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Pretty sure Ford doesn’t make these any longer but curious if anybody has one and what they think of it.
Too bad there is no other way to manually control idle speed besides adding a piggyback chip, but even then those just have one high idle setting to 1000 rpms or so if I’m not mistaken. When I drove big trucks they usually had full control in like 25 or 50 rpm increments through the cruise control buttons as long as the parking **** was pulled. Handy for parking over night in cold weather (or hot for that matter) to keep the engine temp up and find the smoothest idle speed.
You can invoke SEIC (Stationary Elevated Idle Control) at a fixed 1,200 RPM using the round wiring harness connector (aka.. "the mystery connector") that is attached to the bottom brace of the knee bolster, even WITHOUT any chip, and even WITHOUT any APCM (Auxiliary Powertrain Control Module) aka AIC.
But as you pointed out, the SEIC solution is not as elegant nor as incrementally adjustable as having the APCM / AIC black box.
Which doesn't have to be black...
The one I have installed above is circa 2000.
In calendar year 2001 (I think for model year 2002) Ford added a ninth button on the left hand side of the control face, which serves as a PTO unit on off switch, so the same black box not only controlled the engine, but also the PTO device.
You can invoke SEIC (Stationary Elevated Idle Control) at a fixed 1,200 RPM using the round wiring harness connector (aka.. "the mystery connector") that is attached to the bottom brace of the knee bolster, even WITHOUT any chip, and even WITHOUT any APCM (Auxiliary Powertrain Control Module) aka AIC.
But as you pointed out, the SEIC solution is not as elegant nor as incrementally adjustable as having the APCM / AIC black box.
Which doesn't have to be black...
The one I have installed above is circa 2000.
In calendar year 2001 (I think for model year 2002) Ford added a ninth button on the left hand side of the control face, which serves as a PTO unit on off switch, so the same black box not only controlled the engine, but also the PTO device.
That unit looks like this:
Thank you for the info, I have always wondered what that plug was for.
You can invoke SEIC (Stationary Elevated Idle Control) at a fixed 1,200 RPM using the round wiring harness connector (aka.. "the mystery connector") that is attached to the bottom brace of the knee bolster, even WITHOUT any chip, and even WITHOUT any APCM (Auxiliary Powertrain Control Module) aka AIC.
How would you do that? It's just a plug pigtail. That would definitely be a new trick to me.
A video on Youtube shows it is not adjustable down below 1200 rpms...kind of a bummer IMO. Full adjustability between low idle (650?) and 1200 would have also been helpful.
Most people wouldn't. Unless you were running a piece of equipment off a PTO or wanting to high-idle the engine to keep it happier while parked for cab heating or cooling for extended periods of time. (Ambulance crews, utility company workers, OTR drivers that sleep in their truck.)
Most people wouldn't. Unless you were running a piece of equipment off a PTO or wanting to high-idle the engine to keep it happier while parked for cab heating or cooling for extended periods of time. (Ambulance crews, utility company workers, OTR drivers that sleep in their truck.)
The only time I remember using it was when jump starting another vehicle, I would engage 'charge protect' to keep the rpm at 1200 and the voltage 14+.
I also occasionally hit the charge protect button just to see what the voltage is, but I would suggest a gauge or other method as a better solution if thats all you need.
My truck already idles up when cold so it was always kind of redundant, even when I lived in AK.
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