ENGINE AR 1229788 - Caterpillar

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Use a chisel and hammer to remove the weld plate.
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Substep 2 is for machines equipped with an electric coupler only
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Substeps 3 and 4 are for machines equipped with an electric coupler kit only
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Each wire should connect to a specific pin, refer to Table 3.
Table 3
LK-C1 Pin Configuration
Pin Wire Number Wire Color
1 P769–LK1 Yellow
2 P770–LK2 White
3 A426–LK3 Blue
4(1) N/A N/A
(1) Plug with 8T-8737 Seal Plug (4)
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Only for machines equipped with an electric coupler kit. Refer to Table4 for correct wire/pin connections
Table 4
Coupler Harness
CL-C2 Pin Configuration
Pin Wire Number Wire Color
1 F519–CL2 Orange
2 F518–CL1 Yellow
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Only perform once for machines without an electric coupler kit
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Only perform once for machines without an electric coupler kit
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Substeps 2 through 4 are for machines equipped with an electric coupler kit only
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