Keith Browning Posted December 31, 2004 Share Posted December 31, 2004 The Stationary Elevated Idle Control (SEIC) is used to automatically raise the engine idle during PTO engagement or for charge protect control. The PCM also uses this information to raise the automatic transmission line pressure for transmission mounted PTO's that use line pressure to engage. This system may also be wired up to the upfitter switches. The following link will answer any-and-all questions you could possibly have concerning this topic. https://www.fleet.ford.com/truckbbas/non-html/Q108.pdf Quote Link to comment Share on other sites More sharing options...
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