A New Panel Improves Accessibility Of Fuses And Relays {1417, 1422}
- Off-Highway Truck:
- 769D (S/N: BBB1-UP)
- Quarry Truck:
- 771D (S/N: BCA1-UP)
Description of Change: A new fuse panel is now used. With the previous configuration, the fuses and relays were not located in the same panel. With the new panel, all fuses, circuit breakers and rear cab mounted relays are accessed from a single location. The new panel is accessed from behind the operator's seat.
Adaptable To: The new fuse panel is effective with the following machines:
- 769D (S/N: BBB463-UP)
- 771D (S/N: BCA311-UP)
The illustrations below show the changes to the fuse panel.
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| Illustration 1 | g01107441 |
View of previous fuse panel | |
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| Illustration 2 | g01107440 |
View of new fuse panel (with cover) | |
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| Illustration 3 | g01107439 |
View of new fuse panel (without cover) | |
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| Illustration 4 | g01108872 |
Location of components (new configuration) | |
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| Illustration 5 | g01108873 |
Label for fuse compartment (new configuration) | |
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| Illustration 6 | g01108874 |
Label for cover (new configuration) | |
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| Illustration 7 | g01108875 |
Connector pins for relay (new configuration) | |
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| Illustration 8 | g01108896 |
Schematic for new fuse box (battery connection) | |
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| Illustration 9 | g01108898 |
Schematic for new fuse box (ignition switch connection) | |
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| Caterpillar Part Numbers for New Fuse Panel Block | |
| Part Number | Description |
| 242-1547 | Fuse Block As |
| 113-8490 | Fuse (10-AMPERE) |
| 113-8491 | Fuse (15-AMPERE) |
| 248-2841 | Relay As |
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| Mating Connectors for Harness | |
| Part Number | Wire (Number and Color) |
| 242-6113 | E-YL |
| 242-6115 | F-RD |
| 242-6117 | G-OR |
| 242-6119 | H-BR |
| 173-3139 | A-BK |
| 173-3141 | B-GY |
| 179-1311 | C-GN |
| 179-1312 | D-BU |
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| Miscellaneous Components | |
| Part Number | Description |
| 101-8105 | Connection Socket (16-AWG TO 18-AWG) |
| 173-8914 | Connector Socket (12-AWG TO 14-AWG) |
| 7R-2751 | Connector Plug |
| 7R-2750 | Connector Seal |
| 128-4123 | Seal |
| 173-8933 | Connector Lock |
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