AIC ?'s
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Laughing Gas
Joined: Feb 2009
Posts: 921
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From: Denver CO
AIC ?'s
Do the OBS trucks have the factory connections for the AIC and if so where? I have somebody at work here who has one and is willing to give it to me for around $75. Anyrate I Hvaent been feeling very good for the last few days and dont remeber ever seeing a connector like thaat under the dash and dont feeel good enough to lay on the floor in the dark in the cold right now so I thought Id ask you guys instead.
Hotshot
Joined: Oct 2003
Posts: 17,799
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From: Ashland City, TN
I'm not really 100% sure what the AIC does, i'm guessing its for idle purposes, but I have a high idle tune on my chip, not sure if that is something I'd even want.
I'm all for gadgets though.
I'm all for gadgets though.
Posting Guru
Joined: Jan 2006
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From: Elkhorn, WI
i may be wrong so dont quote me but im pretty sure f350's do because they have a pto on the t-case. i assume wiring would be the same though. even if the f250's dont it should relatively easy to wire up. i think they go off the throttle position sensor
Elder User
Joined: Aug 2005
Posts: 507
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From: NW Wisc
The AIC connector will be in 1 of 2 places, originally they were installed over by the E-Brake pedal, if you look right above along the fender wall you will see a wire with a round plug. Mine being a 96 F250 it was located directly above the OBD2 port dead center under the dash, was wrapped up with a bunch of other wires, plugged it in, hit the E-Brake (has to be on to work) and walla! Instant throttle!!
Hotshot
Joined: Jul 2003
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From: Newport, WA
Yes your truck should have the plug under the dash for the AIC. I've never heard of it being by the E-brake, I've always heard it was above the trans tunnel hump on an OBS. I too have a high idle tune on my chip, but I like having the AIC for RPM and voltage read-out, plus it gives me adjustability if I want the truck to idle at other than stock or 1200rpm. I wired a toggle switch to mine so that I don't have to set the e-brake to use the AIC as well.
More Turbo
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Hotshot
Joined: Jul 2003
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From: Newport, WA
It allows you to turn up the idle for faster warm-ups, jump starting, etc. It also gives digital read-out of RPM (on 2 of the 3 models) and battery voltage. There are 3 models-
basic with no LCD screen
LCD screen version- displays RPM and batt voltage
PTO version- has separate controls for running a PTO if your truck is so equipped
AIC, aka APCM, module instruction manual
basic with no LCD screen
LCD screen version- displays RPM and batt voltage
PTO version- has separate controls for running a PTO if your truck is so equipped
AIC, aka APCM, module instruction manual
Posting Guru
Joined: Mar 2008
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From: Billerica, MA
X3 on over the tranny hump. My truck is wired for it and it didnt come with one so I'm sure that yours would be to. IIRC its a round plug with an orange rubber gasket that is dead center under the dash.
Hotshot
Joined: Jul 2003
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From: Newport, WA
Plug circled in red, AIC connected
That's actually an OBS bracket, it still works for the SD I just had to flip it around. I now have a lighted rocker switch in the bracket to the right of the AIC that fools the PCM into thinking the e-brake is set so that I don't have to set the e-brake to use the AIC.
Elder User
Joined: Aug 2005
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From: NW Wisc
Yes, it's a round plug with 4 wires. Here's where it is in my SD:
Plug circled in red, AIC connected
That's actually an OBS bracket, it still works for the SD I just had to flip it around. I now have a lighted rocker switch in the bracket to the right of the AIC that fools the PCM into thinking the e-brake is set so that I don't have to set the e-brake to use the AIC.
Plug circled in red, AIC connected
That's actually an OBS bracket, it still works for the SD I just had to flip it around. I now have a lighted rocker switch in the bracket to the right of the AIC that fools the PCM into thinking the e-brake is set so that I don't have to set the e-brake to use the AIC.
Hotshot
Joined: Jul 2003
Posts: 12,177
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From: Newport, WA
E-brake must be set
Trans must be in park (or neutral for a stick shift)
Can't have your foot on the brake or gas pedal
There is no way having the e-brake bypassed is going to cause me to crash into another rig.
I don't know for sure on the OBS, but on the SD the e-brake sensor that trips the light is a hoky little piece of crap, and all it takes is a little dust to make it not work. So I pulled the wire off (its just a single wire that goes to ground) and ran it through the switch so that when I flip the switch, it ground the circuit and the "BRAKE" light on the dash comes on.
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Laughing Gas
Joined: Feb 2009
Posts: 921
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From: Denver CO
Thanks guys thats what I needed to know, I like the grounding wire switch idea, that way I could leave the ebrake off. works ideally if you are running a winch turn on the AIC set it on charge protect and let the winch pull you out, without killing the batteries.
Posting Guru
Joined: Nov 2008
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From: Lakewood, Colorado
I got a perfect winch for this.... 8000 pound winch for sale. I want AIC too.