Bosch Cable harness main harness, TP3, with wire guide; for dishwashers without water softener 12014146, Replaces 12008386

Main dishwasher cable/wire harness with wire guide. Supplies power and connects the dishwasher pump, controls, and other electrical components. Bosch identifies this part for dishwashers without a water softener.

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✅ Cross Reference Information

Common Symptoms

• Dishwasher will not start despite apparently working controls
• Control buttons or electrical functions do not operate
• Dishwasher may stop operating when a harness connection is intermittent
• Wash, drain, or other powered functions may fail when the corresponding harness wiring is damaged

Check Before Replacing

• Disconnect electrical power at the plug or circuit breaker before inspecting the harness.
• Visually inspect accessible harness sections and connectors for frayed, broken, pinched, chewed, overheated, or corroded wiring.
• Check that harness connectors are fully seated and that terminals are not visibly backed out or damaged.
• Confirm the replacement harness matches Bosch part 12014146 and the dishwasher configuration without a water softener.
• If electrical testing is required, have a qualified technician perform continuity or circuit checks with power disconnected and according to the appliance service documentation.

Pro Tip

Part Details

Key Features

• Genuine Bosch OEM cable harness
• Main harness designation TP3
• Includes wire guide
• Connects dishwasher pump, controls, and other electrical components
• For dishwashers without a water softener
• Replaces previous Bosch part number 12008386

Installation Notes

• Disconnect the dishwasher from electrical power before installation.
• Access the internal wiring and remove the old harness only after documenting connector locations and routing.
• Route and secure the replacement harness in the original path, keeping it clear of moving parts, sharp edges, and heat sources.
• Reconnect each plug firmly and verify that no terminals or wires are pinched before restoring power.
• Follow the model-specific Bosch service documentation; the manufacturer product page does not provide a universal installation manual for this part.

Verified Compatible Models

DWHD440MFP/07, SHE53T55UC/07, SHE53TF6UC/07, SHE53TF6UC/09, SHE863WF6N/01, SHP65T55UC/07, SHP865WD6N/10, SHP865WF5N/01, SHP865YP5N/01, SHPM65W55N/11, SHS63VL5UC/09, SHS843AF5N/01, SHSM63W55N/11, SHVM63W53N/11, SHX65T55UC/09

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.