52 F1 solenoid

[michael a]

Originally Posted by tubman

When I built my engine test stand, I set it up for 12 volt negative ground and bought a appropriate solenoid from NAPA.

About 6 months later, I had a '51 Mercury engine I wanted to test. I put my Optima battery in the battery box and switched a few wires around, and tried the engine; it stared and ran great. A couple of days later, I realized that I had not changed the solenoid. Since it worked with no problem, I just shrugged my shoulders and kept on doin' what I was doin'.

That was about three years ago, and I have had several engines on the stand (both 6 and 12 volt) since, and the solenoid has never missed a beat.

What you have is a constant on solenoid you can ground either of the smaller post and by the same token you can light up either the smaller post to get the solenoid to work and what it is is not a regular starter solenoid but a solenoid that they use 4 heavy amp usage instead of burning up a switch you run the big wires through the solenoid they were great for starters and where they really shine is on things like fire and tow trucks where there is a ton of Lights and you run it off the solenoid and let your switch just energize it

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[Tinker]

Originally Posted by michael a

What you have is a constant on solenoid you can ground either of the smaller post and by the same token you can light up either the smaller post to get the solenoid to work and what it is is not a regular starter solenoid but a solenoid that they use 4 heavy amp usage instead of burning up a switch you run the big wires through the solenoid they were great for starters and where they really shine is on things like fire and tow trucks where there is a ton of Lights and you run it off the solenoid and let your switch just energize it

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Okay I think I get it??