Description
Restore proper cycle sequencing to your washing machine with the GE WH12X10478 Washer Timer Control Assembly. This genuine OEM component serves as the central brain for controlling the wash actions, managing the timing for fill, agitation, rinse, and spin phases. If your washer stops mid-cycle, fails to advance between stages, or runs for the incorrect duration, this timer is a likely cause. It features a round metal shaft for attaching the control knob and a multi-pin electrical connector for wiring.
Features & Benefits:
- Cycle Control: Manages the timing and sequence of all main wash cycles, including fill, wash, rinse, and spin.
- OEM Reliability: A genuine GE part designed for precise, durable operation, minimizing the risk of premature failure.
- Easy Replacement: Installation is typically straightforward, often requiring basic disassembly of the control panel and wiring transfer.
- Compatibility: Fits a wide variety of GE, Hotpoint, and Kenmore washing machine models.
Common Symptoms That Indicate Replacement:
- The washer stops mid-cycle and will not advance to the next stage.
- The machine runs continuously or skips an entire cycle phase.
- The control knob spins freely or feels mechanically broken.
Compatible Models Include:
- GCAP1000M0WW
- GTWN3000M1WS
- GLWP2000M0WW
- GTWP2005M0CC
- HTAP1000M0WW
Cross-Reference / Replaces:
WH12X10478, AP4929075, 1811500, PS3487294, AH3487294
Compatibility Note:
Always disconnect the washer from electrical power before accessing or replacing any internal electrical components. If replacing the timer, inspect the associated control knob and wiring connections for damage as well.



