Key Switch Ignition Wiring 54212A 7, 54212A 3, 63468A 1,




Key Switch Ignition Wiring Harness 54212A 7, 54212A 3, 63468A 1,

Comes with 2 keys

4 terminal
3 pin as follows
1-battery pin
2-ignition power pin,
3- starter solenoid crank power pin & terminal number 4 accessory power supply

Supersession Chain
54212A 7
54212A 3
63468A 1  

Used on many MerCruiser inboard engines & Mercury outboard motors in the 1960s, 70s & 80s
This switch was also used for powered trim and tilt motor lockout switch


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  • Model: Key Switch Ignition Wiring Harne
  • Shipping Weight: 0.4kgs
  • Manufactured by: MerCruiser