Unknown Fuse

rp23g7

Petty Officer 2nd Class
Joined
Jul 17, 2007
Messages
113
So i was working on my radio today, the old one needed replacing.

I have a 2003 Starcraft C-Star, 17' 3.0/Mercruiser.

I traced the wires etc, the radio circuit is its own closed harnes. It has a power and ground. From the radio it has a glass inline fuse, then it has power and ground straight back to the battery.

There is a pigtail with a blade fuse holder in the circuit in the rear. I looks like from the battery it has a wire from the battery down to the bilge pump and the other wire goes to the radio.

I thought it was for the radio, but i was re routing the wires, with the radio on and unplugged the fuse, radio still played.

Dont know what this is for it was blown and i replaced it, but everything worked last week when we took the boat out.

Anyone know what it may be for? I dont have a wiring diagram for it. I can take a picture if any one wants to look.
 
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