Solenoid
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Solenoid
I replaced the solenoid on my truck today and am confused.
I drive a '51 Ford F-1 with a '68 Mustang 302 Engine.
The new solenoid has the two side threaded posts and the two front threaded posts. None of the posts are marked.
My old solenoid used the two side posts and used the front left post.
The new solenoid, the mikey mouse instructions say don't use the front left post, use the other one.
Does it matter which way a solenoid gets hooked up? Sounds like a silly questions, but with no markings on the posts, I am second guessing myself.
To confuse things more, on the old solenoid, the firewall bracket was mounted on the bottom of the solenoid, however the new one has the bracket mounted on the top.
Insights??
Thank You.
Tug Hercules
I drive a '51 Ford F-1 with a '68 Mustang 302 Engine.
The new solenoid has the two side threaded posts and the two front threaded posts. None of the posts are marked.
My old solenoid used the two side posts and used the front left post.
The new solenoid, the mikey mouse instructions say don't use the front left post, use the other one.
Does it matter which way a solenoid gets hooked up? Sounds like a silly questions, but with no markings on the posts, I am second guessing myself.
To confuse things more, on the old solenoid, the firewall bracket was mounted on the bottom of the solenoid, however the new one has the bracket mounted on the top.
Insights??
Thank You.
Tug Hercules
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
One of the small terminals is supposed to be marked "S" for starter, to energize the solenoid. The other is supposed to be marked "I" for ignition. It is used to bypass the ballast resistor when that is used. I haven't heard of it being used as Whitetmw says but it could be, it is hot only while cranking.
When in doubt, google it, I found this (below). On the other hand, when I did that search I found at least three incorrect wiring diagrams!
When in doubt, google it, I found this (below). On the other hand, when I did that search I found at least three incorrect wiring diagrams!
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