I'd start by taking 2 of the 3 loads out of the picture.  Try it for a few 
days, that way you can focus in on the bad system.

Pete


 -------------- Original message ----------------------
From: "Tom Harruff" <[EMAIL PROTECTED]>
> Help Listers,
> 
> We are having a nagging electrical problem with my wife's 94 C280 that our 
> Indie 
> cannot seem to find.  The wiring harness was replaced a couple of years ago.
> 
> We are constantly blowing fuse # 26 (7.5 amp) in the front fuse box but there 
> are no codes in the computer.  When that fuse blows we lose a number of 
> electrical functions that are located in the trunk fuse box including 
> sunroof, 
> windows and seats.  The Indie has replaced the relay in that circuit and the 
> control unit (computer) in the trunk at different times but neither 
> replacement 
> has solved the problem.  We have not been able to duplicate the surge that 
> causes the 7.5 amp fuse to blow while testing nor can we reduce it to any of 
> the 
> circuits that fail in the rear fuse box when fuse # 26 fails up front.  All 
> of 
> the rear fuse box circuits that fail have greater value fuses that the failed 
> # 
> 26 7.5 amp fuse up front.
> 
> Anyone have any ideas that might help in fault isolation?  
> Thanks.
> 
> Tom Harruff
> Naples, FL
> 1985 300Dt (Diesel Dolly)
> 1994 C280 (Wife's Car)
> 2000 Sedan Deville (Road Car)
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