What is this

bass · Sep 2, 2018

This sending unit is in the hole where the dip stick should be. The wire on the right runs to the alternator and the thing is leaking

How do I replace it

Just scratching my head

Bass

saltydog · Sep 2, 2018

Any pictures of this thing?

bass · Sep 2, 2018

Photo is sideway
The wire on the right runs to the alternator

farnerjohninpa · Sep 2, 2018

any chance it is an attempt at installing a oil temperature probe???

bass · Sep 2, 2018

don't know..it leaks and a dip stick goes there and its hooked to the alternator

Bob · Sep 2, 2018

Dunno WHY you think that's the dipstick hole, but (no matter) it's NOT.

Someone has installed a "normally open" oil pressure switch replacing a pipe plug in the engine's oil gallery, the purpose of which is to close a circuit once the engine starts and has oil pressure to provide "excite" current to the alternator and (conversely) to open the circuit after engine shutdown to prevent the alternator from draining the battery.

It's one of many ways to do a 12 Volt and/or alternator conversion, and in my little circle of the old tractor world I have set up DOZENS of shystems like that.

They work well.

If you need a part number or two for a replacement pressure switch to replace the leaky one, just ask.

bass · Sep 3, 2018

(reply to post at 21:45:41 09/02/18)

hanks for the reply. ok i will ask what is a part number or what do i ask for at the parts store.

im going to have to replace this one. it leaks bad.

so this would replace the warning light. i put in a warning light on my SC when i converted it to 12v

thanks

bass

bass · Sep 3, 2018

Bob, after reading your post, I took the old sending unit off and took it to town. let the gal at the desk read your post and she knew just where to look. she had one in stock so i got it and its now mounted on the block.

thanks again for the post and help

bass

Bob · Sep 3, 2018

(quoted from post at 09:46:02 09/03/18)
Bob, after reading your post, I took the old sending unit off and took it to town. let the gal at the desk read your post and she knew just where to look. she had one in stock so i got it and its now mounted on the block.

thanks again for the post and help

bass

bass, thanks for posting back and letting us know you figured it out.

I had to look at the shop to see what pressure switches I use for this purpose, and hadn't had a change to post back yet.

ANYHOW, for the record, the oil pressure switches I have been using for this purpose are Standard Ignition PS-126.

What is this

bass

Member

saltydog

Member

bass

Member

farnerjohninpa

New User

bass

Member

Bob

Well-known Member

bass

Member

bass

Member

Bob

Well-known Member

Similar threads