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Old 10-07-2012, 04:59 PM
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Join Date: Oct 2004
Location: Baton Rouge La
Posts: 2,632
124 bad overvoltage situation

I had the srs and abs lights go on and then the srs light go off.... i knew almost immediately that I had a bad voltage regulator.

However about a mile from home.... the car stumbled for a second..and then the blower motor went out..

when i got home and opened the hood ....the little black plastic case that encapsulates the strip fuse was on fire and had melted..... in other words the fuse didn't blow immediately..

now i have put everything back together...but no blower motor..... the strip fuse is back in place a put another fuse in the ovp, just for good measure...

i am guessing the blower motor regulator must have fried.... any thoughts would be appreciated..\

since it was sunday..i did go to the boneyard and picked up a voltage regulator.... resistor...and even the full blower motor..

this is on the 95 e320.....

btw the car is running great... i am going to take it on a test run

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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Old 10-07-2012, 05:41 PM
Registered User
Join Date: Apr 2006
Posts: 672
Had this happen recently on one of the kids Subaru Outback...
He noticed that the ABS light was flickering... next he said that he had no low beam headlamps..
Next morning it would not start...
So off he went to school in my 190D

An investigation started..
Low battery voltage and upon jump starting the car, I was getting 13.5v... all seemed good...
We suspected the battery, so it was checked and one cell was low.

I checked the headlamp bulbs and both were blown....
I was on alert, and something else was going on as they were only a few months old...
This car has daytime running lights... the low beams.

Got a fresh battery, and it was then that it all became clear.
A quick test when the engine was started showed 16v at idle!
At 1500 rpm it was 18v and climbing!
Removed the alternator, and found the charge terminal was loose!

Replaced that and the headlampos and all is well.

I bet the blower motor took the brunt of your overcharge issue and it fried it!

2009 Mercedes ML320 Bluetec
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