Home › Forum › Ask A Member › 1957 Johnson Javelin Solenoid Wiring Question › Reply To: 1957 Johnson Javelin Solenoid Wiring Question
June 29, 2026 at 8:42 pm
#323269
the solenoid B+ to activate comes from the start push button …to work the solenoid’s 2nd small post must reach a ground for current flow and activation.
the ground is obtained by the safety mercury switch which prevents starting in high speed on the throttle. check operation of the mercury switch which is a safety device .. do not bypass it with direct grounding
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