Customer Questions and Answers for Pump Wire Harness (Dishwasher Pumps) by Whirlpool

This pump wire harness connects the dishwasher's control wiring to the pump motors, providing a secure electrical path to the circulation and drain pumps. Replacing a damaged harness helps ensure consistent wash and drain operation. What it does:

• Supplies power via dedicated connectors to the wash (circulation) and drain pumps
• Maintains correct routing and strain relief under the tub
• Can help with symptoms like no wash action, standing water/no drain, or intermittent pump operation
• Visual clues include melted/burned terminals, brittle insulation, or corroded contacts at the pump connectors

• 1 pump wire harness assembly

• Disconnect power at the breaker and turn off water supply before servicing
• Remove the toe-kick/kick plate to access the underside; place a towel for residual water
• Match keyed connectors to each pump; route and secure wiring in original clips to avoid hot/moving parts
• Push connectors fully until latched; verify wires aren't pinched before reassembly and testing