Thread: Blowing #5 Fuse
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Old 06-28-2008, 02:35 PM
brandlj brandlj is offline
1986 300sdl 1985 380se
 
Join Date: Aug 2005
Location: West Monroe LA
Posts: 484
number 5 fuse controls your ccu, aspirator blower motor,aux coolant pump,switchover valve for the climate control,A/C compressor control unit,starter lockout and backup light switch,aux fan pre resistor relay.

If I was a betting man, I would pick the aux coolant pump first. i bet it is seized.Unplug it, put in a new fuse and try it again.

John

The reason that the air is coming out the defrost only when the fuse blow is because that is the default setting for the CCU
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John
1986 300sdl
1985 380se
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