws to install. While you're at it, clean the contacts and the both the top and underside of the leads. To be safe, you can first disconnect the ground at the battery.

Let us know what happened.

Good luck.
Thanks, that fuse is blown. 1) What causes this to blow? 2) Can I jump with a wire just to see of the fan works? 3) I assume I can wire a 30AMP fuse until I can get a replacement???
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Tim

05 E320
86 930
05 Range Rover HSE
95 Range Rover SWB
63 Series IIa
Several boring BMW's for this kids....
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  #6  
Old 12-04-2010, 07:19 PM
Benz Mondi
 
Join Date: Nov 2006
Location: Sacramento area
Posts: 308
temp fix for strip fuse

It just developes a hairline crack with age and just goes one day. Once I found this out, I change it when I see that the shine leaves the aluminum. It's so cheap to replace, why not. It takes a while for it to change. Unless there's a problem with the blower wiring, this is the number one cause of sudden failure.

Temp fix you describe will work until you can get the correct fuse. Bridging it for a moment to test the fan should work. Be warned though, I'm an owner like you and not a mechanic...
though the other night, I did stay at a Holiday Inn Express...

Al
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03 CLK430 Cabrio 211K Pweter Silver/ Oyster Leather
90 300SEL 214k Pearl Black/ Alto Grey/Black Leather

Prior: 85 190E, 88 300TE, 89 300TE, 90 300E 2.6, 90 300TE, 92 300E 2.6, 91 and 93 300SL, 87 Ferrari Mondial Cabrio
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  #7  
Old 12-04-2010, 07:24 PM
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Join Date: Dec 2009
Location: Mount Pleasant, SC
Posts: 103
Quote:
Originally Posted by Benz Mondi View Post
It just developes a hairline crack with age and just goes one day. Once I found this out, I change it when I see that the shine leaves the aluminum. It's so cheap to replace, why not. It takes a while for it to change. Unless there's a problem with the blower wiring, this is the number one cause of sudden failure.

Temp fix you describe will work until you can get the correct fuse. Bridging it for a moment to test the fan should work. Be warned though, I'm an owner like you and not a mechanic...
though the other night, I did stay at a Holiday Inn Express...

Al
Thanks again. I pulled a 30amp fuse from an old Land Rover that actually screws into place somewhat similar, works fine. I'll order a new one. Thanks again for the help....

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05 E320
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95 Range Rover SWB
63 Series IIa
Several boring BMW's for this kids....
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