Ignition Start Switch with Key - AM12

Ignition Start Switch with Key – AM12

Genuine replacement ignition/start switch assembly with key for the AM12 1.2T mini excavator (KOOP KD192FE engine). Controls engine start, ignition, and accessory functions.

Specifications

• Voltage: 12V DC
• Contact Type: Multi-position rotary (OFF, ACC, RUN, START)
• Current Rating: 20A continuous, 50A peak (starter circuit)
• Key Style: Standard round/flat head (fits original AM12 keyhole)
• Mounting: Panel or dash-mount bracket (included)
• IP Rating: IP54 (splash-resistant, dust-proof)
• Material: Chrome-plated brass body, stainless steel hardware

Compatibility

Fits: AM12 1.2T mini excavator (KOOP KD192FE engine)

Electrical System: 12V DC (positive ground or negative ground, check existing)

Key Interchangeability: Uses same key spec as original AM12 switch

Function

• OFF: Cuts all power; engine stops
• ACC: Powers accessories (lights, gauges) without starting
• RUN: Engine ignition on; ready for start
• START: Engages starter motor; spring-loaded return to RUN

Installation Notes

• Disconnect battery negative terminal before removal (safety first)
• Note wire positions before removing old switch (color-coded wires help)
• Verify 12V DC supply to switch with multimeter before connecting
• Connect starter and ignition circuits per original wiring diagram
• Mount securely to prevent vibration damage (use rubber bushings)
• Test all switch positions (OFF, ACC, RUN, START) before reconnecting battery
• Verify engine starts reliably from cold

Warranty

• 12-month manufacturer warranty (parts only)
• Does not cover wiring damage or incorrect installation