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Cat 303 Mini Battery Light Flashing

sacksled

New Member
Joined
Feb 22, 2013
Messages
2
Location
Ontario
I have a 303 mini Excavator and the batter light keeps flashing. It seems to run fine but it keeps flashing.
 

Permafrost-ed

Well-Known Member
Joined
May 28, 2012
Messages
54
Location
Yukon/B.C. Canada
My 304 does that while glow function is active... once engine is running it goes out. I'd check alt. output. (with engine running) If alt checks out, load test the battery.
 

Effinay

Well-Known Member
Joined
Dec 15, 2011
Messages
103
Location
Pelham, NH
Occupation
Getting organized with my own small business
Mine flashes until the alternator reaches enough rpms to get "excited", then goes out. Loose wire, bad ground, check battery connections? I'm sure you know the drill.....
 

707

Well-Known Member
Joined
Mar 20, 2011
Messages
85
Location
Vancouver, B.C.
Occupation
Heavy Duty Equipment Technician
I would not worry about it if she charges fine. I tested everything on mines once. The battery, battery connections, chassis ground, tested the alternator output with a carbon pile, cleaned up alternator plug and connections, checked at the dash itself but nothing resolved it. I then got the entire electrical schematic and blew it up and made it a 2ft X 2ft followed the dash light and the whole nine yards. Its a very simple machine but that one wire has a lot of connectors it goes through. I finally got sick and tired of it and did not want to tear the machine to find a loose wire so I let it be. Its annoying but I am happy if she starts everyday.
 
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