Re: Johnson Electric Starting Junction Box

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amuller


Replies: 1055
Topics: 163
#77478

For what it’s worth, I just picked up from some sale a solenoid that looks exactly like the one in your box. Same sticker, same all. I just checked it and it has the two operating coil terminals isolated from the power terminals. That doesn’t mean yours is the same, but it’s easy to check. There should be continuity between the two small terminals–usually around 4-5 ohms for 12 volts, there should be no continuity to either of the large terminals. But, there are several ways a "4 terminal" solenoid can be made, so to avoid the disasters mentioned above, pay attention….

You don’t have to pay for a "marine" solenoid as long as the coil is isolated from the power terminals. The marine product might be made with more corrosion-resistant materials or it might not.