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Discussion Starter · #1 ·
my 1975 service manual is missing the electrical pages numbered
8-109,8-110,8-111,8-112 and this is some of the engine wiring! what i need to know is about wiring in a low oil pressuer shut down i do have the mopar one that
kills the engine at 15 psi or less but how do i wire it up?
75 r/c 68 318

thank you
 

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I would say all you have to do is wire it so that it opens the coil +. However, there's 1 little nitpicky thing that will cause you a lot of hassle if you overlook it... The engine will have less than 15psi for a few seconds whenever you start it up, which will cause you to have no spark because the switch is open. You will have to wire in some sort of timed override that bypasses the switch for say 5-10 seconds whenever the key is turned to Start. The other way is to put a pushbutton on the dash that you hold down until the pressure switch closes. I would also put a light on the dash that comes on when the switch opens, so you'll know why it dies (if it ever does).

Matt {peace}
 
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