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Old 01-03-2012, 04:31 PM   #1
Hazieview
Building Dreams out of Dimes!
 
Join Date: May 2005
Location: Bonham, Tx
Posts: 892
Oil pressure safety switch? Will this one work?

Our truck where built with a safety mechanism called an oil pressure safety switch. I was going to omitt mine but once I understood how it worked I really like the idea.

Instead of just waiting on your gauge to tell you that you suddenly lost oil pressure the switch is designed to shut your engine off before it is damaged by shutting off power to your electric choke when it sees a drop in oil pressure.

The only one I have found that comes close is THIS ONE.

Stops electric fuel pump when engine stops to prevent fuel from continuing through the system in the event of an accident
• Important safety feature when installing universal fuel pump
• Use with any universal in-line electric fuel pump

I am assuming this switch will work. The original switch tapped off a Y where your oil sending unit is located. This switch fed a 3 wire plug.
One wire feeds off of your ignition
Second Wire feeds to the choke light. (idiot light to tell you that you've lost oil psi.)
Last wire feeds to the Choke itself.

From what I understand the plug I listed works the same, except instead of feeding the choke, it feeds an electric fuel pump.

What do you think?
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1981 Chevy short/wide.
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