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Old 12-07-2012, 06:15 PM   #19
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Joined: Apr 2003
Location: Long Beach, CA
Oddometer: 11,887
Originally Posted by vintagerider View Post

Unlikely that the disconnected low voltage injector control cable would ignite fuel.

Not familiar with these particular QD's but all the ones I have seen would not be pushed open by objects once they are fully disconnected. If this flaw does exist then they should be discarded.
Breaking an electrical connection when 15+ watts of power is flowing makes a pretty good spark. Even more so because the connector break collapses the EM field in the injector winding. Think miniature ignition coil.

Regarding the disconnects, the pictures below are the most common QDs out there. The OEM plastic version and the metal version made by the same company, Colder Products. The sealing valve on female side is protected by the connector body. But the male side has an exposed plunger. Press on that white plastic plunger and you'll get fuel in your eye.

(Installation note. When installing the disconnects, locate the female side of the connector on the pressure side. You know, on the 'upstream' side.)


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