CAN Wires Are Incorrectly Connected On Control Harness For Certain Cat® Products {1408, 7606} Caterpillar

Landfill Compactor

826K (S/N: 2321-UP; SET1-UP)

836K (S/N: LWZ231-UP; TWZ1-UP)

Soil Compactor

825K (S/N: 2331-UP; SEE1-UP)

Wheel Dozer

824K (S/N: 2341-UP; RWB1-UP)

834K (S/N: LWY1-UP; TWY1-UP)

Wheel Loader

988K (S/N: LWX1-UP; TWX1-UP)

Introduction

The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.

Problem

Certain circuits are located in the incorrect location on 479-1866 Control Harness As for certain Cat^® products.

Solution

Caterpillar is aware of this problem, but a permanent repair has not been defined. As an interim action, perform the following rework procedure:

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Illustration 1	g06233636
View of control harness assembly (A) "TC-C1" 70-pin connector (1) 479-1866 Control Harness As

1. Locate the 70-pin connector (A) labeled "TC-C1" on 479-1866 Control Harness As (1). Remove the 70-pin connector (A) from the bulkhead.

2. Remove the following circuits from the following pins:

   1. E710-BU(Blue)from pin 57

   2. F712-GN(Green)from pin 50

   3. F711-YL(Yellow)from pin 34

3. Insert the pins that were removed into the following contacts on the 70-pin connector "TC-C1".

   1. E710-BU(Blue)into pin 58

   2. F712-GN(Green)into pin 34

   3. F711-YL(Yellow)into pin 50

4. Re-connect the 70-pin connector (A) to the bulkhead.