TURBOCHARGER GP 2224753 - Caterpillar

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Typical arrangement (1) Interconnecting cable (2) Auxiliary control panel (3) Connection to engine wiring harness (4) "Y" harness (5) Main control panel
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(6) Location of the connection for the engine wiring harness The electrical system contains the following options:
Insulated ground
Various lengths of extension harnesses
"Y" harness for multiple connections to the control panel
12 V or 24 V operation
Main control panels and auxiliary control panelsEngine Wiring Harness
The engine wiring harness connects the components of the electrical system to a waterproof connector.Naturally Aspirated 3054B Marine Engine
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Schematic for the naturally aspirated 3054B Marine engineTurbocharged 3054 Marine Engine
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Schematic for the turbocharged 3054 Marine engineNaturally Aspirated 3056 Marine Engine and Turbocharged Aftercooled 3056 Marine Engine
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Schematic for the 3056 Marine engineFuses
Note: Fuses protect the electrical system against short circuits. The risk of a short circuit is highest when the electrical system is being connected.
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Typical arrangementRefer to Table 1 for a description of each fuse.
Table 1
Fuses for the 3054, 3054B and 3056 Marine Engines    
Location     3054 Marine Engine and the 3054B Marine Engine     3056 Marine Engine    
1     40 amp fuse for the starting motor     40 amp fuse for the starting motor    
2     Empty     25 amp fuse for the air inlet heater (if equipped)    
3     10 amp fuse for the control panel     25 amp fuse for the stop button    
4     25 amp fuse for the negative battery cable     10 amp fuse for the control panel    
5     Starting motor connection     Starting motor connection    The fuses for the 3054B Marine engine and the 3054 Marine engine are located above the starter motor on the left rear side of the engine. The fuses for the 3056 Marine engine are located above the starter motor on the right rear side of the engine.
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Cutaway view of the typical location for the additional fuse on the 3056 Marine engine (6) Negative fuse (7) Belt guardAn additional fuse is located at the front of the engine behind the belt guard on the 3056 Marine engine. The fuse protects the engine wiring from damage. Do not connect the positive battery terminal to the cylinder block. Damage to the electrical system can be the result. The additional fuse is equipped on the 3056 Marine engine only.Extension Harnesses
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(1) Extension harness
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(2) "Y" harnessExtension cables are needed to join the engine wiring harness to the control panels. The cables come in different lengths."Y" harnesses are available. If necessary, more than one "Y" harness may be used in order to connect several control panels.Control Panels
Two control panels are available. Refer to Illustration 10 for the main control panel. Refer to Illustration 11 for the dimensions of the opening that is